Tony Phelps / Cape cobra (Naja nivea) emerging from a Cape gerbil (Gerbilliscus afra) burrow, hunting and smelling with its tongue, De Hoop Nature Reserve, Western Cape, South Africa, January.
Tony Phelps / Cape cobra (Naja nivea) hunting, chasing a Cape gerbil (Gerbilliscus afra), De Hoop Nature Reserve, Western Cape, South Africa, December.
Dong Lei / Black lipped pika (Ochotona curzoniae ) outside of nest hole, Serxu, Shiqu county, Sichuan Province, Qinghai-Tibet Plateau, China. August 2010.
Tui De Roy / Little blue / fairy penguin (Eudyptula minor) pair courting near nesting burrow, Neck Game Reserve, Bruny Island, Tasmania, Australia, December.
Tui De Roy / Little blue / fairy penguin (Eudyptula minor) walking on pathway to nesting burrows, Neck Game Reserve, Bruny Island, Tasmania, Australia, December.
Ammonite / Two male Mining bees (Andrena praecox) trying to reach a female bee in a hole, France, March.
Ammonite / Two male Mining bees (Andrena praecox) attacking a third male bee emerging from a hole with orchid pollinia attached, France, March.
Neil Aldridge / Meerkat (Suricata suricatta) standing and keeping watch while another excavates a burrow in soft sand before disappearing underground for the night. Makgadikgadi Pans, Botswana, April.
Yukihiro Fukuda / Japanese giant salamanders (Andrias japonicus) males in a burrow at the time of spawning, Kurokawa River, Hyougo, Japan, September
Tony Phelps / Cape Cobra (Naja nivea) female snake emerging from burrow. The snake often lives in abandoned mammal nests. deHoop Nature Reserve, Western Cape, South Africa.
Ben Hall / European rabbits (Oryctolagus cuniculus) juveniles emerging from burrow, Cheshire, UK May
Andy Sands / Digger Wasp (Cerceris arenaria) emerging from burrow where it stores insects, paralysed to feed the wasp's larvae. London, England, UK, July.
Andy Sands / Digger Wasp (Cerceris arenaria) carrying large weevil back to burrow, paralysed as food for larvae. London, England, UK, July.
Roland Seitre / Black-footed Ferret (Mustela nigripes) seen in its burrow. The species is endangered on account of prey depletion and vulnerability to foreign infection. Declared extinct in the wild in 1987, a succes...
Nick Garbutt / Atlantic puffins (Fratercula arctica) gathering around burrows on cliff top, Isle of Lunga, Treshnish Isles, Isle of Mull, Scotland, UK, June
Alex Mustard / 2020VISION / Puffin (Fratercula arctica) by entrance to its burrow amongst flowering Sea thrift (Armeria maritima) Sumburgh Head, Shetland Islands, Scotland, UK, June 2011
Ben Hall / 2020VISION / Young European rabbit (Oryctolagus cuniculus) sitting in long grass, Murlough Nature Reserve, Co Down, Northern Ireland, UK, June. Did you know? Only female rabbits burrow.
Thomas Rabeil / Fennec Fox (Fennecus / Vulpes zerda) sitting in the entrance to its burrow. Dilia Achetinamou Niger, Africa.
Thomas Rabeil / Fennec Fox (Fennecus / Vulpes zerda) looking out from its burrow. Dilia Achetinamou Niger, Africa.
David Welling / Utah Prairie Dog (Cynomys parvidens) standing on watch outside their burrow. Bryce Canyon National Park, Utah, USA, August.
Edwin Giesbers / European Rabbit (Oryctolagus cuniculus) coming out of burrow in warren. The Netherlands, May.
Paul Hobson / Portrait of Puffin (Fratercula arctica) in nest burrow, Shetland, Scotland, UK, July
Charlie Summers / Three Western Black-tailed Prairie Dogs (Cynomys ludovicianus) at entrance to burrow. Cheyenne River drainage south of Hot Springs, South Dakota, USA
Floris van Breugel / Burrowing Owls (Athene cunicularia) breeding pair standing near the entrance to their burrow, at sunset, Salton Sea, California, USA.
Floris van Breugel / Burrowing Owl (Athene cunicularia) standing at entrance to burrow, and watching a Red-tailed Hawk circling above. Salton Sea, California, USA.
Stephen Dalton / Earthworm (Lumbricus terrestris) in burrow, exposed in sectioned topsoil, England, UK
David Kjaer / Sand martin (Riparia riparia) juvenile at entrance to nest burrow, Worcesrtershire, England, July
Andy Rouse / Puffin (Fratercula arctica) carrying feather to burrow, Fair Isle, Shetland Islands, UK