Andrew Parkinson / Pair of Great Crested Grebes (Podiceps cristatus) during their elaborate courtship dance. March. Derbyshire, UK, March (non-ex)
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Andrew Parkinson / Pair of Mallard ducks (Anas platyrhynchos) on a lake in dawn, Derbyshire, UK. April (non-ex)
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Staffan Widstrand / Two Cheetahs (Acinonyx jubatus) touching noses in greeting display, Serengeti NP, Tanzania, East Africa, January
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Staffan Widstrand / Two Masai Giraffes (Giraffa camelopardalis tippelskirchii) heads silhouetted against sky, above tree line at dusk, Serengeti NP, Tanzania, East Africa, January
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Stephen Dalton / Red rose (Rosa sp), petal whorl, flower
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Paul Hobson / Two Mute swan (Cygnus olor) cygnets, Dorset, UK
Pete Oxford / Waved Albatross (Phoebastria irrorata) courtship, Punta Cevallos, Espaola Island, Galapagos Islands, Ecuador, South America. Endemic, Critically endangered
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Ross Hoddinott / RF- Beech (Fagus) and Bluebell (Hyacinthoides non-scripta) woodland at Lanhydrock, Cornwall. UK. (This image may be licensed either as rights managed or royalty free.)
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri) pair in courtship under moonlit sky, in breeding colony. Atka Bay, Antarctica. May.
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Danny Green / RF - Red Grouse (Lagopus lagopus scotica) among heather. Scotland. August (This image may be licensed either as rights managed or royalty free.)
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Ross Hoddinott / RF - Green-veined white butterfly (Pieris napi) on Ladies smock (Cardamine pratensis), in-camera double exposure to create soft focus effect, Cornwall, UK. May.