Peacocks don't have a "neck" in the same way humans do; their long, graceful necks are actually mostly made up of feathers. elaborate share
Nautilus shells have a pearly interior layer that's thicker than that of other shelled mollusks, making them exceptionally strong. elaborate share
Chambered nautiluses have incredibly complex eyes, lacking a lens but still forming a surprisingly sharp image using a pinhole effect. elaborate share
Fennec foxes have incredibly large ears – up to 6 inches long – that help them radiate heat in the desert. elaborate share
Emus can't fly, but they can swim! elaborate share
Red pandas don't actually belong to the same family as giant pandas; they're more closely related to raccoons and weasels. elaborate share
Sloths can hold their breath for up to 40 minutes underwater. elaborate share