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.

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) dominant male silverback 'Makumba' aged 32 years approaching a river while sub-adult female 'Mosoko' aged 8 years and juvenile male 'Mobangi' aged 5 y...

Terry Whittaker / 2020VISION / Grey heron (Ardea cinerea) amongst visitors in Regent's Park, London, UK, April 2011. Photographer quote: 'It was fascinating to watch public reaction to the large numbers of herons in London's parks...

David Welling / Utah Prairie Dog (Cynomys parvidens) standing on watch outside their burrow. Bryce Canyon National Park, Utah, USA, August.

Fred Bavendam / Goby (Amblyeleotris sp) keeping watch while a Snapping Shrimp (Alpheus randalli) excavates their shared burrow, Bali, Indonesia

Konrad Wothe / Gray Whale (Eschrichtius robustus) breaching while tourists watch, Mexico

DOC WHITE / Boy and girl watch Beluga whale {Delphinapterus leucas} at Mystic Aquarium, Connecticut, USA. Model released White whales

Angela Scott / 'Zawadi' leopard on watch up on rocks {Panthera pardus} Masai Mara NR, Kenya, East Africa. BIG CAT DIARY

Jeff Rotman / Divers watch Caribbean reef shark {Carcharhinus perezi} Bahamas, Caribbean. Model released.

David Tipling / Fiona Burrows from BirdLife Malta and ALE (Administrative Law Enforcement) Officer monitoring illegal Turtle Dove (Streptopelia turtur) trappers on hillside, during BirdLife Malta Spring Watch Camp,...

David Tipling / Fiona Burrows from BirdLife Malta and ALE (Administrative Law Enforcement) Officer monitoring illegal Turtle Dove (Streptopelia turtur) trappers on hillside, during BirdLife Malta Spring Watch Camp,...

Neil Aldridge / Meerkat (Suricata suricatta) keeps watch at the entrance to a burrow as the sun sets over the Kalahari, Botswana, April.

Neil Aldridge / Meerkat (Suricata suricatta) keeps watch at the entrance to a burrow as the sun sets over the Kalahari, Botswana, April.

Mark Carwardine / Tourists in small boat watch Grey whale (Eschrichtius robustus) spyhopping, San Ignacio Lagoon, Baja California, Mexico, February 2007

Mark Carwardine / Tourists watch wounded Leopard seal on ice {Hydrurga leptonyx} Antarctica.

Mark Carwardine / Divers in cage watching Great white sharks, Dyer Is, Western Cape, South Africa

Steven Kazlowski / Inupiaq subsistence whalers in their umiak - bearded seal skin boat - watch a polar bear (Ursus maritimus) sow and cub travel along the edge of the open lead in the pack ice, during spring whaling sea...

Nick Upton / 2020VISION / Entomologist Pete 'The Bug Man' Dawson sweeping for insects during Arnos Vale Cemetery Bioblitz as members of the public watch, Bristol, UK, May 2012

Nick Upton / 2020VISION / Entomologist Pete 'The Bug Man' Dawson describing insect behaviour to children during Arnos Vale Cemetery Bioblitz as children watch, Bristol, UK, May 2012 Model released.

Roland Seitre / Road sign warning drivers to watch their speed in areas inhabited by the Iberian / Spanish Lynx (Lynx pardina). Sierra Morena, Andalusia, Spain, June 2006.

Roland Seitre / Road sign warning drivers to watch their speed in areas inhabited by the Iberian / Spanish Lynx (Lynx pardina). Sierra Morena, Andalusia, Spain, June 2007.

Roland Seitre / Road sign warning drivers to watch their speed in areas inhabited by the Iberian / Spanish Lynx (Lynx pardina). Sierra Morena, Andalusia, Spain, June 2006.

Philip Stephen / Fishermen watch the sun go down from a fishing vessel in the North Sea

Rick Tomlinson / "Green Dragon" Watch leader Neal Mc Donald (GBR) during in-port race training in Alicante, Spain, for the 10th Volvo Ocean Race 2008-2009. For EDITORIAL USE only.

Rick Tomlinson / Watch leader Magnus Olsson (SWE) on "Ericsson 3", which finished third on leg one of the Volvo Ocean Race into Cape Town, November 2008. 10th Volvo Ocean Race, 2008-09. For EDITORIAL USE only.

