Konrad Wothe / Chimpanzee (Pan troglodytes) in a tree using pieces of grass to pull ants from a hole to eat, Mahale Mountains National Park, Tanzania.

Konrad Wothe / Chimpanzee (Pan troglodytes) in a tree using pieces of grass to pull ants from a hole to eat, with a baby in the background, Mahale Mountains National Park, Tanzania.

Konrad Wothe / Chimpanzee (Pan troglodytes) in a tree using pieces of grass to pull ants from a hole to eat, Mahale Mountains National Park, Tanzania.

Konrad Wothe / Chimpanzees (Pan troglodytes) in a tree using pieces of grass to pull ants from a hole to eat, Mahale Mountains National Park, Tanzania.

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

Mark Hamblin / 2020VISION / RSPB volunteers using ropes to pull down pine tree as part of woodland management plan to improve habitat for wildlife, Abernethy Forest RSPB Reserve, Cairngorms National Park, Scotland, UK, September...

Cheryl-Samantha Owen / Crew of the James Archer (Oceana fisheries) pull up a lobster trap during West coast rock lobster (Jasus lalandii) fishing, Saldanha Bay and St. Helena Bay, Western Cape, South Africa.

Andrew Parkinson / Dunlin (Calidris alpina) adult trying to pull a worm out of the wet sand, September, Shetland Islands, UK, September.

Mark Moffett / Weaver Ant (Oecophylla longinoda) group grab an adjacent leaf and stem with mandibles and toes and pull, gradually binding them together to make a nest, Malaysia

Mark Moffett / Weaver Ant (Oecophylla longinoda) group grab an adjacent leaf and stem with mandibles and toes and pull, gradually binding them together to make a nest, Malaysia

Mark Moffett / Weaver Ant (Oecophylla longinoda) group grab an adjacent leaf and stem with mandibles and toes and pull, gradually binding them together, Malaysia

Yva Momatiuk & John Eastcott / African Elephant (Loxodonta africana) five year old male calves play push and pull games to test strength and establish dominance, Masai Mara National Reserve, Kenya

John Waters / Pull focus shot from a Willow tree (Salix) to a group of Common starlings (Sturnus vulgaris) flying in the background, Ham Wall RSPB Reserve, Somerset, England, UK, January.

Michael Hutchinson / Pull focus shot from a Southern marsh-orchid (Dactylorhiza praetermissa) to a pair of Marsh fritillary butterflies (Euphydryas aurinia) mating, Devon, England, UK, June.

Michael Hutchinson / Pull focus shot to a pair of Marsh fritillary butterflies (Euphydryas aurinia) mating, Devon, England, UK, June.

Ashley Cooper / Middle aged man paddling in an inflateable kayak on Ullswater, Lake District, UK. July 2014

Kristel Richard / Two rare Shire horses pull a Heineken dray, near a canal, on the streets of Amsterdam, the Netherlands, June 2018.

Kristel Richard / Two rare Shire horses pull a Heineken dray, outside the historical Heineken brewery, in Amsterdam, the Netherlands, June 2018.

Kristel Richard / Two rare Shire horses pull a Heineken dray, near a canal, on the streets of Amsterdam, the Netherlands, June 2018.

Kristel Richard / Four rare Jutland horses pull a Carlsberg dray, outside the historical Carlsberg brewery, in Copenhagen, Denmark, June 2016.

Kristel Richard / Four rare Jutland horses pull a Carlsberg dray, outside the historical Carlsberg brewery, in Copenhagen, Denmark, June 2016.

Kristel Richard / Four rare Jutland horses pull a Carlsberg dray, outside the historical Carlsberg brewery, in Copenhagen, Denmark, February 2016.

Kristel Richard / Four rare Jutland horses pull a Carlsberg dray, outside the historical Carlsberg brewery, in Copenhagen, Denmark, February 2016.

Kristel Richard / Two rare Shire horses pull a Heineken dray, near a canal, on the streets of Amsterdam, the Netherlands, June 2018.

Michael Hutchinson / Pull focus shot from Beech (Fagus sylvatica) leaves to Common bluebells (Hyacinthoides non-scripta) flowering in woodland, Prior's Wood Avon Wildlife Trust Reseve, Bristol, England, UK, May.

