Staffan Widstrand / Dead Polar bear (Ursus maritimus) starved to death, Zeipelodden, Svalbard, Norway, September.

Charlie Summers / African elephant (Loxodonta africana) mother standing grieving over stillborn baby. Tarangire National Park, Tanzania.

Doug Gimesy / 1554 recovered Grey-headed Fly-fox (Pteropus poliocephalus) carcases collected during a heat-stress at event at Melbourne's Yarra Bend Grey-headed Flying-fox colony - about one third of those estimate...

Doug Gimesy / Portrait of 1554 recovered Grey-headed Fly-fox (Pteropus poliocephalus) carcases collected during a heat-stress at event at Melbourne's Yarra Bend Grey-headed Flying-fox colony - about one third of th...

Doug Gimesy / Park Ranger and Grey-headed Flying-fox Project Officer Stephen Brend on his way to get more supplies and coordinate rescue attempts, walks past a wheelbarrow filled with dead Grey-headed Flying-foxes...

Doug Gimesy / Grey-headed flying-fox (Pteropus poliocephalus) hanging dead between two power lines, killed by electrocution. Elwood, Victoria, Australia. March.

Tom Gilks / Genocide Memorial building, Kigali, Rwanda. April 2014.

Robin Chittenden / Scientists examining beached Sperm whale (Physeter macrocephalus) Norfolk, UK, February 2016

Robin Chittenden / Scientists examining beached Sperm Whale (Physeter macrocephalus) with blood on the beach, Norfolk, UK, February 2016.

Robin Chittenden / TV presenter Nick Baker with beached Sperm Whale (Physeter macrocephalus) Norfolk, UK, February 2016.

Robin Chittenden / Beached Sperm Whale (Physeter macrocephalus) Norfolk, UK, February 2016.

Robin Chittenden / Tail of beached Sperm Whale (Physeter macrocephalus) above the waves, Norfolk, UK, February 2016

David Tipling / Barn Owl (Tyto alba) road kill with approaching car, UK, winter.

Henley Spiers / Northern gannet (Morus bassanus) colony with several dead birds as a result of an outbreak of avian influenza (H5N1 or bird flu), Hermaness National Park, Shetland, UK, July 2022. The green fishing l...

Chris Gomersall / Corpse of dead Northern gannet (Morus bassanus), probable victim of avian influenza (bird flu). Braighe beach, Stornoway, Isle of Lewis, UK. August 2022

Konrad Wothe / Man holding shot Cuscus (Phalangeridae), baby still alive in pouch. Eastern Highlands, Papua New Guinea. 2019.

Graham Eaton / Broken dam wall of Llyn Eigiau, breached on 2nd November 1925 flooding the village of Dolgarrog and killing 16 people. Snowdonia National Park, Wales, UK. August 2019.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) and chicks dead and frozen in ice after a snowstorm, Atka Bay, Antarctica. November. Bookplate.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) dead newly-hatched chick, Atka Bay, Antarctica. August. Bookplate.

Sergio Hanquet / North African hedgehog (Atelerix algirus) run over by car. Canary islands.

Sergio Hanquet / North African hedgehog (Atelerix algirus) run over by car. Canary islands.

Doug Gimesy / DELETE-HG SIMILAR ONLINE DELETE-BG - Brushtail possum (Trichosurus vulpecula) female was found dead on the side of the road. It had probably been hit by a car and someone had moved it off the ro...

Doug Gimesy / Brushtail possum (Trichosurus vulpecula) female found dead on the side of the road, probably hit by a car and someone had moved it off the road. It still had a live joey in its pouch when found by the...

Graham Eaton / The dam wall of Llyn Eigiau, that was breached on 2 November 1925 flooding the village of Dolgarrog and killing 16 people. Dolgarrog, Snowdonia National Park, Wales, UK, August