Rick Tomlinson / Watch leader Magnus Olsson (SWE) with his two sons on "Ericsson 3", which finished third on leg one of the Volvo Ocean Race into Cape Town, November 2008. 10th Volvo Ocean Race, 2008-09. For EDITORIAL...

Rick Tomlinson / Watch leader Magnus Olsson (SWE) on "Ericsson 3", which finished third on leg one of the Volvo Ocean Race into Cape Town, November 2008. 10th Volvo Ocean Race, 2008-09. For EDITORIAL USE only.

Nick Upton / 2020VISION / Visitors gathered at Ham Wall RSPB reserve at sunset to watch Common starlings (Sturnus vulgaris) coming to roost in reed beds, listening to a warden describing the behaviour, Somerset Levels, UK, Jan...

Peter Cairns / 2020VISION / Tourists on a boat trip to watch White-tailed sea eagles, near Skye, Inner Hebrides, Scotland, UK, June 2011

Sven Zacek / Small headland and watch-tower in lowland forested landscape. Hiiumaa Island, Estonia, Europe, April.

Terry Whittaker / 2020VISION / Children Charlie and Amelia Freeman and Oliver and Amber Williams with mothers D Williams and Lisa Freeman watch peregrines through telescopes. RSPB 'Date With Nature Event' for learning about urban P...

Ernie Janes / Sea thrift flowering and washed up starfish in from of The Watch House, Blakeney Point, North Norfolk, UK, May

Andrew Parkinson / Puffin (Fratercula arctica) comes into land with some sandeels, as a mother and her son watch nearby. Farne Islands, Northumberland, UK, May.

Ernie Janes / Tourists watch nesting colony of Australasian gannets (Morus serrator) at Cape Kidnappers, North Island, New Zealand, February

Ernie Janes / Visitors watch Common seals (Phoca vitulina) and Grey seals (Halichoerus grypus) on Winterton Beach, Norfolk, UK, Winter

Terry Whittaker / 2020VISION / Visitors watch the Manton Bay osprey pair and talk with Leicester and Rutland Wildlife trust volunteers in the waderscrape hide at sunset, Lyndon Visitor Centre, Rutland Water, Rutland, UK, April 2011

Terry Whittaker / 2020VISION / Visitors watch the Manton Bay Ospreys (Pandion haliaetus) on live web cam in the Lyndon Visitor Centre, Rutland Water, Rutland, UK, April 2011

Terry Whittaker / 2020VISION / Visitors watch the Manton Bay Ospreys (Pandion haliaetus) on live web cam in the Lyndon Visitor Centre, Rutland Water, Rutland, UK, April 2011

Terry Whittaker / 2020VISION / Visitors watch the Manton Bay Ospreys (Pandion haliaetus) on live web cam in the Lyndon Visitor Centre, Rutland Water, Rutland, UK, April 2011

Terry Whittaker / 2020VISION / Environmental students watch the live Osprey web cam at the Lyndon Visitor Centre, Rutland Water, Rutland, UK, April 2011

Terry Whittaker / 2020VISION / Visitors watch the Manton Bay osprey pair and talk with Leicester and Rutland Wildlife trust volunteers in the waderscrape hide at sunset, Lyndon Visitor Centre, Rutland Water, Rutland, UK, April 2011

Bryan and Cherry Alexander / Polar bear (Ursus maritimus) feeding on a dead seal as gulls watch. Spitsbergen, Svalbard, Norway, June.

Bryan and Cherry Alexander / Saami Reindeer herder and his son keeping watch over reindeer at their winter pastures on the tundra near Kautokeino. Finnmark, North Norway, March 2007.

John MacPherson / 2020VISION / People in dinghy watch a Bottlenose dolphin (Tursiops truncatus) breaching behind their boat, Moray Firth, Inverness-shire, Scotland, UK, July, Note: Severe crop - web use or small repro only

John MacPherson / 2020VISION / Group of sea kayakers watch Bottlenose dolphins breaching in evening light, Moray Firth, Inverness-shire, Scotland, UK, July

Martin Gabriel / Tourists watch Bottlenosed dolphins in shallows. Monkey Mia, Shark Bay, Western Australia

Diane McAllister / Coyote (Canis latrans) mousing in a field of winter grasses pauses to watch the photographer. Lemmon Valley, Nevada, USA, January

Diane McAllister / Black-tailed deer (Odocoileus hemionus columbianus), subspecies of the Mule deer. This young buck eating grass pauses to watch the photographer on a trail in Point Reyes National Seashore. California,...

