The American Museum of Natural History is one of the world's preeminent scientific and cultural institutions. This is not a monitored account.

New York City
Who needs a blue check when you have a BLUE WHALE?
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With mutual respect for the work & goals of our individual organizations, we jointly agreed that the Museum is not the optimal location for the Brazilian-Am. Chamber of Commerce gala dinner. This traditional event will go forward at another location on the original date & time.
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Next time you eat guacamole, thank a giant ground sloth: the Lestodon! These 15-ft animals ate avocado whole, traveled, and then pooped, depositing the pits in new places. Most mammals couldn't handle large seeds, so it was up to megafauna to disperse (and fertilize!) avocados.
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Com respeito mútuo pelo trabalho e pelos objetivos de nossas organizações individuais, concordamos em conjunto que o Museu não é o local ideal para o jantar de gala da Câmara de Comércio Brasil-EUA. Este evento tradicional terá lugar em outro local na data e hora originais.
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Replying to @rachsyme
Empty. But not alone.
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The external, private event at which the current President of Brazil is to be honored was booked at the Museum before the honoree was secured. We are deeply concerned, and we are exploring our options.
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A wombat’s main defense is a tough backside: its rump is mostly cartilage, resistant to bites. A group of #wombats is called a wisdom.
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Happy World Whale Day! To mark the occasion, we’re sharing the life-size blue whale model from the Hall of Ocean Life. The blue whale is the biggest animal ever known to have existed. Do you remember the first time you stood under the blue whale?🐋
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The blunthead slug snake isn't like other snakes. This nocturnal reptile, which primarily feeds on slugs and snails, eats using a technique called mandibular sawing. To slice off the indigestible parts of prey, this species slides its jaws back and forth like a saw!
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The Forest Owlet was thought to be extinct until it was rediscovered in 1997—113 years after the last recorded sighting! It has a distinct rectangular head with bright yellow eyes and strong talons for catching large prey. It inhabits patches of forests across central India.
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(Confirming that birds are real—and they are dinosaurs.)
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Have you ever heard of a snake with horns? Well, meet the horned viper. Its “horns” are actually elongated scales. This venomous snake lives in parts of northern Africa, where it’s commonly found between Egypt and Morocco.
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🐋 We've received many questions about the blue whale's bandage: It's real. It was installed yesterday by Trenton from the Exhibition department! It's 6 feet long & 2 feet wide. Come see it for yourself! Register for a vaccine today: vaccinefinder.nyc.gov/ #NYCVaccineForAll
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Happy birthday to @maejemison, born #OTD in 1956! In 1992, Dr. Jemison became the first woman of color to fly in space, as the science mission specialist on an eight-day joint U.S.-Japan mission aboard the space shuttle Endeavor.🚀 [📸: NASA]
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Happy birthday to Marie Sklodowska-Curie, born #OTD in 1867 in Warsaw, Poland. A few of her many accomplishments? In 1903, she became the first woman to win a Nobel Prize, for the discovery of radium & polonium. In 1911 she won another for producing radium as a pure metal.

ALT Black-and-white portrait photograph of Marie Curie looking head on at the camera with her head slightly leaning into her left hand. Only the upper-half of her body is in frame. She appears to be sitting up, has a serious facial expression, her hair is up, and she is wearing a black blouse. The background is animated so that the color changes from green to orange.

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Human activity is warming our planet. Today, young people & adults around the world are marching to bring focus to the vital issue of climate change. We support the students and all New Yorkers who are marching today for a better tomorrow. #ClimateStrike 🌎
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Exhibit of the Day: the Diving Birds diorama in the Hall of Ocean Life! It depicts a scene from Newfoundland’s Grand Banks—nicknamed "the seabird crossroads of the Atlantic"—which teems with marine life that attracts ~35 million seabirds each year.
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#DYK? The Grand Canyon's oldest rock layer formed long before North America took its current shape—even before multicellular life emerged. It is one of the best visible records of geological history on Earth. Have you visited this natural marvel?
