Flere bøker av The Cornell Lab of Ornithology:

• Backyard Birdwatching in Houston

  An Introduction to Birding and Common Backyard Birds of Southeastern Texas

  Wildlife and Nature Identification / The Cornell Lab of Ornithology

  Plakat

  

• Backyard Birdwatching in New York City

  An Introduction to Birding and Common Backyard Birds of the New York Metro Area

  Wildlife and Nature Identification / The Cornell Lab of Ornithology

  Plakat

  

• Backyard Birdwatching in Seattle

  An Introduction to Birding and Common Backyard Birds of Western Washington

  Wildlife and Nature Identification / The Cornell Lab of Ornithology

  Plakat