Bence Mate / Grey heron (Ardea cinerea) and Great egret (Ardea alba) fighting over fish, Lake Csaj, Pusztaszer, Hungary, December. Winner of the Portfolio category of the Terre Sauvage Nature Images Awards competi...
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Krijn Trimbos / Great crested grebe (Podiceps cristatus) two in territorial fight, The Netherlands, March.
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Espen Bergersen / Kittiwakes (Rissa tridactyla) squabbling on ice. Svalbard, Norway. July
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Ole Jorgen Liodden / Waved albatross (Phoebastria irrorata) pair in courtship display, Espanola, Galapagos Islands. Critically endangered species.
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Ole Jorgen Liodden / Meadow pipit (Anthus pratensis) feeding young Eurasian cuckoo (Cuculus canorus), Valdres, Norway, July.
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Roy Mangersnes / Polar bears (Ursus maritimus) courting on ocean ice north of Spitsbergen, Svalbard, Norway, July.
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Sam Hobson / Peregrine falcons (Falco peregrinus), juvenile female and male in flight, fighting over prey. Bristol, UK. June.
Rolf Nussbaumer / RF- Vermilion Flycatcher (Pyrocephalus rubinus) male giving insect to female for young in nest. Lake Corpus Christi, Texas, USA. May. (This image may be licensed either as rights managed or royalty fr...