Nick Upton / 17th century Genoese watch tower perched on volcanic rock (rhyolite porphyry) headland, within a UNESCO World Heritage site and Corsica's National Park (Parc Naturel Regional de Corse). Corsica, Franc...

Nick Upton / 17th century Genoese watch tower perched on volcanic rock (rhyolite porphyry) headland, within a UNESCO World Heritage site and Corsica's National Park (Parc Naturel Regional de Corse). Corsica, Franc...

David Welling / Utah Prairie Dogs (Cynomys parvidens) standing on watch outside their burrow. Bryce Canyon National Park, Utah, USA, August.

Troels Jacobsen/Arcticphoto / Tourist zodiacs watch Subantarctic Fur Seals (Arctocephalus tropicalis) on the shore. Quest Bay, Gough Island, South Atlantic Islands, March 2007.

Peter Cairns / Young family looking through telescope at peregrine falcons as part of RSPB Peregrine Watch. Manchester, England, May.

Peter Cairns / RSPB information stand (Peregrine Watch) set up in Manchester's city centre. England, UK, May 2007.

Florian Möllers / Children watch and photograph Wild boar (Sus scrofa) sow and piglets foraging in a city beside road, Argentinischen Allee, Berlin, Germany, March 2007

Mary McDonald / Ringed Kingfisher (Ceryle / Megaceryle torquata) perched on a "watch point" hunting for fish, Pantanal, Brazil, August

Angelo Gandolfi / A medieval watch tower. Torre dello Zenobito. Capraia island, National Park of the Tuscany archipelago, Italy, May 2010

Tim Laman / Large Jack fish (Carangoides auroguttatus) and a Napolean wrasse (Labridae) watch a hunting White Tip Reef shark (Triaenodon obesus) with Fusiliers school in the background, on a reef in the Raja Ampa...

Pete Oxford / Pantanal cowboys 'Boiadeiro' often decorate their clothing and horses and tack with pieces of metal. This cowboy has soda can tops on his chaps and an old watch strap secures his pistol in place. Mato...

Neil Lucas / Crew watch heavy machinery drilling through the ice to create an ice-hole for BBC filming crew, McMurdo Sound, Ross Sea, Antarctica, November 2008

Philip Stephen / Crewmen watch as a bag full of Hake (Merluccius sp) is winched alongside. North Sea, May 2010. Property and model released.

Stephen Dalton / Death-watch beetle (Xestobium rufovillosum) on wood, UK

Kirkendall-Spring / Ki'i / wooden images stand watch at Pu'uhonua o Honaunau National Historic Park. The Big Island of Hawaii, USA, December 2008

Stephen Dalton / Death-watch beetle (Xestobium rufovillosum) tapping on wood to attract a mate, UK

David Woodfall / Woman hanging her washing, pauses to watch the bore and pleasure craft. Severn Estuary. England, August 2009

David Woodfall / Woman pauses from hanging washing, to watch the bore and pleasure craft. Severn Estuary. England, August 2009

David Woodfall / Spectators line up to watch surfers on Severn bore. Severn Estuary. England, August 2009

Luiz Claudio Marigo / Three children watch a pet Wattled Curassow (Crax globulosa), an endangered species, Piagacu-Purus Sustainable Development Reserve, Purus River, Amazonas State, Brazil. April 2004.

David Woodfall / Ecological tourism / education as visitors watch Choughs (Pyrrhocorax pyrrhocorax) from the sea, thus preventing disturbance to the colony, Gower, Wales, UK, June 2009

Wild Wonders of Europe / Campbell / Visitors and local people gathering to watch and photograph Bottlenosed dolphins (Tursiops truncatus) on an incoming tide at Chanonry Point, Moray Firth, Nr Inverness, Scotland, May 2009

Wild Wonders of Europe / Campbell / Visitors and local people gathering to watch Bottlenosed dolphins (Tursiops truncatus) on an incoming tide at Chanonry Point, Moray Firth, Nr Inverness, Scotland, May 2009

Jeff Vanuga / Cross Country Skier's pause to watch Bison {Bison bison} moving through the Upper Geyser Basin in winter, Yellowstone National Park, Wyoming, USA, January 2008

Fred Bavendam / Metallic Shrimp-goby (Amblyeleotris latifasciata) keeps watch while its Snapping Shrimp (Alpheus sp) partner works on their burrow, Bali, Indonesia

Steven Kazlowski / An Inupiaq whaling crew at the edge of an open lead in the pack ice wait behind a snow blind and watch for passing whales during spring whaling season, off the Arctic coastal village of Point Hope, Ch...

