Claudio Contreras / Monarch butterfly (Danaus plexippus) hibernating, Mariposa Monarca Special Biosphere Reserve, central Mexico, January.
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Claudio Contreras / Monarch butterfly (Danaus plexippus) hibernating, Mariposa Monarca Special Biosphere Reserve, central Mexico, January.
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Claudio Contreras / Jumping cholla (Cylindropuntia fulgida fulgida), Rasa Island Special Biosphere Reserve, Sea of Cortez (Gulf of California), Mexico, April
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Claudio Contreras / Monarch butterfly (Danaus plexippus) hibernating in Sacred Fir (Abies religiosa) forest, Mariposa Monarca Special Biosphere Reserve, central Mexico, January.
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Claudio Contreras / Monarch butterfly (Danaus plexippus) hibernating, Mariposa Monarca Special Biosphere Reserve, central Mexico, January.
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Claudio Contreras / Peregrine falcon (Falco peregrinus) flying from rocks, watched by another, Rasa Island Special Biosphere Reserve, Sea of Cortez (Gulf of California) Mexico, April
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Claudio Contreras / Peregrine falcon (Falco peregrinus) perched on rocks, Rasa Island Special Biosphere Reserve, Sea of Cortez (Gulf of California) Mexico, April
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Claudio Contreras / Elegant tern (Sterna / Thalasseus elegans) pair performing courtship dance amongst breeding colony, Rasa Island Special Biosphere Reserve, Sea of Cortez (Gulf of California) Mexico, April
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Claudio Contreras / Elegant terns (Sterna / Thalasseus elegans) mating pair amongst breeding colony, Rasa Island Special Biosphere Reserve, Sea of Cortez (Gulf of California) Mexico, April
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Claudio Contreras / Elegant tern (Thalasseus / Sterna elegans) pair courtship display, Rasa Island Special Biosphere Reserve, Sea of Cortez (Gulf of California) Mexico, April
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Claudio Contreras / Elegant tern (Thalasseus / Sterna elegans) pair performing courtship dance, excluding a third tern, Rasa Island Special Biosphere Reserve, Sea of Cortez (Gulf of California) Mexico, April
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Claudio Contreras / Royal tern (Thalasseus maximus) calling, Rasa Island Special Biosphere Reserve, Sea of Cortez (Gulf of California) Mexico, April