Pete Oxford / Palm weevil grubs (Rhynchophorus palmarum) harvested from Yasuni Biosphere Reserve, for sale as a local food delicacy, Pompeya Market. Amazon Rainforest, Ecuador, South America

Pete Oxford / Palm weevil grubs (Rhynchophorus palmarum) harvested from Yasuni Biosphere Reserve, for sale as a local food delicacy, Pompeya Market. Amazon Rainforest, Ecuador, South America

Pete Oxford / Palm weevil grubs (Rhynchophorus palmarum) harvested from Yasuni Biosphere Reserve, for sale as a local food delicacy, Pompeya Market. Amazon Rainforest, Ecuador, South America

Pete Oxford / Palm weevil grubs (Rhynchophorus palmarum) harvested from Yasuni Biosphere Reserve, for sale as a local delicacy, Pompeya Market. Amazon Rainforest, Ecuador, South America

Floris van Breugel / Green fluorescent proteins, naturally produced by sea anemones, emit green visible light under ultraviolet light seen here in their natural habitat under the stars on the coast of Olympic National Par...

Wild Wonders of Europe / Relanzón / Cory's Shearwater (Calonectris diomedea) in flight over sea, Canary Islands, May 2009

David Tipling / Flesh-footed shearwaters (Puffinus carneipes) and New Zealand storm petrel (Fregetta maorianus) feeding in Hauraki Gulf, New Zealand.

Eric Medard / Manx shearwater (Puffinus puffinus) taken with infrared light at night, Wales, UK.

Kim Taylor / Cory's shearwaters (Calonectris diomedea) taking off from the water. La Palma, Canary Islands.

Brent Stephenson / A flock of Hutton's shearwaters (Puffinus huttoni) taking off from the sea surface. Kaikoura, Canterbury, New Zealand, November. Endangered species.

David Tipling / Manx Shearwaters (Puffinus puffinus) gathering at dusk in St Bride's Bay, with boat in the background, off Skomer Island, Pembrokeshire, Wales, UK, August.

Mike Potts / Diving Gannet (Morus bassanus) with Manx Shearwaters (Puffinus puffinus) feeding at the surface, south coast of Anglesey, North Wales, UK.

Mark MacEwen / Wedge-tailed Shearwaters (Puffinus pacificus) pair outside nest burrow, Heron Island, southern Great Barrier Reef, Queensland, Australia. Taken with infra-red camera.

Mark MacEwen / Wedge-tailed Shearwaters (Puffinus pacificus) outside nest burrow mutual grooming at night, Heron Island, southern Great Barrier Reef, Queensland, Australia. Taken with infra-red camera.

Mark MacEwen / Wedge-tailed Shearwaters (Puffinus pacificus) at night, Heron Island, southern Great Barrier Reef, Queensland, Australia. Taken with infra-red camera.

Mark MacEwen / Wedge-tailed Shearwaters (Puffinus pacificus) outside nest burrow, Heron Island, southern Great Barrier Reef, Queensland, Australia. Taken with infra-red camera.

Roland Seitre / Road sign warning of shearwaters crossing, Mouli, Ouvea, Loyalty Islands Province, New Caledonia.