Steven Kazlowski / An Inupiaq whaling crew at the edge of an open lead in the pack ice wait behind a snow blind and watch for passing whales during spring whaling season, off the Arctic coastal village of Point Hope, Ch...

Steven Kazlowski / An Inupiaq whaling crew at the edge of an open lead in the pack ice waiting behind a snow blind and watch for passing whales during spring whaling season, with a Beluga / White whale (Delphinapterus l...

Steven David Miller / A sign warns drivers to watch for passing Malle fowl; one of the species that has been reintroduced to the park under Project Eden, Peron Road, Francois Peron National Park, Western Australia

Rob Cousins / Spectators at the Bristol Harbour Festival watch as Bristol Ferryboat Company ferry passes. August 2008

Michele Westmorland / Guide preparing evening drinks for tourists as they watch the sunset, Sossusvlei, Namib-Naukluft National Park, Namibia

Luiz Claudio Marigo / Tourists watch Maned wolf (Chrysocyon brachyurus) being fed at the Caraasa Natural Park, Minas Gerais State, Brazil.

Luiz Claudio Marigo / Tourists watch Maned wolf (Chrysocyon brachyurus) being fed by hand at the Caraasa Natural Park, Minas Gerais State, Brazil.

Oriol Alamany / Rainbow over the patagonian steppe and a sign "Watch and preserve" for the protection of Darwin's Rhea or Choique (Pterocnemis pennata) near El Chalten, Los Glaciares National Park, Patagonia, Argenti...

Roger Powell / Pair of Whooper Swans {Cygnus cygnus} feeding on newly emergent vegetation. One keeps watch while the other plunges head into water, Varanger, Norway

Yva Momatiuk & John Eastcott / Guanaco (Lama guanicoe) grazing on grassy slope with dominant male keeping watch of its herd, Torres del Paine National Park, Chile

Solvin Zankl / Swimmers watch Blackfooted / jackass penguin (Spheniscus demersus) on Boulders beach, South Africa

Carol Walker / Wild horse / mustang group of mares watch over a foal, McCullough Peaks, Wyoming, USA

Nick Garbutt / Tourists watch Stellar's Sea Lions (Eumetopias jubatus) on off-shore rocks near Princess Royal Island, Great Bear Rainforest, British Columbia, Canada.

Pete Oxford / Tourists watch Land Iguana (Conolophus subcristatus) Urbina Bay, Isabela Is, Galapagos

Pete Oxford / Tourists watch African Elephants in river {Loxodonta africana} at sunset, Chobe NP, Botswana

Suzi Eszterhas / Leopard Seal (Hydrurga leptonyx) swiming near Adelie Penguins (Pygoscelis adeliae) on ice floe as penguins watch, Paulet Island, Antarctica

Suzi Eszterhas / Leopard Seal (Hydrurga leptonyx) circling Adelie Penguins (Pygoscelis adeliae) on ice floe as penguins watch from the ice edge, Paulet Island, Antarctica

Suzi Eszterhas / Adelie Penguin (Pygoscelis adeliae) diving off iceberg and others watch, Paulet Island, Antarctica

Suzi Eszterhas / Cheetah (Acinonyx jubatus) mother keeps watch as 3 month old cubs feed on kill, vulnerable, Ngorongoro Conservation Area, Tanzania, east Africa

Richard Du Toit / Blue Wildebeest (Connochaetes taurinus) and Burchell's Zebra (Equus burchellii) migration across a river as tourists watch from vehicles, Masai Mara National Reserve, Kenya

Richard Du Toit / Blue Wildebeest (Connochaetes taurinus) and Burchell's Zebra (Equus burchellii) migration across a river as tourists watch from vehicles, Masai Mara National Reserve, Kenya

Katherine Feng / Giant Panda (Ailuropoda melanoleuca) researchers feeding cubs with a bottle in nursery while tourists watch, Wolong Nature Reserve, China