Doug Gimesy / Sub-Antarctic / Brown skua (Stercorarius antarcticus) flying away with egg stolen from a Royal penguin colony (Eudyptes schlegeli), Macquarie Island, Australian Territory. December.

Ben Cranke / African fish eagle (Haliaeetus vocifer) pressurises a Saddle-billed stork (Ephippiorhynchus senegalensis) into dropping a freshly caught fish, so that it can be stolen for a meal. Liuwa Plain National...

Ben Cranke / African fish eagle (Haliaeetus vocifer) attacking a female Saddle-billed Stork (Ephippiorhyncus senegalensis )trying to steal a fish it has just caught. Liuwa Plains National Park, Zambia

David Pattyn / Magnificent Frigatebirds (Fregata magnificens) trying to steal fish from a fisherman coming on land with a fresh catch, Puerto Lopez , Santa Elena Peninsula, Manabi Province, Ecuador, July

David Pattyn / Magnificent Frigatebirds (Fregata magnificens) trying to steal fish from fishermen coming on land with a fresh catch, Puerto Lopez , Santa Elena Peninsula, Manabi Province, Ecuador, July

David Pattyn / Magnificent Frigatebirds (Fregata magnificens) trying to steal fish from fishermen coming on land with a fresh catch, Puerto Lopez , Santa Elena Peninsula, Manabi Province, Ecuador, July

Charlie Summers / Adelie Penguin (Pygoscelis adeliae) carrying stolen rock from another nest in rookery, Peterman Island, Antarctica, November.

Nick Upton / Adult Herring gull (Larus argentatus) scavenging left over food, St.Ives, Cornwall, UK, June. Editorial use only.

David Pattyn / Dalmatian pelicans (Pelecanus crispus) fighting for fish. Lake Kerkini, Greece. February. Vulnerable species.

Solvin Zankl / Brown hyena (Hyaena brunnea) stalking fur seal (Arctocephalus pusillus) pup, Sperrgebiet National Park, Namibia, December. Sequence 1/8

Sergey Gorshkov / Arctic fox (Vulpes lagopus) with Snow goose egg in mouth, mid moult from winter to summer fur, Wrangel Island, Far Eastern Russia, June.

Erlend Haarberg / Stoat (Mustela erminea) in white winter coat, trying to steal fish (trout) hanging on transparent fishing line. Vauldalen, Sor-Trondelag, Norway, April

Orsolya Haarberg,Orsolya Haarberg / Stoat (Mustela erminea) feeding on fish hanging from wire. In white winter coat. Vauldalen, Sor-Trondelag, Norway. April

Laurie Campbell / Black-headed gulls (Larus ridibundus) robbing Puffin (Fratercula arctica) of catch, Farne Islands, Northumberland, England, June

Sven Zacek / Tail of a Pine Marten (Martes martes) sticking out from a black woodpecker hole as it forages for eggs and chicks. Estonia, Europe, May.

Bence Mate / Great egret (Ardea alba) drops a fish from its beak and a Black headed gull (Larus ridibundus) flies in to catch it. Lake Csaj, Kiskunsagi NP, Hungary, January. Winner, Eric Hosking award, 2011 Wildli...

Anup Shah / Female Patas monkey {Erythrocebus patas} stealing baby and running off with it, snarling, Kenya

Shane Gross / Gentoo penguin (Pygoscelis papua) stealing rocks for its nest, Barrientos Island, Antarctica.

Shane Gross / Chinstrap penguin (Pygoscelis antarcticus) stealing a rock for his nest, Barrientos Island, Antarctica.

Shane Gross / Gentoo penguin (Pygoscelis papua) stealing rocks for his nest, Barrientos Island, Antarctica.

Milan Radisics / Red fox (Vulpes vulpes) vixen investigating bird table in garden at night, looking for food. Vertes Mountains, Hungary. The female's teats are visible in the image, showing that she was suckling cubs...

Nick Upton / Grey squirrel (Sciurus carolinensis) stealing peanuts from a garden bird feeder, Wiltshire, UK. April.

