News

BirdCast presented at the annual Migration Celebration at the Cornell Lab of Ornithology on September 13. Celebrating the spectacle of bird migration, visitors could learn how to use BirdCast’s Migration Tools, participate in the BirdCast quiz bowl, and learn more about how to stop bird collisions at the table of the Bird Collision Prevention Alliance, a new partnership that BirdCast participates in.

We said BILLION twice before in BirdCast history, on 6 October 2023 and on 25 September 2025! Amazing! Welcome back to the billion bird night club! Again! For the third time! 8 October 2025! The third epic night did not stop at a billion either: no, it grew beyond that, and beyond 1.1 billion, beyond 1.2 billion, all the way to 1.25 billion, becoming the biggest night of migration yet recorded by BirdCast!

System uses BirdCast data to enable real-time lighting adjustments during peak migration events and reduce the number of birds colliding with buildings

The BirdCast Team is pleased to welcome you back to our suite of migration tools for Spring 2026! Frequent visitors may notice that BirdCast has a fresh new look. Over the winter, we’ve worked hard to redesign and improve the…

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An enormous migration event occurred on the night of 3-4 May 2026. Such a large number of birds – nearly 860 million – is unusual for spring, setting a record for the biggest spring night we have so far analyzed.

Broadcast meteorology and BirdCast migration forecasts comes together – watch as we unveil one of the first pilot video forecasts!

New approaches bridge gap between radar monitoring and species identification, advancing conservation efforts for birds during migration

Spring migration season is long in the books, with billions of migratory birds now completing their breeding routines and preparing for (and engaging in) their return journeys to nonbreeding grounds. See our summary.