John Chan / Western gulls (Larus occidentalis) attacking an Elegant tern (Thalasseus elegans) with a broken wing, Southern California, USA, April.

Philippe Clement / Territorial Common raven (Corvus corax) on cliff top, tearing out vegetation, Eshaness, Northmavine, Shetland Islands, Scotland, UK, May.

Dave Bevan / Grey plover (Pluvialis squatarola) eating a marine flatworm, Norfolk, England, UK, February.

Philippe Clement / Jackdaw (Corvus monedula) pulling up a peanut string to feed, Belgium

Christophe Courteau / Male BurchellÕs zebra (Equus quagga burchellii) pulling the head of a dead pregnant female that died due to complications whilst giving birth, trying to wake her up, Etosha National Park, Namibia. Par...

Erlend Haarberg / Woman pulling a sledge up a slope, Rapadalen, Sarek National Park, Laponia, Sweden, March 2015.

Jeff Rotman / Hauling in dragger net filled with Haddock (Melanogrammus aeglefinus), Pollock (Pollachius), Dogfish (Squalidae) and Lobster (Nephropidae) Georges Bank off Massachusetts, New England, USA, May 2015. M...

Suzi Eszterhas / Proboscis Monkey (Nasalis larvatus) baby grabbing mother's nose, Sabah, Borneo, Malaysia

Richard Du Toit / African Elephant (Loxodonta africana) using trunk to pull up plants, Chobe National Park, Botswana

Mark Hamblin / 2020VISION / Jackdaw (Corvus monedula) pulling a very long twig into a small nest hole, Inverness-shire, Scotland, UK, April 2011

Markus Varesvuo / Black Grouse (Tetrao tetrix) displaying with breath vapor at dawn, Utajarvi, Finland, April

Ammonite / Small group of Wood ants (Formica rufa) carrying and pulling a large twig across woodland floor, Dorset, England, UK, April.