Hummingbirds in North America are currently experiencing contrasting population changes, and little is known about the factors contributing to these changes. We examined the demography of two species ...

Every spring, hummingbirds embark on an ambitious migration, flying thousands of miles from Central America and Mexico to breeding grounds in the U.S. and Canada. Hummingbirds migrate an average of 23 ...

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

Hummingbirds, the tiniest birds in the world, have some impressive flying and navigating skills. Most North American hummingbird species are migratory. Each year, these minuscule creatures head south ...

SALT LAKE CITY — It's about 3 inches long and weighs as much as a penny. But a calliope hummingbird is a tough little bird. It can fly up to 5,600 miles in a year. Despite its tiny stature, the ...

Bill shape affects how efficiently a hummingbird feeds and how it competes with other hummingbirds. Because of humans, they ...

An interactive map traces the spring 2025 migration north of hummingbirds. The birds are projected to arrive in Michigan later this month. Hummingbirds are flying north, and Michigan birdwatchers can ...

An Anna’s hummingbird calls out from the bare branch of a Hachiya persimmon tree in a Santa Cruz backyard. According to American Bird Conservancy’s website, the bird was named for the 19th century ...

If dogs are a man's best friend, then hummingbirds are a man's best backyard companion. These delightful, colorful, little birds are not just entertaining but also are great pollinators throughout the ...