Ruby-throated hummingbird

Flexible Feeders

The lower bill of the hummingbird makes a nectar-drinking beak into one for catching insects.

view counter
view counter

Recent Stories

Uneven handedness

A visual atlas of solifuge jaws enables research on these poorly-understood arachnids.

Frogs, like humans, irrationally switch their preferences.

Phytoplankton blooms gain nutrients from glacial melting.