Robin Chittenden / Sooty shearwater (Ardenna / Puffinus grisea) on sea surface, Algarve, Portugal, October

Chris Gomersall / 2020VISION / Sooty shearwater (Puffinus griseus) adult in flight over Irish sea off Pembrokeshire coast, Wales, UK, August 2010. Did you know? Hitchcock's film 'The Birds' was partly inspired by an incident in Mon...

Andy Trowbridge / Sooty shearwater (Puffinus griseus) at rest on water. Kaikoura, South Island, New Zealand. April.

Andy Trowbridge / Sooty shearwater (Puffinus griseus) resting on the water. Kaikoura, South Islnad, New Zealand. April.

Brent Stephenson / Sooty shearwater (Puffinus griseus) flying low over sea, off Kaikoura, Canterbury, New Zealand, November.

Brent Stephenson / Sooty shearwater (Puffinus griseus) flying over sea, off Kaikoura, Canterbury, New Zealand, November.

Alan Murphy / Sooty Shearwater (Puffinus griseus), California

Alan Murphy / Sooty Shearwater (Puffinus griseus) taking flight, California

Alan Murphy / Sooty Shearwater (Puffinus griseus) flying, California

Avi Meir / Sooty Shearwater (Puffinus griseus) taking flight, Eilat, Israel

Brent Stephenson / Fresh plumaged Sooty shearwater (Puffinus griseus) in flight low over the water showing the upperwing. Kaikoura, Canterbury, New Zealand, November.

Brent Stephenson / Fresh plumaged Sooty shearwater (Puffinus griseus) resting on the water. Kaikoura, Canterbury, New Zealand, October.

Glenn Bartley / Sooty Shearwater (Puffinus griseus), British Columbia, Canada

Glenn Bartley / Sooty Shearwater (Puffinus griseus), British Columbia, Canada

Glenn Bartley / Sooty Shearwater (Puffinus griseus), British Columbia, Canada

Markus Varesvuo / Sooty Shearwater (Puffinus Griseus) in flight over Atlantic ocean, Madeira, August

Brent Stephenson / Sooty shearwater (Puffinus griseus) taking off from the water from above. Foveaux Strait, Southland, New Zealand

Brent Stephenson / Raft of Sooty Shearwaters (Puffinus griseus) on the sea surface, off Kayak Island, Alaska, United States, July.

Pete Oxford / Two Sooty shearwaters (Puffinus griseus) amongst Tussock Grass (Poa flabellata) Kidney Island, Falkland Islands

Pete Oxford / Sooty shearwaters (Puffinus griseus) flying, against dark clouds, Kidney Island, Falkland Islands

Pete Oxford / Sooty shearwater (Puffinus griseus) amongst Tussock grass (Poa flabellata) Kidney Island, Falkland Islands

Pete Oxford / Sooty shearwater (Puffinus griseus) stretching wings, Kidney Island, Falkland Islands

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) with mixed flock of mostly Sooty Shearwaters (Puffinus griseus) feeding, Alaska

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) surfacing, surrounded by gulls scavenging fish, vulnerable, southeast Alaska

Flip Nicklin / Sooty Shearwater (Puffinus griseus) flocking near herring schools, southeast Alaska

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) diving amid flocking seabrids that are feeding on herring, Aleutian Islands, Alaska

Flip Nicklin / Sooty Shearwater (Puffinus griseus) flocking over schooling herring, Southeast Alaska

Sue Flood / Flock of Sooty shearwaters {Puffinus griseus} and Black legged kittiwakes feeding {Rissa tridactyla)

Sue Flood / Flock of Sooty shearwaters {Puffinus griseus} and Black legged kittiwakes feeding {Rissa tridactyla)

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) diving amid flocking seabrids that are feeding on herring, vulnerable, Aleutian Islands, Alaska