The fins of the scalyhead sculpin are related to our arms.
The shape of our hands comes from tree-dwelling ancestors.
Female peacock spiders stay with their young in an egg sac until they can fend for themselves.
Infant lemurs hitch a ride through the forest by holding on to their mother’s tummy or riding piggyback.
The male peacock spider performs a spectacular dance to attract a mate—but the female is not always impressed.
Weaver ants labor to carry a live land snail back to their nest in Gorongosa National Park.
A close-up view of the sound-producing structure on the wing of a field cricket (Gryllus pennsylvanicus).
Tracking the flight paths and speeds of fruit flies in a wind tunnel may help design better flying robots.
The Plymouth anole (Anolis lividus) lizard is found only on the Caribbean island of Montserrat—and it is the only anole species living there.