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Understanding the Stages of the Bird Breeding Cycle: Teaching Resources for Educators

Enhance your classroom with engaging teaching slides created by the BirdSleuth K-12 team, focusing on the stages of the bird breeding cycle. These resources guide students through the processes of territory defense, mate selection, nest building, egg incubation, and chick rearing. While you may edit the content for your educational purposes, please refrain from distributing it. For additional materials, visit www.birdsleuth.org/webinar-series/nesting, and don't hesitate to reach out to BirdSleuth at birdsleuth@cornell.edu with questions.

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Understanding the Stages of the Bird Breeding Cycle: Teaching Resources for Educators

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  1. Educators… • These teaching slides were created by the BirdSleuth K-12 team. We welcome you to share these slides with your students! You may edit this file, but please do not distribute this file (neither original or edited versions). • Other resources pertaining to this content can be found at: www.birdsleuth.org/webinar-series/nesting. • Need help or have questions? Please contact BirdSleuth at birdsleuth@cornell.edu or consult the BirdSleuth website at www.birdsleuth.org. Join BirdSleuth on our social networks at: • Facebook: https://www.facebook.com/pages/BirdSleuth/40097433976 • Twitter: https://twitter.com/BirdSleuth • Pinterest: http://pinterest.com/birdsleuth/boards/ • Version 1.0 August 20, 2013

  2. Stages of the Breeding Cycle Find and defend a territory Find a mate Build a nest and lay eggs Incubate eggs Feed and raise nestlings Fledge from the nest

  3. Find and Defend a Territory • Nearly all birds defend a breeding territory during their breeding season • Contains the resources needed to live, nest, and raise young

  4. Build a Nest • Birds use a huge variety of materials to build nests • Twigs and sticks • Dead leaves • Pebbles • Mud • Hair, fur, feathers • Yarn, string, dental floss • …many more!

  5. Cup

  6. Scrape Domed Pendulous cup Cavity Platform

  7. Lay Eggs • A clutch is the eggs laid by on female during a single nesting attempt • Laying time varies • Inter-egg intervals LS1B

  8. Incubate Eggs • Developing chicks must be kept at a certain temperature • Mostly “brooding,” (when an adult birds sits on its eggs or young to warm them)

  9. Chicks Hatch • Chicks use an egg tooth to break through the shell • Pipping is the process of breaking through the shell

  10. Hatchlings • Altricial hatchlings are completely dependent on their parents • Precocial hatchlings more developed and more independent

  11. Feed and Raise Young

  12. Fledge from the Nest • When a nestling: • Is able to leave the nest, but not necessarily fully capable of flight • Has acquired its first complete set of flight feathers • Term usually used for altricial nestlings

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