Peak migration is defined by the seasonal window during which about 50% of nighttime bird migration traffic passes through an ...

Spring bird migration reaching peak activity this year, and millions of birds are traveling across the U.S. See when and ...

Millions of birds are flying over Mississippi every night for the next few weeks. You can help them move safely. Here's what ...

Cornell Lab of Ornithology's BirdCast Migration Dashboard allows tracking of bird migration across the U.S., including Michigan. Peak spring migration in Michigan is from March 1 to June 15, with fall ...

BirdCast's live bird migration map shows intensities of actual nocturnal bird migration detected by the U.S. weather surveillance radar network between local sunset and sunrise. In Louisiana ...

The system uses radar because most species migrate ... during which about 50% of nocturnal bird migration traffic passes through an area. On a map you can see a wave of peak migration move ...