According to BirdCast, ornithologists didn't realize the magnitude of migration that occurred at night until the turn of the 20th century. Fall migration timing varies across the U.S. and even within ...

American robins and fall leaves on the ground - Susan Hodgson/Shutterstock As the weather gets cooler during the fall months, many birds migrate south for warmer weather and more food options. As they ...

Each fall, migrating birds can be seen flying south to their wintering grounds. The New York State Department of Environmental Conservation said fall is the ideal time of year for New York residents ...