Aug 1, 2021 · Birds migrate in many ways and for a number of reasons. Here's a guide to the ways birds migrate, how they navigate, the hazards they face, and more. Originally published January 2007; updated August 2021.

Bird migration is a seasonal movement of birds between breeding and wintering grounds that occurs twice a year. It is typically from north to south or from south to north. Migration is inherently risky, due to predation and mortality.

See real-time analysis maps of intensities of actual nocturnal bird migration, as detected by the US weather surveillance radar network between local sunset to sunrise. Cornell Lab of Ornithology currently produces these maps.

The Bird Migration Explorer is your guide to the heroic annual journeys made by over 450 bird species, and the challenges they face along the way. Learn more about a species, the migratory birds at a specific location, or a conservation challenge birds face.

When, where, and how far will birds migrate? How many birds passed last night? Our tools help you explore the answers to these and many other questions about bird migration. Explore nightly migration data in your region. Learn more.

Oct 11, 2012 · In North America, most bird species migrate to some extent, with more than 350 species traveling between their summer ranges in the U.S. and the tropics each fall to overwinter. Here are just some of the many incredible facts about our migrants. 1.

Jun 26, 2024 · This new analysis determined the peak periods of spring bird migration—defined as when the nightly average of birds in the night sky was highest—as measured by 143 radar systems from coast to coast, with each radar measuring aerial bird densities every 10 minutes from 2013 to 2022.

In birds, migration means two-way journeys—onward journey from the ‘home’ to the ‘new’ places and back journey from the ‘new’ places to the ‘home’. This move­ment occurs during the particular period of the year and the birds usually follow the same route.

May 5, 2021 · Bird migration is one of nature’s great wonders. Here’s how they do it. Some fly 11 days nonstop. Others trek 8,000 miles. Each year, thousands of bird species leave home in search of food.

Mar 10, 2025 · Unveiling the Avian Superhighways: A Deep Dive into Bird Migration Routes. The world of bird migration is a truly awe-inspiring phenomenon, filled with epic journeys that span continents and oceans. Understanding these migration routes is crucial for conservation efforts and appreciating the incredible feats of these feathered travelers.