Yet billions of birds, especially migratory songbirds like warblers, vireos, thrushes, hummingbirds and orioles that breed in North America winter ... given even a small break.

People in northern climates are familiar with flocks of birds flying south in the winter, but why do they do it, and why ...

People have always been interested in where wild animals go, especially when they were a primary food source. Now one of the questions is: why are North American grassland bird populations shrinking?

Tiny songbirds such as grosbeaks and warblers migrate thousands of ... at 26 sites across Eastern North America and collected more than 18,300 hours of bird flight calls. The researchers found ...

When winter arrives in North America ... sites has left migrating birds struggling to find food. In southern Europe, for instance, the countryside had clusters of small farms with wild spaces ...

Most people think of migration as the seasonal movement of a flock of birds between their breeding ... more than 100 million individuals sweep across North America to overwinter up to 4,750 ...

North Dakota's Audubon National Wildlife Refuge is rife with all sorts of native passerines, waders and waterfowl.

White-throated sparrows teach each other new songs on migration stop-overs. Dainty Tennessee warblers make unexpectedly long ...

But songbirds don’t seem to mind, as a new study suggests they are likely to ‘talk’ to other species as they migrate. Last year, a team of scientists discovered that birds seem to ‘buddy ...

The data collected will help scientists unravel the mysteries of tropical bird migration.“In South America the study of ... species generally migrated north and remained along the coast.

Now one of the questions is: why are North American grassland bird populations shrinking? Is it something happening on their breeding grounds, on their southern wintering grounds, or at stopover ...