Nick Upton / Heather mining bee (Andrena fuscipes) piercing the base of Bell heather (Erica cinerea) flower to steal nectar from it, Dorset heathland, UK. July.

Jack Dykinga / Great blue heron (Ardea herodias) trying and failing to take fish from Large painted turtle (Chrysemys picta picta), Gilbert Riparian Preserve, Arizona, USA.

Jack Dykinga / Great blue heron (Ardea herodias) trying and failing to take fish from Large painted turtle (Chrysemys picta picta), Gilbert Riparian Preserve, Arizona, USA.

Doug Gimesy / Sub-Antarctic / Brown skua (Stercorarius antarcticus) stealing an egg from a Royal penguin colony (Eudyptes schlegeli), Macquarie Island Australian Territory.? December.

Doug Gimesy / Subantarctic or Brown skua (Stercorarius antarcticus) stealing an egg from a Royal penguin colony (Eudyptes schlegeli) on Macquarie Island, Australian Territory

Ben Cranke / African fish eagle (Haliaeetus vocifer) battles to keep a freshly caught fish, stolen for a meal from a Saddle-billed stork (Ephippiorhynchus senegalensis). Liuwa Plain National Park, Zambia

Ben Cranke / African fish eagle (Haliaeetus vocifer) pressurises a Saddle-billed stork (Ephippiorhynchus senegalensis) into dropping a freshly caught fish, so that it can be stolen for a meal. Liuwa Plain National...

Ben Cranke / African fish eagle (Haliaeetus vocifer) battles to keep a freshly caught fish, stolen for a meal from a Saddle-billed stork (Ephippiorhynchus senegalensis). Liuwa Plain National Park, Zambia

Ben Cranke / African fish eagle (Haliaeetus vocifer) pressurises a Saddle-billed stork (Ephippiorhynchus senegalensis) into dropping a freshly caught fish, so that it can be stolen for a meal. Liuwa Plain National...

Ben Cranke / African fish eagle (Haliaeetus vocifer) pressurises a Saddle-billed stork (Ephippiorhynchus senegalensis) into dropping a freshly caught fish, so that it can be stolen for a meal. Liuwa Plain National...

Ben Cranke / African fish eagle (Haliaeetus vocifer) pressurises a Saddle-billed stork (Ephippiorhynchus senegalensis) into dropping a freshly caught fish, so that it can be stolen for a meal. Liuwa Plain National...

Ben Cranke / African fish eagle (Haliaeetus vocifer) grabs a fish for a meal, that had recently been caught by a Saddle-billed stork (Ephippiorhynchus senegalensis), after the eagle had pressurised the stork into...

David Pattyn / Magnificent frigatebirds (Fregata magnificens) stealing fish from man carrying crate of fish, Puerto Lopez, Ecuador. Highly commended in the Garden and Urban Birds Category of the Bird photographer of...

Erlend Haarberg / Common raven (Corvus corax) in flight with Black-legged kittiwake (Rissa tridactyla) egg in beak. Varanger, Norway. June.

Terry Whittaker / Lined day gecko (Phelsuma lineata) licking lips whilst eating sugar from hotel breakfast table. Tolagnaro, Madagascar. 2019.

Ingo Arndt / Honey bee (Apis mellifera) swarm invading another Honeybee colony living wild in an abandoned Black woodpecker nest cavity to steal their honey, Germany. September.

Ingo Arndt / Dead Honey bees (Apis mellifera) on the nest hive floor after being attacked and robbed by other Honey bees, Germany.

Ingo Arndt / Honey bee (Apis mellifera) honeycomb with opened honey cells after a raid from other honey bees, Germany. July.

Ingo Arndt / Honey bee (Apis mellifera) stealing honey from an opened cell after its colony attacked another. Germany.

Ingo Arndt / Dead Honey bees (Apis mellifera) on the nest hive floor after being attacked and robbed by other Honey bees, Germany.

Ingo Arndt / Honey bee (Apis mellifera) stealing honey from an opened cell after its colony attacked another. Germany.

Ingo Arndt / Honey bee (Apis mellifera) stealing honey from an opened cell after its colony attacked another. Germany.