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- 1. (c) Bernard Gagnon, some rights reserved (CC BY-SA)
- 2. (c) Jason Sharp, some rights reserved (CC BY-NC-SA)
- 3. (c) Heriberto Ávila-González, some rights reserved (CC BY-NC), uploaded by Heriberto Ávila-González
- 4. (c) Katja Schulz, some rights reserved (CC BY)
- 5. (c) Carlos Galaz-Samaniego, some rights reserved (CC BY-NC), uploaded by Carlos Galaz-Samaniego
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- 7. Wicki, no known copyright restrictions (public domain)
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- 19. (c) Anthony Mendoza, some rights reserved (CC BY-NC-SA)
- 20. (c) Erin Faulkner, some rights reserved (CC BY-NC), uploaded by Erin Faulkner
- 21. (c) Bryant Olsen, some rights reserved (CC BY-NC)
- 22. (c) Rennett Stowe, some rights reserved (CC BY)
- 23. (c) Smithsonian Institution, National Museum of Natural History, Department of Botany, some rights reserved (CC BY-NC-SA)
- 24. (c) jeevan jose, some rights reserved (CC BY-NC-SA)
- 25. (c) caminantesdeldesierto, all rights reserved, uploaded by caminantesdeldesierto
- 26. (c) John Rusk, some rights reserved (CC BY)
- 27. (c) 2012 Keir Morse, some rights reserved (CC BY-NC-SA)
- 28. (c) 2014 Keir Morse, some rights reserved (CC BY-NC-SA)
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- 32. (c) 2013 Keir Morse, some rights reserved (CC BY-NC-SA)
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- 34. (c) gregpc, some rights reserved (CC BY-NC), uploaded by gregpc
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- 39. (c) Krzysztof Ziarnek, Kenraiz, some rights reserved (CC BY-SA)
- 40. (c) Ken-ichi Ueda, some rights reserved (CC BY-NC)
- 41. (c) Andrés Orduño, some rights reserved (CC BY-NC), uploaded by Andrés Orduño
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- 57. (c) Marshal Hedin, some rights reserved (CC BY-NC-SA), uploaded by Marshal Hedin
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- 59. (c) Alex Abair, some rights reserved (CC BY-NC), uploaded by Alex Abair
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- 61. (c) María Dolores Reyes Morales, some rights reserved (CC BY-NC-ND), uploaded by María Dolores Reyes Morales
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- 67. (c) Franceli Macedo, some rights reserved (CC BY), uploaded by Franceli Macedo
- 68. (c) Adrián Lozano, some rights reserved (CC BY-NC-SA), uploaded by Adrián Lozano
- 69. (c) Arianza1, some rights reserved (CC BY-SA)
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- 71. (c) Francisco Ortiz Navarro, some rights reserved (CC BY-NC), uploaded by Francisco Ortiz Navarro
- 72. (c) Alex Dreyer, some rights reserved (CC BY-NC), uploaded by Alex Dreyer
- 73. (c) Dayhana Felix Berumen, some rights reserved (CC BY-NC), uploaded by Dayhana Felix Berumen
- 74. (c) Francisco Farriols Sarabia, some rights reserved (CC BY), uploaded by Francisco Farriols Sarabia
- 75. (c) Tomás Castelazo, some rights reserved (CC BY-SA)
- 76. (c) Gilberto Ponce Tejeda, some rights reserved (CC BY-NC), uploaded by Gilberto Ponce Tejeda
- 77. (c) Alfonso Torres Duarte, some rights reserved (CC BY-NC), uploaded by Alfonso Torres Duarte
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- 79. (c) Oliver Komar, some rights reserved (CC BY-NC), uploaded by Oliver Komar