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The Conversation USA

When birds go roaming: The mystery of avian irruptions

  • Written by Archer Larned, Ph.D. Candidate in Biological Sciences, University of Maryland, Baltimore County
imageRed-breasted Nuthatches are irrupting this winter across North AmericaHeather Elaine Ritchie/Flickr, CC BY-NC-ND

In North America when the leaves start to fall and the days get shorter, many birds head south for warmer weather. Only a small number of species stick it out for the winter. If you’re out in the woods in a typical February,...

Read more: When birds go roaming: The mystery of avian irruptions

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