Joel Sartore / Photo Ark / Oriental honey-buzzard (Pernis ptilorhynchus orientalis) looking around and blinking, Bali Bird Park, Bali. Captive.
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Emanuele Biggi / Saffron-bellied frog (Chaperina fusca) eggs and tadpoles submerged in water inside plant, Lambir Hills National Park, Sarawak, Borneo.
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Emanuele Biggi / Close-up of Balearic green toad (Bufotes balearicus) male's eye, Rome, Italy.
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Emanuele Biggi / Close-up of spots on skin of Fire salamander (Salamandra salamandra), Aveto Regional Park, Italy.
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Emanuele Biggi / Close-up of Strinati's cave salamander's (Speleomantes strinatii) eye, San Bartolomeo di Savignone, Italy
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Emanuele Biggi / Close-up of Gunther's banded treefrog's (Boana fasciata) eyelids, which help with camouflage, Los Amigos Biological Station, Peru.
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Emanuele Biggi / Spiny-headed tree frog (Triprion spinosus) sitting on plant stem and looking around, Centro Manù, Costa Rica.