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Flamingos aren’t the only pink birds in town 💅🏻 Meet The Roseate Spoonbill! These birds get their spectacular color from a diet of carotenoid-rich crustaceans. This social species travels in flocks, nesting alongside other water birds like ibises & storks.
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That's not a dinosaur, that's the rhinoceros iguana! Its common name refers to the horns on its head, which are used in combat & display behavior like head bobbing. This large lizard, which can grow to ~4 ft (1.2 m) long, is found only on the Caribbean island Hispaniola.
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This #InternationalTigerDay, we’re remembering the Caspian tiger. This large tiger subspecies weighed ~530 lbs (240 kg). It was driven to extinction by the same factors threatening surviving tigers—human activity, including deforestation and overhunting.
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If your favorite color is violet, this might be your new favorite animal: Violet-backed Starling! It lives in open woodland and riverine habitats in parts of Africa and the Arabian Peninsula. It mainly snacks on fruits and seeds, but will also munch on the occasional insect.
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You won’t find any competitive sports in today's Exhibit of the Day, but you will spot some medal-worthy trees! The Olympic Rain Forest Diorama depicts a scene in Olympic National Park, which is dominated by mighty evergreens that grow ~300 ft (91 m) tall & live for 600+ years!
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Today is the winter solstice, the shortest day of the year in the Northern Hemisphere & the first day of winter! What causes our planet’s shift in seasons? Its tilt. Today, Earth’s Northern Hemisphere is at its most-tilted away from the Sun. [📸: Jon Bunting]
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Say “hi” to the Monk Parakeet! Populations of this Argentine bird are found in places as far north as NY, Boston, & Chicago. How does it survive in colder climates? It lives in a colony that builds a well-insulated nest structure that keeps members warm during harsh winters.
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It's #ManateeAppreciationDay! Did you know manatees are natural lawn mowers that help maintain healthy marine ecosystems by keeping aquatic vegetation in check? Sometimes referred to as “sea cows,” they are actually more closely related to elephants. #Respect the manatee!
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Happy birthday to Albert Einstein, born #OTD in 1879! He reinterpreted the inner workings of nature, the very essence of light, time, energy, & gravity. From his Special Theory of Relativity to the basics of time travel, his insights changed the way we look at the universe.⚛️

ALT Black and white GIF of Albert Einstein taking off his glasses. He seems to be sitting down; only the upper-half of his body is in frame. He is facing the right of the frame. He has voluminous white hair that goes to the back of his neck; he has a mustache. He is wearing a sweater vest.

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Say "hi" to the Puerto Rican Tody! The vibrant bird lives on its namesake island, where it lives in damp and humid forests. It’s an insectivorous critter that catches flies while in flight or by sweeping prey off leaves.
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Small but mighty, the Ruby-throated Hummingbird can migrate far distances, from Canada to Costa Rica. It’s even been known to fly over the Gulf of Mexico in a single shot! The fast-fluttering bird can beat its wings more than 50 times a second.
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Behold the rainbow eucalyptus! What gives it such a spectrum of color? Bark starts out in shades of green, but changes to a range of purple, red, & orange as it peels and ages. Variety of color may help the tree absorb a wider range of light to aid in photosynthesis.
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A Suriname toad mother carries her young embedded in the skin of her back. After mating, the eggs sink gradually into the female's back, & a skin pad forms over the eggs. The froglets emerge over a period of days, thrusting their head & forelegs out first, then struggling free.
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Have you ever seen the granulate shellback crab? Unlike hermit crabs—which hide inside their chosen shells—this unusual-looking crustacean uses its posterior legs to hold a shell onto its back, protecting it from foes.
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Celebrate the Summer Games with the acrobatic kinkajou! Known as the “honey bear,” this arboreal critter hangs upside-down while feeding, using its prehensile tail and hind legs to reach fruit and honey. It inhabits parts of Mexico, Central America, & South America.