Michael Hutchinson / Pull focus shot from Common bluebells (Hyacinthoides non-scripta) flowering in woodland to Beech (Fagus sylvatica) leaves, Prior's Wood Avon Wildlife Trust Reseve, Bristol, England, UK, May.

Michael Hutchinson / Pull focus shot from Beech (Fagus sylvatica) leaves to Common bluebells (Hyacinthoides non-scripta) flowering in woodland, Prior's Wood Avon Wildlife Trust Reseve, Bristol, England, UK, May.

SCOTLAND: The Big Picture / Pull focus shot of Silver birch trees (Betula pendula) in autumn, Cairngorms National Park, Scotland, UK, October.

Constantinos Petrinos / Tiger Mantis Shrimp (Lysiosquillina maculata) trying to pull a dead fish (Snapper) inside its burrow. Lembeh Strait, North Sulawesi, Indonesia.

Konrad Wothe / Chimpanzee (Pan troglodytes) in a tree using pieces of grass to pull ants from a hole to eat, with a baby in the bacground, Mahale Mountains National Park, Tanzania.

Konrad Wothe / Chimpanzee (Pan troglodytes) in a tree stripping twigs to pull ants from a hole to eat, Mahale Mountains National Park, Tanzania.

Konrad Wothe / Chimpanzee (Pan troglodytes) with a baby in a tree using pieces of grass to pull ants from a hole to eat, Mahale Mountains National Park, Tanzania.

Konrad Wothe / Chimpanzee (Pan troglodytes) stripping pieces of grass to pull ants from a hole to eat, Mahale Mountains National Park, Tanzania.

Konrad Wothe / Chimpanzee (Pan troglodytes) in a tree using pieces of grass to pull ants from a hole to eat, Mahale Mountains National Park, Tanzania.

Konrad Wothe / Chimpanzees (Pan troglodytes) in a tree using pieces of grass to pull ants from a hole to eat, Mahale Mountains National Park, Tanzania.

Konrad Wothe / Chimpanzees (Pan troglodytes) in a tree using pieces of grass to pull ants from a hole to eat, Mahale Mountains National Park, Tanzania.

Tim Laman / Jessica and Russell Laman wade ahead while other team members hike and pull the loaded boat up the Air Putih river, Gunung Palung National Park. August 2010

Kristel Richard / Two Canadian Horse geldings pull an ancient grass cutter, at Upper Canada Village Museum, Morrisburg, Ontario, Canada. Critically Endangered horse breed.

Kristel Richard / Two Canadian Horse geldings pull an ancient grass cutter, at Upper Canada Village Museum, Morrisburg, Ontario, Canada. Critically Endangered horse breed

Huw Cordey / 4x4 drive stuck in the mud on the track to Nancite, The driver is using a winch to pull the vehicle out of the mud. Santa Rosa National Park, Costa Rica. November 2010.

Paul D Stewart / Historical illustration showing the displays of various birds of paradise: Red bird-of-paradise (Paradisea rubra), Superb bird of paradise (Lophorina superba), Wilson's bird of paradise (Cicinnurus re...

Constantinos Petrinos / One of the last two farriers on Spetses island kneels down in order to place shoeing horse, whilst farmer assists him by holding the horse's leg. No cars are allowed on the island, so horses are used...

Constantinos Petrinos / White horse standing next to white wall, Spetses island. No cars are allowed on the island, so horses are used to pull carriages. Spetses Island, Aegean Sea, Greece, Mediterranean, April 2009.

Richard Du Toit / South African Giraffe (Giraffa giraffa giraffa) using tongue to pull leaves off of branches, KwaZulu-Natal, South Africa

Kristel Richard / Two warmblood horses pull a carriage during the 799th Lord Mayor show, London, United Kingdom. November 2014.

Kristel Richard / Two Arab horses pull a carriage during the 799th Lord Mayor show, London, United Kingdom. November 2014.

Kristel Richard / Two warmblood horses pull a carriage during the 799th Lord Mayor show, London, United Kingdom. November 2014.

