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 ...

There are over 50 North American native species ... By dimming outdoor lights and providing food and water for migrating ...

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 ...

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

He kissed his fingers to suggest how good the birds tasted, and I kept frowning at the cages. To a visitor from North America ... lack of native quarry, blast migrating raptors out of the sky ...

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?

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 ...

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.

Evidence from over 18,300 hours of recorded flight calls suggests songbirds may 'talk' to other species as they migrate ... bird migrations from 26 sites over three years in eastern North America.