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This diorama depicts a time when bison roamed the Great Plains by the millions. They were nearly exterminated for hides, sport, & to overpower Native Americans who relied on bison for food/livelihood. Today, this icon is numerous again—though mostly on ranches. #NationalBisonDay
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Here’s a giant marine worm you’ll never forget: Eunice aphroditois. It lurks beneath the ocean floor, growing as much as 10-20 ft (3-6 m) long. It has 5 antennae that it sticks out above the sand to sense for & lure fish. It ambushes at lightning speed & pulls prey down below.
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Sunday mood? Meet the world’s smallest anteater: the pygmy anteater! This tiny arboreal critter lives in the Amazon rainforest and only grows up ~17.7 in (45 cm) in length, much of it tail. It’s seldom seen, as it’s nocturnal, and spends most of its time in the canopy.💤
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Meet the Agami Heron! You'd think that its ornate plumage would make it easy to spot, but it’s known to keep very still for long periods of time as it waits for fish to come near, making it difficult to find in its wetland habitats in C. & S. America. [📸: David Rodríguez Arias]
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Not everyone can pull off a purple “moahwk” like the Purple-crested Turaco can. This African native can be found in parts of the continent’s southeastern region, like Kenya, Tanzania, & Mozambique. It’s frugivorous, meaning it mainly feeds on fruit! [📸: Derek Keats, CC-BY-2.0]
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While the Painted Bunting looks like it belongs in a water color, you can actually see it flying about in real life! It lives in scrub-forest or grassland habitats in parts of the southern U.S., Mexico, & Central America.🎨🖌️🐦
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You know T. rex, but what about B. rex? 🦖 That would be the Shoebill Stork (Balaeniceps rex). Standing as much as 5 ft (1.5 m) tall, this bird uses its massive beak to ambush lungfish, baby crocs, & other small animals—often decapitating prey before they’re swallowed whole.
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Say “hi” to the fish without scales: The mandarinfish! Rather than scales, it has a thick coating of foul-smelling, bitter-tasting mucus. In combination with its bright colors, the malodorous mucus is thought to deter predators by signaling toxicity.
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If someone came up to you & screamed in your ear, you’d probably walk away from them, right? That’s just what a Three-wattled Bellbird does to intruders in its territory. In fact, it’s credited with having one of the loudest bird calls: it can be heard ~0.6 mi (1 km) away!
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Today's Exhibit of the Day features one of the longest animals: The lion's mane jellyfish. It's trailing "mane" of 800 stinging tentacles can grow over 100 ft (30 m) long! The longest of these jellies—which inhabit the Arctic Ocean—are longer than the longest known blue whale.
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Jackal food is a parasitic plant native to Africa that siphons off nutrients from other plants' roots. Its flowers surface after heavy rainfall & emit a carrion-like stench to attract pollinators. Its fruit is similar to a potato & attracts animals like jackals. [📸: E. Black]
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Ever seen the colorful bark of a rainbow eucalyptus? When strips of its bark peel off, they change in color: bark starts out in shades of green, then transitions into purple, red, & orange as time goes on. Continuous peeling helps the tree keep its trunk clear of other plants.🌈
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#DYK? A giant manta ray can weigh as much as 5,300 lbs (2,404 kg) & have a wingspan of up to 29 ft (8.8 m)! The gentle giant migrates all around the world’s oceans, from warm tropical waters to more temperate regions. As the graceful swimmer swims, it filter-feeds on zooplankton.
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#OTD in 1831, 22-yr-old Charles Darwin set sail on the HMS Beagle as the ship's naturalist for a trip around the world, including the Galápagos. Darwin later called the Beagle voyage "by far the most important event in my life," saying it "determined my whole career."⛵️
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What bird is green, flightless, and native to New Zealand? If you guessed the Kakapo (Strigops habroptilus), you are correct! This large, nocturnal bird is the world’s only flightless parrot and is the heaviest parrot in the world, weighing in at up to 8 pounds.
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Today’s Exhibit of the Day? The Museum’s giant sequoia. How do you fit a 16-ft- (4.9-m-) tree slice through a 12-ft- (3.7-m-) doorway? In 1912, this sequoia slice was cut to fit through the Museum. Visitors today can still spot the seams where it was put back together!
