Lucas Bustamante / Galapagos sea lion (Zalophus wollebaeki) resting on rocks, Santiago Island, Galapagos Islands. Endangered.
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Jen Guyton / Mountain gorilla (Gorilla beringei beringei) female with two infants resting in forest vegetation, Volcanoes National Park, Rwanda. Endangered.
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Franco Banfi / Two White-tailed eagles (Haliaeetus albicilla) fighting, Bialowieza Forest UNESCO World Heritage Site, Poland. January.
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Franco Banfi / Two Common buzzards (Buteo buteo) fighting in snow, Bialowieza Forest UNESCO World Heritage Site, Poland. December.
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Franco Banfi / European bison (Bison bonasus) herd in agricultural field covered with snow near forest, Bialowieza Forest UNESCO World Heritage Site, Poland. December.
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Emanuele Biggi / Stalk-eyed fly (Diopsidae) male, portrait, Kibale National Park, Uganda.
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Emanuele Biggi / Stalk-eyed fly (Diopsidae) male, cleaning its incredibly long eye-stalks using its front legs, Kibale National Park, Uganda.
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Emanuele Biggi / Spiny terrestrial isopod (Calmanesia sp.) crawling among mosses on a fallen trunk, Mantadia National Park, Madagascar.
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Emanuele Biggi / Thorn spider (Gasteracantha versicolor formosa) hanging down from its web under a tree in the forest, Ranomafana National Park, Madagascar.
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Emanuele Biggi / Campanella fungus sprouting from a rotten stem in the Malagasy rainforest, Ranomafana National Park, Madagascar.
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Emanuele Biggi / Red-bellied lemur (Eulemur rubriventer) female, hanging on a small tree into the protected rainforest of Ranomafana National Park, Madagascar.
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Emanuele Biggi / Mushroom (Favolaschia sp.) growing on rotten branch, Ranomafana National Park, Madagascar.