Peter Cairns / 2020VISION / Grey seal (Halichoerus grypus) bull with reflections on water of harbour lights, Shetland Isles, Scotland, UK, June 2010. Photographer quote: 'This 'seal on fire' is actually bobbing in a harbour and...
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Brent Stephenson / White-faced storm petrel (Pelagodroma marina hypoleuca) feeding by bouncing on the surface of the sea, off Madeira, North Atlantic. May.
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Daniel Heuclin / Northern Chuckwalla (Sauromalus obesus) male 'pumping', Joshua's Tree National Monument, California, USA
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Benoit Stichelbaut / "Linuen" cardinal marker buoy in the Bay de Concarneau, Brittany, France
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Brent Stephenson / Short-tailed Shearwater (Puffinus tenuirostris) bobbing in the waves. Off Kaikoura, Canterbury, New Zealand, October.
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LYNN M. STONE / Trumpeter Swan (Cygnus buccinator) pair "bobbing" to feed. St. Croix River, Wisconsin, USA, February.
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Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) breeding male head bobbing and open mouth threat displaying, Galapagos Islands, Ecuador
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Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) breeding male head bobbing and open mouth threat displaying, Galapagos Islands, Ecuador
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Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) breeding male head bobbing and open mouth threat displaying, Galapagos Islands, Ecuador
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Pete Oxford / Iguanid lizards (Oplurus cuvieri) Two males fighting for territory. Ankarafantsika Strict Nature Reserve, Western dry-deciduous forest. MADAGASCAR . These are medium sized iguanas. This sub-group of t...
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LYNN M. STONE / Canada Goose bobbing for food, upending {Branta canadensis} Illinois, USA
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Pete Oxford / Marine iguana {Amblyrhynchus cristatus} head bobbing, Fernandina Is, Galapagos Islands, Ecuador
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Onne van der Wal / Fishing net trap floats bobbing on still waters off Newport, Rhode Island, USA.
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Tui De Roy / Galapagos Pink Land Iguana (Conolophus marthae) head bobbing and open mouth threat display, Isabella Island, Galapagos Islands, Ecuador
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Premaphotos / Robber fly (Cyrtopogon ruficornis) male (right) bobbing his abdomen in a courtship dance in front of the female, France
