Terry Whittaker / Grey heron ( Ardea cinerea) flying to bin. Herons congregate around the fish stalls as city markets are closing, picking up scraps of food. Amsterdam, Netherlands. April.

Neil Aldridge / Urban Red fox (Vulpes vulpes) searching for food near bins in a courtyard at night, West London, United Kingdom, May 2014. Finalist in the Urban category of the Wildlife Photographer of the Year Awar...

Sam Hobson / Young urban Red fox (Vulpes vulpes) standing in front of Bristol City Council dustbins. Bristol, UK, September.

Laurent Geslin / European brown bear + cubs scavenging in rubbish bins {Ursus arctos} Brasov, Romania

Ernie Janes,Ernie Janes / Brown Rat (Rattus norvegicus) scavenging in bin. UK, May.

Laurent Geslin / Brown bear (Ursus arctos) climbing over wall to reach rubbish bins. Brasov, Romania.

Adrian Davies / Woman and children putting glass bottles in recycling bins. England, UK

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...

David Woodfall / Red litter bin washed up on Rhosilli Beach, Gower, South Wales, UK, March.

David Woodfall / Red litter bin washed up on Rhosilli Beach, Gower, South Wales, UK, March.

David Woodfall / Brown rat (Rattus norvegicus) investigating rubbish bin. Norfolk, England, UK, October.