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Behold the dapper flat-headed rock agama! It's sometimes called the “Spider-Man agama” due to its distinct “red” torso and blue lower body. Only males sport these striking colors; females of this species are brown.

DYK? Unlike other octopuses, which can camouflage using color-changing chromatophores in their skin, the sand octopus has a different strategy: digging. To escape threats, it shoots jets of water into the seafloor to loosen up the sand, then burrows itself beneath the surface.

🐯Have you ever seen a black tiger? This individual, from India’s Similipal National Park, exhibits a rare genetic mutation called psuedomelanism, which causes dark pigmentation & wide overlapping stripes.

Smile like Smilodon because it’s #FossilFriday! Scientists estimate that its signature teeth grew at the rapid speed of .24 in (6 mm) per month—double the growth rate of an African lion’s teeth. Smilodon could open its jaws twice as wide as today’s big cats.

Meet the gold-mouth sea squirt! This filter-feeder draws in water through an opening known as a siphon to devour phytoplankton and bacteria. It can be found in waters off of Southeast Asia and Australia.

The little pygmy possum is the smallest possum in the world. This marsupial typically weighs only 0.4 oz (10 g)—about the weight of 10 almonds. This omnivore has a taste for the nectar & pollen of flowering plants, and it can consume up to 7% of its body weight in a single day!

Behold the striking plumage of the Cuban Tody! This quick-flying bird is an enthusiastic eater, spending most of the day searching for food like insects, fruits, & small lizards. It nests in elaborate burrows, complete with twists & turns, to discourage potential foes.

#OTD in 1914, Martha (the last-known living Passenger Pigeon) died at the Cincinnati Zoo. Her death—at 29 after a lifetime in captivity—marked the disappearance of her once-abundant species from the world & made her name synonymous with species extinction at human hands.

Go behind the scenes at American Museum of Natural History during the Student Conference on Conservation Science - New York this October! Conference participants can sign up for collection tours starting TODAY on the participants site. #SCCSNY2024 registration is still open! Visit: amnh.org/sccsny

Hip-hop jewelry does a lot of heavy lifting in a new, beautifully laid out exhibition at the American Museum of Natural History, our critic writes. nyti.ms/475J1nb

Have you ever seen the southern brown bandicoot? This nocturnal marsupial is an omnivore that feeds on plants, fungi, & invertebrates. When threatened, it huffs & puffs, making a “chuff chuff” call to intimidate foes. If that doesn’t work, it can also emit a shrill shriek.

What are orbicules? They're the unusual ball-shaped, radial clusters of crystals that you can see on this piece of granite. The diversity in the orbicules’ mineral composition and structure indicate that the conditions in the magma changed as they grew.

It's Trilobite Tuesday! Trilobites were highly social animals—gathering together to mate, molt, or feed. This Devonian specimen from New York, features dozens of overlapping Eldredgeops trilobites. These small marine arthropods measure 0.8 to 1.2 in (2 to 3 cm) in length.

🚨 Exciting news! Celebrate the launch of the NY Climate Education Hub on Sep 25 during #ClimateWeekNYC ! Join an inspiring panel with climate education leaders. Hosted by the American Museum of Natural History , SubjectToClimate and CRETF. RSVP today👉bit.ly/3Xibnav

What’s a long-nosed potoroo? It’s a “rat-kangaroo” and a member of the order Diprotodontia, which includes other marsupials like kangaroos and koalas. It puts its long nose to work on the forest floor to track down snacks like seeds, fruit, invertebrates, and fungi.

#OTD in 1977, Voyager 1 launched from the NASA Kennedy Space Center. Over the past 47 yrs—together with its twin Voyager 2—the spacecraft outperformed all expectations. Both are still exploring as part of our farthest & longest-lasting space mission & carrying the Golden Record.

Meet the Ornate Hawk-eagle! This raptor’s patterned plumage helps it blend in with the dappled sunlight of the tree canopy. Its wingspan can reach ~4 ft (1.2 m) wide. It feeds on mammals, lizards, snakes, and birds and can even take on prey twice its own size.

Meet the big-eared opossum! This nocturnal marsupial prowls the forest floor by night, feeding on invertebrates like crickets and millipedes, a variety of fruit, and small vertebrates like snakes and birds. It can be found in humid forests across South America.