Rob Jordan / 2020VISION / Field of flowering Common poppies (Papaver rhoeas) moving in the wind, focus moving from background to foreground, Northumberland, England, UK, June

Willem Kolvoort / Algae producing oxygen, which caught on hairs of algae pull the algae towards the surfaces, in small lake, Holland. August.

Ann & Steve Toon / Two red deer hinds (Cervus elaphus) resting, one with a jackdaw (Corvus monedula) on her head, Arran, Scotland, October 2013. The jackdaws remove parasites from the deers' fur and pull out hair for ne...

Ann & Steve Toon / Two red deer hinds (Cervus elaphus) with jackdaws (Corvus monedula), Arran, Scotland, October 2013. The jackdaws remove parasites from the deers' fur and pull out hair for nesting material.

Jabruson Motion / Juvenile Western gorilla (Gorilla gorilla) eating African breadfruit, focus pull from leaves in the foreground to gorilla, Bai Hokou, Dzanga-Ndoki National Park, Sangha-Mbaere Prefecture, Central Afri...

Frederique Olivier / Two Emperor penguins (Aptenodytes forsteri) at ice hole, one using beak to pull itself up, Antarctica, November.

Tom Gilks / Shire horse pulling a bow top wagon, Appleby, Yorkshire, UK

David Pattyn / Fisherman standing outside typical fisherman shack with ropes connected to poles in the lake with pieces of plastic and cloth. When there are too many pelicans and cormorants close to their nets, the...

Alex Mustard / A close up of the eye of a Tassled wobbegong shark (Eucrossorhinus dasypogon) illuminated with light from a snoot tube, Batanta Island, Raja Ampat, West Papua, Indonesia.

Alex Mustard / The skin of a Tassled wobbegong shark (Eucrossorhinus dasypogon), showing the rough placoid scales, commonly called denticles. These scales have the same structure as the shark's teeth and are as roug...

Alex Mustard / Portrait of a green iguana (Iguana iguana) amongst grass. Puerto Aventuras, Quintana Roo, Mexico.

Alex Mustard / Portrait of Male Sockeye salmon (Oncorhynchus nerka) showing teeth. Adams River, British Columbia, Canada, October.

Konrad Wothe / Mandrill (Mandrillus sphinx) male in zoo, face portrait, West Africa

Claudio Contreras / California condor (Gymnogyps californianus) feather detail, IUCN Critically Endangered, captive.

Jan Hamrsky / Phantom midge larva (Chaoborus flavicans) head detail, Europe, October, controlled conditions

Jan Hamrsky / Great diving beetle (Dytiscus marginalis) female, Europe, September, controlled conditions

Jan Hamrsky / Great diving beetle (Dytiscus marginalis) refilling its air supply under the wing cases, Europe, September, controlled conditions

Jan Hamrsky / Darner dragonfly nymph (Aeshnidae) feeding on mayfly nymph, Europe, July, controlled conditions

Jan Hamrsky / Darner dragonfly nymph (Aeshnidae) feeding on mayfly nymph, Europe, July, controlled conditions

Cheryl-Samantha Owen / West coast rock lobster (Jasus lalandii) fishing aboard the James Archer (Oceana fisheries). Crew pull up lobster trap. Saldanha Bay and St. Helena Bay, Western Cape, South Africa.

Cheryl-Samantha Owen / West coast rock lobster (Jasus lalandii) fishing aboard the James Archer (Oceana fisheries). Crew pull up lobster trap. Saldanha Bay and St. Helena Bay, Western Cape, South Africa.

Cheryl-Samantha Owen / Fishing for West coast rock lobster (Jasus lalandii) in Saldanha Bay and St. Helena Bay, Western Cape, South Africa. The crew of the James Archer (Oceana fisheries) pull up a lobster trap.

Cheryl-Samantha Owen / West coast rock lobster (Jasus lalandii) boat, James Archer (Oceana fisheries), crew pull up lobster trap Saldanha Bay and St. Helena Bay, Western Cape, South Africa.

Cheryl-Samantha Owen / Fishing for West coast rock lobster (Jasus lalandii) aboard the James Archer (Oceana Fisheries). Fishermen pull up lobster traps in Saldanha Bay and St. Helena Bay, Western Cape, South Africa.