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Meet the blue tree monitor! Growing ~3.6 ft (1.1 m) long, this reptile’s prehensile tail is nearly 2x the length of its body. It's used to assist with climbing, as this arboreal lizard spends most of its life in trees. Fun fact: This species was scientifically described in 2001.
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Meet the streamside salamander! You might spot the unusual-looking critter in wetland or forest habitats in parts of Kentucky, Ohio, and Indiana. It likes to hang out beneath rocks or in burrows underground, usually not too far from a stream.
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On this day in 1969, Apollo 11's Neil Armstrong became the first person to walk on the Moon. The journey was an astounding achievement, & scientific results & specimens gathered by Armstrong & Buzz Aldrin on the surface fueled research long after the mission was over.
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Here are some Sun facts for your Sunday: 93 million miles from Earth, a giant ball of hot gas brightens the sky. Nuclear reactions in the Sun's core create energy, which gradually flows to the Sun's surface. This energy reaches Earth in the form of sunlight!🌞

ALT GIF of the Sun. It looks like a giant ball of fire with flares radiating from its surface.

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Why do woodpeckers peck? For the Acorn Woodpecker, it’s a matter of hoarding. To prepare for a long winter, it collects acorns & pecks holes in trees to store its food. It lives in a colony in which all adults share the responsibility of finding, storing, & protecting the acorns.
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Get to know the smallest raptor in Africa, the African Pygmy Falcon! Growing ~8 in (20 cm) long & weighing ~0.18 lbs (85 g), this petite bird of prey is still a fierce predator. In its dry, sparsely vegetated habitat, it uses its sharp vision to spot prey, like lizards & rodents.
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The Harpy Eagle inhabits forests in Central & South America where it hunts monkeys, sloths—& sometimes even small deer. It’s considered one of the largest & most powerful eagles. Some of its impressive traits? Talons that resemble bear claws & a ~6.6-ft- (2-m)- long wingspan.
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Have you ever seen a glass squid? Their bodies are mostly see-through, helping them hide from predators, except for their opaque eyes. However, a light-producing organ below their eyes emits flashes, mimicking sunlight from above to camouflage them from threats lurking below.
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#OTD in 1781, Uranus was discovered. It was the first planet to be discovered with the aid of a telescope. At first, astronomer William Herschel thought the object in the sky to be a star or comet, but within 2 years, other astronomers showed it was a new planet orbiting the Sun!
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(1/3) The Museum wants to thank the people who have taken the time to express their views on the Brazilian-American Chamber of Commerce event. We want you to know that we understand and share your distress.
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How it started How it’s going
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Meet the ʻIʻiwi! It lives in tropical forests across the Hawaiian islands, where it sips on nectar and plays an important role in pollination. Its skinny decurved bill is specialized for fitting into and reaching nectar from tube-shaped flowers.
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#DYK? The Galápagos marine iguana is the only marine lizard in the world! It feeds almost exclusively on algae. Its adaptations include a flattened tail to aid it in swimming and long claws that help it hang onto seaside rocks. [📸: Victor Fazio, CC BY-NC-SA 2.0, flickr]
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Are you happy it’s the weekend? Here’s a critter to match that positive energy. Meet the Hawaiian happy-faced spider! You might be greeted by its “smile” in tropical forests on the Hawaiian archipelago, where it can be found on 4 islands: O’ahu, Moloka’i, Maui, & Hawai’i. 🙂🕷️🙂
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Imagine a pinecone as heavy as a bowling ball. This giant belongs to the coulter pine! It can be found in California & Mexico. Nicknamed “the widowmaker,” it produces the world's largest pinecones—which can weigh ~11 lbs (5kg) & plummet to the ground with deadly force!
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The Museum's #Titanosaur now has its official scientific name. Check out T's text messages w/ the Blue 🐳 to find out what it is.
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Say “hi” to the Spangled Cotinga! This South American bird forages on fruits & berries in its forest habitat, where it's an important seed disperser. Since it prefers to hang out on the tops of the tallest trees, it’s hard to spot from the ground.
