BIRDS

1. Avibase – The World Bird Database (bsc-eoc.org)

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2. Cornell Lab of Ornithology—Home | Birds, Cornell Lab of Ornithology : Birds, Cornell Lab of Ornithology

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3. eBird – Discover a new world of birding…

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4. AVoCet : Avian Vocalization Center (msu.edu)

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5. Searchable Ornithological Research Archive | The University of New Mexico (unm.edu)

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6. All birds on bird-sounds.net

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7. Introducing the Bird Chromosome Database: An Overview of Cytogenetic Studies in Birds – PubMed (nih.gov)

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8. Freesound – sound search

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9. Species lists and databases – INHS Bird Collection (illinois.edu)

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10. 50 Bird Species and the Sounds They Make (aaastateofplay.com)

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11. Birds – Ecology Explorers (asu.edu)

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12. U.S. Fish & Wildlife Service – Migratory Bird Program | Conserving America’s Birds (fws.gov)

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13. Birds of Orange County, California (uci.edu)

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14. Oklahoma Breeding Bird Atlas – Sutton Center

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15. State of the Birds 2019

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16. Macaulay Library – A scientific archive for research, education, and conservation, powered by you

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17. WhatBird | identify birds | bird identification guide | north america

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18. NMOS Database Overview (unm.edu)

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19. Birds of Iowa (iowabirds.org)

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20. Mapping bird migration | UDaily (udel.edu)

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21. Our wildlife sound archive – CSIRO

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22. Explore the birds of Tennessee! (tn.gov)

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23. How to Identify Birds by Sounds | Audubon

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24. Guide to North American Birds | Audubon

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25. Identify garden birds | The Wildlife Trusts

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26. Birds Canada | Oiseaux Canada |

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27. American Bird Conservancy: 25 Years of Bird Conservation Results (abcbirds.org)

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28. Most Common Backyard Birds (thespruce.com)

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29. Bird Identification Guide » Bird Watcher’s Digest (birdwatchersdigest.com)

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30. List of birds of Africa – Wikipedia

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31. List of birds of South Africa – Wikipedia

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32. List of birds of Asia – Wikipedia

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33. List of birds of Europe – Wikipedia

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34. List of birds of Australia, New Zealand and Antarctica – Wikipedia

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35. List of birds of Canada – Wikipedia

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36. List of birds of New Mexico – Wikipedia

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37. List of birds of the United States – Wikipedia

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38. List of birds of Ireland – Wikipedia

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39. List of birds of Germany – Wikipedia

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40. List of birds of New Zealand – Wikipedia

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