Kirkendall-Spring / Cottonwood (Populus sp.) trees reflecting on the Lamar River in winter, Lamar Valley, Yellowstone National Park, Wyoming, USA. February, 2015.
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David Welling / Cottonwood trees (Populus fremontii) and young Willows (Salix sp.) growing beside river, Lamar valley, Yellowstone National Park, Wyoming, USA.
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Roland Seitre / Red-winged parrot (Aprosmictus erythropterus) natural pied mutant colour morph, landing in farmland to feed, Northern Territory, Australia.
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Roland Seitre / Eclectus parrot (Eclectus roratus) male, feeding on figs, Bali Bird Park, Indonesia. Captive.
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Daniel Heuclin / Coyote gourd (Cucurbita foetidissima) growing in dry ground, near San Simon, Arizona, USA. May.
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Daniel Heuclin / Coyote gourd (Cucurbita foetidissima) growing in dry ground, near San Simon, Arizona, USA. May.
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Daniel Heuclin / Coyote gourd (Cucurbita foetidissima) growing in dry ground, near San Simon, Arizona, USA. May.
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Claudio Contreras / Senita cactus (Lophocereus schottii) in evening sunlight with El Colorado volcano in background, El Pinacate Biosphere Reserve, Sonoran desert, northwest Mexico.
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Claudio Contreras / Teddy-bear cholla (Cylindropuntia bigelovii) at sunrise, El Pinacate Biosphere Reserve, Sonoran desert, Mexico.
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Claudio Contreras / Rainbow hedgehog cactus (Echinocereus rigidissimus) close up, Los Ojos Ranch, Sonora, Mexico.
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Claudio Contreras / Ocotillo (Fouquieria splendens), Teddy-bear cholla (Cylindropuntia bigelovii) and Saguaro cactus (Carnegiea gigantea) in volcanic ash field, El Pinacate Biosphere Reserve, Sonoran desert, Mexico.
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Claudio Contreras / Teddy-bear cholla (Cylindropuntia bigelovii) at dawn, El Pinacate Biosphere Reserve, Sonoran desert, Mexico.
