Edwin Giesbers / RF- Grevy zebra (Equus grevyi) curious head portrait, captive. (This image may be licensed either as rights managed or royalty free.)
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Doug Perrine / RF- Young Steller's / Steller / Northern Sealions (Eumetopias jubatus) curiously approaching photographer. Glacier Island, Columbia Bay, Alaska, USA. July. (This image may be licensed either as rights...
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Tony Heald / RF- Cape gannets (Sula / Morus capensis) in flight. Lamberts bay, South Africa. (This image may be licensed either as rights managed or royalty free.)
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Yva Momatiuk & John Eastcott / Atlantic Puffin (Fratercula arctica) gaping, a behavior used to defend their personal space, summer breeding season, Newfoundland, Canada
