Reading the ring. The ornithologist delicately places a ring on the leg of the Blue Petrel (Halobaena caerulea). Gulf of Morbihan, Mayes Island, Kerguelen archipelago.

halobaena caerulea natural reserve seaside scientist ornithology adult man sit carry to overview indian ocean kerguelen islands fr three quarter shot april tag french southern and antarctic lands nature reserve halobaena blue petrel halobaena caerulea nature reserves nature reserve coasts seasides coast scientists ornithologist ornithologists ornithological ornithologicals adults men seat siting transport to hold carried carrying held holding transporting transported transportation overviews global sight global sights full length three quarter views three quarter view three quarter shots three quarter sight three quarter sights three quarter length least concern species tags tagging ring tagging rings environment protection environment management biodiversity management environment strand area scientific research science discipline stage of development individual person posture world sea and ocean taaf france european union europe iucn red list of threatened species species tagging animal tagging population management species management procellariidae procellariiformes aves sauropsida tetrapoda tetrapodomorpha rhipidistia sarcopterygii euteleostomi gnathostomata vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota petrel sea bird bird sauropsid vertebrate chordate wild animal animal