Ingo Arndt / Aerial view of Hardy Reef, Great Barrier Reef, Queensland, Australia, December 2010.
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Ingo Arndt / Aerial view of Hardy Reef, Great Barrier Reef, Queensland, Australia, December 2010.
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Alex Hyde / Hourglass treefrog (Dendropsophus ebraccatus) male with inflated vocal sac calling at night, Central Caribbean foothills, Costa Rica
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Alex Hyde / Lowland tropical rainforest understory vegetation dominated by (Cyclanthaceae) plants, Osa Peninsula, Costa Rica
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Alex Hyde / Yellow-flecked glassfrogs (Sachatamia albomaculata) mating pair, Osa Peninsula, Costa Rica
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Alex Hyde / Silk moth (Automeris zugana) sequence 1 of 2, photographed on a white background in mobile field studio, Cordillera de Talamanca mountain range, Caribbean Slopes, Costa Rica.
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Alex Hyde / Silk moth (Automeris zugana) sequence 2 of 2, with wings open to reveal eyespots, a means of deterring predators, photographed on a white background in mobile field studio, Cordillera de Talamanca mou...
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Alex Hyde / Spined glassfrog (Teratohyla spinosa) Central Caribbean foothills, Costa Rica.
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Tony Wu / Pygmy blue whale (Balaenoptera musculus brevicauda) swimming in blue water, Sri Lanka, Indian Ocean.
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Tony Wu / Humpback whale (Megaptera novaeangliae) male with his penis extended. Vava'u, Tonga. South Pacific.
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Tony Wu / Humpback whale (Megaptera novaeangliae) male calf with his mother. Vava'u, Tonga. South Pacific.
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Tony Wu / Humpback whale (Megaptera novaeangliae) rear view, taken while the whale was staying still and singing. Hunga Channel. Vava'u, Kingdom of Tonga, Pacific Ocean.