Pete Oxford / Common Cactus-Finch (Geospiza scandens) feeding on cactus, Galapagos Islands, Ecuador
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Tui De Roy / Cactus finch (Geospiza scandens) feeding on cactus flower nectar and pollen. Espanola, Galapagos Islands, November.
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Pete Oxford / Finch specimens at the Charles Darwin Research Station, Puerto Ayora, Santa Cruz Island, Galapagos Islands, L to R Top: Large Ground Finch (Geospiza magnirostris), Woodpecker Finch (Cactospiza pallidu...
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Tui De Roy / Common Cactus-Finch (Geospiza scandens) feeding on Opuntia (Opuntia sp) cactus blossom, Academy Bay, Santa Cruz Island, Galapagos Islands, Ecuador
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Tui De Roy / Common Cactus-Finch (Geospiza scandens) feeding on (Opuntia sp) Common Cactus Fruit, Santa Fe Island, Galapagos Islands, Ecuador
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Tui De Roy / Woodpecker Finch (Camarhynchus pallidus) using cactus spine to extract grub from dead wood, Santa Cruz Island, Galapagos Islands, Ecuador
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Pete Oxford / Large cactus ground finch {Geospiza conirostris} Tower (Genovesa) Is, Galapagos, tool making Book page 88
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Nick Hawkins / Common cactus finch (Geospiza scandens) perched on Prickly pear (Opuntia). San Cristobal Island, Galapagos.
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Nick Hawkins / Common cactus finch (Geospiza scandens) perched on twigs. San Cristobal Island, Galapagos.
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Tui De Roy / Sharp-beaked ground finch (Geospiza difficilis) feeding on opuntia cactus blossom, Galapagos
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Tui De Roy / Cactus finch (Geospiza scandens) feeding on Erythrina flowers, Galapagos
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Tui De Roy / Cactus finch (Geospiza scandens) feeding on Erythrina flowers, Galapagos