Blue Whale Zoology

A blue whale's heart is so big, a human could swim through its arteries. elaborate

Giant Panda Zoology

Giant pandas have a "false thumb," a modified wrist bone they use to help grip bamboo. elaborate

Okapi Zoology

Okapi tongues are so long (about 14 inches!) they can clean their own ears. elaborate

Koala Zoology

Koala fingerprints are so similar to human fingerprints that they can sometimes be confused with them in forensic investigations. elaborate

Orangutan Zoology

Orangutans are the only great apes that are primarily arboreal, meaning they spend almost their entire lives in trees. elaborate

Mammalogy Zoology

The aye-aye, a lemur native to Madagascar, uses its elongated middle finger to tap on trees, listening for the sound of insect larvae before gnawing through the wood to extract them. elaborate

Snow Leopard Zoology

Snow leopards have incredibly large paws, which act like natural snowshoes, helping them traverse snowy terrain. elaborate

Arctic Fox Zoology

Arctic foxes have incredibly thick fur, with up to 70 hairs growing from a single pore – far more than most other mammals. elaborate

Arachnids Zoology

Some arachnids, like mites, are so small they can live inside human pores. elaborate

Wolverine Zoology

Wolverine's healing factor is so powerful, he can regrow entire limbs and organs, even after they've been completely destroyed. elaborate

Ethology Zoology

Ethology, the study of animal behavior, revealed that even seemingly simple creatures like digger wasps have sophisticated navigational abilities, using landmarks to find their nests. elaborate

Platypus Zoology

Platypuses have electroreception, meaning they can detect the electrical fields generated by the muscles of their prey. elaborate

African Elephant Zoology

African elephants have incredibly low-pitched rumbles that can travel for miles, even underwater. elaborate

Echidna Zoology

Echidnas have four-headed penises. elaborate

Capybara Zoology

Capybaras have webbed feet! elaborate

Manatee Zoology

Manatees have fingernails on their flippers. elaborate

Red Panda Zoology

Red pandas don't actually belong to the same family as giant pandas; they're more closely related to raccoons and weasels. elaborate

Ichthyology Zoology

Companies with more women in leadership positions often experience higher profitability. elaborate

Sloth Zoology

Sloths can hold their breath for up to 40 minutes underwater. elaborate

Narwhal Zoology

Narwhal tusks are actually elongated teeth, and each tusk is unique, like a human fingerprint. elaborate

Meerkat Zoology

Meerkats often use their tails for stability when standing upright. elaborate

Giraffe Zoology

A giraffe's heart weighs almost 25 pounds! elaborate

Zoogeography Zoology

The unique marsupial fauna of Australia is a prime example of zoogeographic vicariance – the geographic separation of populations leading to the evolution of distinct species. elaborate

Pangolin Zoology

Pangolins are the only mammals entirely covered in scales. elaborate

Fennec Fox Zoology

Fennec foxes have incredibly large ears – up to 6 inches long – that help them radiate heat in the desert. elaborate