Yva Momatiuk & John Eastcott / Adelie Penguin (Pygoscelis adeliae) standing on iceberg agitated, western Antarctica
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Frederique Olivier / Agitated Southern elephant seals (Mirounga leonina) fighting in a wallow before settling down, Macquarie Island, Sub-Antarctic Australia.
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Sergey Gorshkov / Arctic Fox (Alopex lagopus) running into a flock of agitated Snow Geese (Chen caerulescens) near their nests, Wrangel Island, Russia
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Yva Momatiuk & John Eastcott / Adelie Penguin (Pygoscelis adeliae) standing on iceberg agitated, western Antarctica
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Constantinos Petrinos / Pacific blue ring octopus {Octopus maculosa / lunulata} note enlarged blue rings of agitated animal; toxic species. Lembeh, Sulawesi, Indonesia. Colour change Sequence.
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Constantinos Petrinos / Pacific blue ring octopus {Octopus maculosa / lunulata} has blue rings that enlarge when agitated; toxic species. Sulawesi, Indonesia. Colour change Sequence.
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Pete Oxford / Black-tailed Prairie Dog (Cynomys ludovicianus) in agitated posture, Devil's Tower National Monument, Wyoming
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Pete Oxford / Black-tailed Prairie Dog (Cynomys ludovicianus) in agitated posture, Devil's Tower National Monument, Wyoming
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David Fleetham / Black triggerfish (Melichthys niger) resting on reef, displaying defensive colouration, Hawaii, Pacific Ocean.
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Tom Vierus / Galapagos sea lion (Zalophus wollebaeki) lying on a rock and basking in the sun. The sea lion uses the rock to scratch an itch on its neck. The animal is trying to rest but it is being disturbed by fl...