This left a gap in the fossil record, but Petrified Forest National Park didn’t get its name for nothing: The volcanic ash that burst from California’s Mojave Desert ended up in northeast Arizona’s ...

Passenger pigeons once darkened the sky, now they're just a footnote. These are the birds I never had the chance to see.

Woodpeckers can cause a nuisance in your home with their constant pecking, causing damage to wooden structures.