Sooty shearwater / Dunkler Sturmtaucher (Ardenna grisea)

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Wikipedia: Sooty shearwater Source: OTHER 1200px-Puffinus_griseus_in_flight_-_SE_Tasmania.jpg
Classification: Genus Ardenna; Family Shearwaters and petrels (Procellariidae)
This bird appears across the great seas in the following continents: Europe, South America, Africa.
General: The sooty shearwater (Ardenna grisea) is a medium-large shearwater in the seabird family Procellariidae. Ardenna was first used to refer to a seabird by Italian naturalist Ulisse Aldrovandi in 1603, and grisea is medieval Latin for "grey".[2] [more]
Vocalization: Mostly heard at breeding ground. A peculiar, rhythmic, coarse moaning, with a disyllabic attack, followed by a deeper, cooing "in-breath". [Link]
Physical details: length=40-51 cm, wingspan=94-109 cm, weight=666-978 g

🔍 No documented observation