A white-necked jacobin hummingbird chick surprises scientists, scaring away wasps by mimicking a poisonous caterpillar.

Scientists once believed birds relied only on flight, talons and socialization for survival. But this one proves otherwise: ...

Discover how tiny hummingbirds influence their many flowering kingdoms and their ripple effects on macaws, quetzals, monkeys, tapirs and more. Set in the exotic landscapes of Costa Rica. Costa Rica’s ...

Hummingbirds are reaching the U.S.'s northernmost states as the small but mighty birds wrap up their spring migration season. Known for their impossibly fast wings and long, slender beaks, ...

Hummingbirds are back in Pennsylvania after their annual southern vacation, so you should be seeing these small birds flitting around the yard by now. Gardeners like hummingbirds not only for their ...

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Watching birds fighting at a feeder Wednesday morning prompts us to wonder how various species would rate as military combatants. Despite its small size and scant armament, the hummingbird has the ...

Quick Take Ruby-throated hummingbirds migrate about 2,000 miles annually from North America to the Yucatan Peninsula and back ...