Call of the Liar
Researchers have long assumed that only male birds sing. But evidence increasingly shows that females do as well. Now, scientists are studying a sensational singer in Australia to suss out why.
Natural Selection
Latest in Natural Selection
Mighty Mom
One of the most attentive of all insect parents, this tiny treehopper fiercely defends her offspring until they're fully grown, using her thorn-shaped headdress as both shield and intimidation tool.
Up in Arms
A pair of male stag beetles bring their oversized mandibles to bear in the age-old fight to find a mate.
Mighty Mom
One of the most attentive of all insect parents, this tiny treehopper fiercely defends her offspring until they're fully grown, using her thorn-shaped headdress as both shield and intimidation tool.
Up in Arms
A pair of male stag beetles bring their oversized mandibles to bear in the age-old fight to find a mate.