Bird Finder Tool

Test drive our new Bird Finder tool based on our virtual bird aviary of the southwest. A great way to learn about birds in your own backyard. Image of Northern Cardinal above by Robert Shantz.

PLOSable Biology

Scientists are learning new things every day and writing about their discoveries. In PLOSable Biology you will find stories that will help you read and explore these articles, where firsthand science is only a mouse click away!

Sonoran CSI

Little water, sweaty, hot summer days and frigid winter nights make the desert an uninviting place for most animals and plants. But hiding just below the surface, the desert is alive with microbes—tiny, living things too small to see without magnification.