A hummingbird chick in Panama mimics a poisonous caterpillar to avoid predators—a rare case of bird-to-insect mimicry. When ...

The animal world is always full of surprises. Even a long-studied species can hold a few secrets hidden between their fur or ...

Start the day smarter. Get all the news you need in your inbox each morning. With common bird populations on the ...

Red-winged blackbird, sandhill crane, northern cardinal, yellow warbler, common loon and hummingbird also were on the list of ...