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The Rose-ringed Parakeet is here to bring some color to your day! It inhabits parts of Africa & Asia, where it might be spotted in savannas, forests, wetlands, or cities. How can you tell the difference between a male & a female? Only males have the rosy ring around their necks!
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Beelieve it or not, this blue bee is the real deal! 🐝 Meet the blue carpenter bee. Unlike honeybees, this critter doesn’t live in large hives, but instead spends most of its time alone. Like other bee species, it’s an important pollinator.
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Happy #FossilFriday! Meet the 210-mil-yr-old Proganochelys quenstedti—one of the oldest known turtles. It has a typical turtle shell entirely encasing the body, but its skull is much more primitive, as seen in its jaw mechanism and ear region.
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The Golden Pheasant is here to provide some inspiration for your 2021 vision board. It inhabits montane forests in western China, where it tends to stay grounded. Spending most of its time on the shaded forest floor helps protect its vibrant colors from fading in the sunlight.
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Discovered in 2012 on Madagascar, Brookesia micra is one of the smallest reptiles in the world! An adult grows to be just over 1 in (2.5 cm) long, and a juvenile can fit on the head of a match (as pictured). [📸: Frank Glaw, Jörn Köhler, Ted M. Townsend, Miguel Vences | PLoS ONE]
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Today’s Exhibit of the Day? The Museum’s mummified hadrosaur—one of the most complete pieces of Mesozoic dinosaur remains ever found! This fossil provides a rare glimpse at dino skin. Like the skin on modern birds' feet, this duck-bill's skin was marked by bumps called tubercles.
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🚨NEW RESEARCH ALERT! A new study based on ancient DNA led by Museum scientists has resolved a long-standing controversy about an extinct “horned” crocodile that likely lived among humans in Madagascar.🐊 🔖Read about the findings in our latest blog post: bit.ly/3aHVlhr
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Is your home looking as festive as a coral reef filled with Christmas tree worms? This vibrant tube worm can be found on tropical reefs from the Caribbean to the Indo-Pacific. Its colorful appendages are used for breathing & for snatching plankton to munch on.🎄
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Say “hi” to the Marañón poison frog! This polka-dotted critter lives in a small region in northwestern Peru, where it inhabits montane forests. It’s often found in or near bromeliad flowers, which provide it with shelter, a place to lay its eggs, & water!⚪️🐸⚪️
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The Australian green tree frog—or the “dumpy tree frog,” as some locals call it—inhabits Australia’s forests, swamps… and sometimes even toilet bowls! With the help of its large mucus-covered toe pads, it’s able to climb and cling to surfaces with ease.🐸
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Tardigrades live nearly everywhere, from hot springs to Antarctic ice. When the going gets particularly tough, they enter a state called cryptobiosis—hidden life—and while it lasts, tardigrades are just about invincible. Ex: Chill them to -328˚ F for 20 months: they're fine.
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(3/3) No entanto, estamos profundamente preocupados com os objetivos declarados da atual administração brasileira, e estamos trabalhando ativamente para entender nossas opções relacionadas a este evento.
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Need a plump bird to brighten your day? Meet the Orange-bellied Parrot! This endangered species can be spotted throughout parts of Australia. Males & females have green plumage with blue markings, but males tend to be brighter in color, with more distinct patches of color.
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One of the strongest known bio materials comes from an 8-legged critter from Madagascar’s rainforests. The silk from Darwin's bark spider absorbs extensive amounts of energy before breaking—10x more than Kevlar—and demonstrates an incredible combination of strength & elasticity.
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The Grandidier’s baobab, also known as the renala, may live to be 300 years old or older! Scientists are unable to confirm these trees’ exact age because baobabs don’t produce annual growth rings. This species of baobab is found only in Madagascar’s dry deciduous forests.
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It’s Trilobite Tuesday! Like all fossilized trilobites, this Devonian-age Tropidocoryphe tells us unique information about its long-distant world. This Moroccan specimen is covered in epibionts, organisms that live on the surface of another living creature.
