Nigel Marven / Solander's petrel {Pterodroma solandri} on Lord Howe Island, Australia

Eladio Fernandez / Black-capped petrel (Pterodroma hasitata) found on the road to Valle Nuevo National Park, Dominican Republic

Eladio Fernandez / Black-capped petrel (Pterodroma hasitata) chick at nest burrow Loma del Toro, Dominican Republic

Sylvain Cordier / Bonin petrel (Pterodroma hypoleuca), Sand island, Midway Atoll National Wildlife Refuge, Hawaii

Rob Drummond/ BIA / White-headed Petrel (Pterodroma lessonii) flying, Victoria, Australia

Rob Drummond/ BIA / Great-winged Petrel (Pterodroma macroptera) flying, Victoria, Australia

Julian Hume / Illustration of extinct Lesser hawaiian petrel (Pterodroma jugabilis) leaving their nesting burrows from high in the mountains on Oahu and Hawaii to forage at sea.

Nate Chappell/ BIA / Galapagos Petrel (Pterodroma phaeopygia) flying over ocean, Galapagos Islands, Ecuador

Ole Jorgen Liodden / Soft-plumaged petrel (Pterodroma mollis mollis) in flight at sunset, with rays of light shining from clouds, near Antipodes Island, Sub-Antarctic New Zealand, March.

Brent Stephenson / Mottled petrel (Pterodroma inexpectata) showing the distinctive underwing and body pattern, Stewart Island, New Zealand, January.

Brent Stephenson / Black-winged petrel (Pterodroma nigripennis) in flight at sea, showing the underwing pattern. Off the Three Kings, Far North, New Zealand, March.

Brent Stephenson / Pycroft's petrel (Pterodroma pycrofti) in flight against a blue sky, showing the underwing. Mercury Islands, Coromandel, New Zealand, February. Vulnerable species.

Peter Cairns / 2020VISION / Stormy light over bog, Glenfeshie, Cairngorms NP, Highlands, Scotland, UK, August 2010. 2020VISION Book Plate.