Juergen Freund / Chambered nautilus (Nautilus pompilius) with radio transmitter, Indo-pacific
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Juergen Freund / Richard Fitzpatrick releases Grey reef shark {Carcharhinus amblyrhynchos} after inserting transmitter into its belly, as part of the Coral Reef census, Lizard Island, Queensland, Australia, April 2008
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Peter Cairns / naturepl.com / Close up of leg rings on Eurasian Crane (Grus grus), Hornborga, Sweden, April
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Wild Wonders of Europe / Geslin / Peregrine falcon (Falco peregrinus) chicks, one being put back in nest after being ringed, Sagrada familia cathedral, Barcelona, Spain, April 2009
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Wild Wonders of Europe / Geslin / Peregrine falcon (Falco peregrinus) chick with new rings, Sagrada familia cathedral, Barcelona, Spain, April 2009
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Wild Wonders of Europe / Oxford / Wild Iberian lynx (Lynx pardinus) male, one year, with GPS tracking collar, sitting, Sierra de Andjar Natural Park, Mediterranean woodland of Sierra Morena, north east Jan Province, Andalusia, Spain,...
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Wild Wonders of Europe / Unterthiner / Young Eleonora's falcon (Falco eleonorae) being ringed by researchers from the Hellenic Ornithological Society, Andros, Greece, September 2008
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Steven Kazlowski / Curious subadult Polar bear (Ursus maritimus) tagged 300-400 lb. along the Arctic coast during the autumn freeze up, 1002 area of the Arctic National Wildlife Refuge, Beaufort Sea, Alaska, October 200...
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Jose B. Ruiz / Alpine chough (Pyrrhocorax graculus) on snow, Picos de Europa, Cantabria, Spain
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John Cancalosi / White faced Domestic sheep {Ovis aries} wearing collar with bell, Switzerland, Europe
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John Cancalosi / Researcher tagging White stork chicks at nest {Ciconia ciconia} Spain
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Jabruson / Fitting radio collar to White rhinoceros, Garamba NP, Democratic Republic of Congo.
