The two ornithologists take the Blue Petrels (Halobaena caerulea) being monitored from their burrows, then release them there after carrying out the required measurements. Gulf of Morbihan, Mayes Island, Kerguelen archipelago.

halobaena caerulea natural reserve population management scientist ornithology woman man measure to burrow high angle view overview indian ocean kerguelen islands fr seek april take french southern and antarctic lands nature reserve halobaena blue petrel halobaena caerulea nature reserves nature reserve populations managements scientists ornithologist ornithologists ornithological ornithologicals women men measured measuring burrows high angle shot overhead shots overhead shot overhead sight overhead sights overhead view overhead views overviews global sight global sights full length least concern species pursuits detections pursuit detection quests seeked seeking quest seekings seeks detect detecting detectings taking taking away environment protection environment management biodiversity management environment species management scientific research science discipline person individual animal construction world sea and ocean taaf france european union europe iucn red list of threatened species species 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