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Pucker up for the sea lamprey 😘 This jawless fish has a suction-cup mouth ringed with hooked teeth and survives off the blood of its prey. Growing ~2 ft (0.6 m) long, it uses its sharp tongue to pierce flesh & secretes an enzyme to stop blood clots.
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Found in Central America, South America & Southeast Asia, tapirs are related to horses & rhinoceroses. A group of tapirs is called a candle.
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It's #FossilFriday! This archival image, snapped sometime before 1960, depicts duck-billed dinosaurs on display at the Museum. Also known as hadrosaurs, these massive herbivores were the dominant plant-eaters during the Late Cretaceous ~85 million years ago.
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Happy birthday, @JaneGoodallInst! Dr. Goodall’s path-breaking African field studies of chimpanzee social behavior forever changed the way we view our closest evolutionary relatives. Her extensive conservation work has helped chimpanzees to flourish in their natural habitats.
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Next time you eat an avocado, thank a giant ground sloth—like Lestodon! It ate avocados whole, traveled, & then pooped, depositing the pits in new places. Most mammals couldn't handle large seeds, so it was up to megafauna like Lestodon to disperse avocados. #NationalAvocadoDay🥑
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Centuries ago, the fear of poisons led people to seek charmed objects to keep them safe. One example? When Europeans found fossilized shark teeth, they thought they were the tongues of dragons. These “tongue stones” were worn as charms and dipped into food to purify it of poison.
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Not all blood is red. A horseshoe crab’s is blue—and it clots in the presence of disease-causing bacteria, so manufacturers test drugs with it to make sure their products aren’t contaminated. If you’ve been vaccinated against measles, mumps & smallpox, thank a horseshoe crab.
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What’s a red-necked pademelon? A relative to kangaroos and wallabies, it’s a marsupial species that lives in parts of eastern Australia. The shy critter inhabits forests, grassland, or scrub, where it forages for grass, roots, and leaves, usually during the night.
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How does a meerkat keep the Sun’s glare at bay? 😎The black rings around its eyes act like built-in sunglasses, helping to reduce the harsh sunlight in its African habitat. It might be spotted in parts of Angola, Botswana, & S. Africa, where it tends to live in arid & open areas.
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(2/3) Também queremos deixar claro que o Museu não convidou o Presidente Bolsonaro; ele foi convidado como parte de um evento externo.
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Meet the Pink Robin! This Australian species inhabits forests, where its small size and quiet nature makes it more difficult to spot than other species of robin. Only males sport the bright pink plumage on their undersides; females are covered in an olive-brown color.
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Scientists first discovered the Yeti crab in 2005 in the south Pacific Ocean in the scalding, sulfurous waters near the base of active hydrothermal vents. It has no eyes & bristle-covered claws. It’s so unlike other species that it was placed in its own family, Kiwaidae.
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Are you bracing for the dropping temperatures like the wood frog? This amphibian has an amazing adaptation to survive bitterly cold winters. When the weather dips below freezing, the frog freezes too! During hibernation, most of the water in its body turns to solid ice.🧊🐸🧊
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Every rose has its thorns—just ask the thorn bug! The “thorn” on its back helps to deter predators from munching on it. Thorn bug nymphs have a second defense: an attentive mom. Females can defend their young from predatory wasps with a well-placed kick with their hind legs!
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While okapis may remind you of zebras with their striped legs & rear, these endangered mammals are more closely related to giraffes.
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The Australian King Parrot may look red and green to you, but you’re only human. Under UV light, some of its plumage has a distinctly golden hue! To tell a male from a female, check the head color: males’ heads are entirely red, while females’ are green.👑🦜
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The enormous Barosaurus is the world’s tallest freestanding dinosaur mount–and composed of casts, since fossils are too heavy to support in this way.
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You’d be in danger of frostbite after 30 minutes in -17°F (-27°C). But the Arctic fox doesn’t even start shivering until about −90°F (-67.8°C)! Well-equipped for the extreme conditions in the Arctic tundra, this mammal has a dense coat made up of many layers to keep it warm.❄️
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