• How Cliff Swallows Build a Nest

  • Apr 21 2024
  • Length: 2 mins
  • Podcast
How Cliff Swallows Build a Nest  By  cover art

How Cliff Swallows Build a Nest

  • Summary

  • When Cliff Swallows arrive on the breeding grounds in North America, the dirty work begins. The swallows scoop up mud in their beaks and carefully build a gourd-shaped nest with a tapered opening. They add a lining of dry grass to keep eggs warm. It takes days of work and a thousand mouthfuls of mud to finish a single nest—and it’s just one part of a large colony.

    More info and transcript at BirdNote.org.

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