Birds
File:Ardenna gravis (Great Shearwaters) & Thalasseus acuflavidus (Cabot's Tern), off Cape Canaveral, Florida 80.jpg

Great Shearwater

Great Shearwater

100
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Not yet spotted on Fladder
Spotted
A large, robust shearwater with a distinctive dark cap, white collar, and dark belly patch. It undertakes a unique clockwise migration circuit in the Atlantic Ocean, making it a distinctive pelagic sight.
Where to spot
Breeds on remote islands in the South Atlantic (Tristan da Cunha, Gough Island). Migrates northward in the North Atlantic during the boreal summer and autumn, often reaching as far as Canada and northern Europe.
How to spot
Look for its relatively large size, dark cap, white hind-neck collar, and a noticeable dark belly patch. Its flight is powerful, with long glides and purposeful wingbeats, often seen far offshore.
When to spot
Primarily observed in the North Atlantic during the boreal summer and autumn (June-October) as they migrate. Breeding occurs in the austral summer on their remote island colonies.
grote pijlstormvogel boven water
File:Ardenna gravis (Great Shearwaters) & Thalasseus acuflavidus (Cabot's Tern), off Cape Canaveral, Florida 80.jpg
File:Great shearwater (Ardenna gravis) 2017.jpg
File:Greater shearwater (Ardenna gravis) Sagres.jpg
File:Greater shearwater (Ardenna gravis) in flight Sagres.jpg
File:Greater shearwater (Ardenna gravis) in flight Sagres 2.jpg
grote pijlstormvogel boven water
Credits: By Charles J. Sharp - Own work, from Sharp Photography, sharpphotography.co.uk, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=125432055
File:Ardenna gravis (Great Shearwaters) & Thalasseus acuflavidus (Cabot's Tern), off Cape Canaveral, Florida 80.jpg
Credits: Wikimedia Commons
File:Great shearwater (Ardenna gravis) 2017.jpg
Credits: Wikimedia Commons
File:Greater shearwater (Ardenna gravis) Sagres.jpg
Credits: Wikimedia Commons
File:Greater shearwater (Ardenna gravis) in flight Sagres.jpg
Credits: Wikimedia Commons
File:Greater shearwater (Ardenna gravis) in flight Sagres 2.jpg
Credits: Wikimedia Commons
Great Shearwaters often feed in large, often spectacular, flocks at sea, sometimes forming 'rafts' of thousands of birds on the water surface, indicating abundant prey.
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