Franco Banfi / Detail of Bearded fireworm (Hermodice carunculata) Vis Island, Croatia, Adriatic Sea, Mediterranean

Franco Banfi / Detail of Spirograph worm (Sabella spallanzani) Stupiste Out dive site, Vis Island, Croatia, Adriatic Sea, Mediterranean

Franco Banfi / Detail of Bearded fireworm (Hermodice carunculata) Vis Island, Croatia, Adriatic Sea, Mediterranean

Franco Banfi / Octopus (Octopus vulgaris) with eggs, Ischia Island, Italy, Tyrrhenian Sea, Mediterranean

Franco Banfi / Eye detail of Tasselled wobbegong (Eucrossorhinus dasypogon) Cendana Jetty, Waigeo island, Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Franco Banfi / Eye detail of Vermicular coralcod (Plectropomus oligacanthus) Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Franco Banfi / Vermicular coralcod (Plectropomus oligacanthus) Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Franco Banfi / Beaked coralfish (Chelmon rostratus) Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Theo Bosboom / Cladonia moss with Trailing azalea (Loiseleuria procumbens)and fungi, Asbyrgi, Iceland, June

Theo Bosboom / Water horsetail (Equisetum fluviatile) close-up, De Bruuk, the Netherlands, May

Theo Bosboom / Close up of leaves (probably of purple moor grass) and bubbles captured in the ice, Deeler Woud Nature Reserve, the Netherlands, January

David Tipling / American Black Vultures (Coragyps atratus) trying pull a traffic bollard apart in car park at Anhinga Trail, Florida

David Tipling / Warning sign against damage by American Black Vultures which pull rubber seals from cars, in Anhinga Trail car park, with Black vulture (Coragyps atratus) in the background, Florida Everglades Nationa...

Franco Banfi / Siberian Husky dogs resting, in harness to pull sledge inside Riisitunturi National Park, Lapland, Finland

Kristel Richard / Two Franches Montagnes (Freiberger) Horse stallions 'Hombre' (left) and 'Natif' with traditional Grison harness, pull a Bern car at the National Stud of Avenches, in the canton of Vaud, Switzerland.

Kristel Richard / Two Franches Montagnes (Freiberger) Horse stallions 'Hombre' (left) and 'Natif' with traditional Grison harness, pull a Bern car at the National Stud of Avenches, in the canton of Vaud, Switzerland.

Fiona Rogers / Western chimpazee (Pan troglodytes verus) infant male 'Flanle' aged 3 years trying to pull a head of palm oil fruits, Bossou Forest, Mont Nimba, Guinea. January 2011.

Steven Kazlowski / Inupiaq subsistence whalers prepare to pull up a bowhead whale (Balaena mysticetus) catch along the edge of the open lead in the pack ice. Chukchi Sea, offshore from Barrow, Arctic coast of Alaska, Ap...

Juergen Freund / Baling (local purse seine fishing boat) catching dilis, the Tagalog term for anchovies. The fishermen pull in the vessel's massive net, hauling in catches of anchovies or silversides. Northern Palawan...

Anup Shah / Bornean Orangutan (Pongo pygmaeus wurmbii) female 'Peta' and her baby daughter 'Petra' aged 12 months wading through a river looking for shoots to pull up and feed on - wide angle perspective. Camp Le...

Steven Kazlowski / Residents from the Inupiaq arctic village of Barrow along with subsistence whalers pull a Bowhead whale (Balaena mysticetus) catch onto the pack ice using a block and tackle pulley system, Chukchi Sea...

Steven Kazlowski / Residents from the Inupiaq arctic village of Barrow along with subsistence whalers pull a Bowhead whale (Balaena mysticetus) catch onto the pack ice using a block and tackle pulley system, Chukchi Sea...

Steven Kazlowski / Residents from the Inupiaq arctic village of Barrow along with subsistence whalers pull a Bowhead whale (Balaena mysticetus) catch onto the pack ice using a block and tackle pulley system, Chukchi Sea...

Steven Kazlowski / Residents from the Inupiaq arctic village of Barrow along with subsistence whalers pull a Bowhead whale (Balaena mysticetus) catch onto the pack ice using a block and tackle pulley system, Chukchi Sea...

Steven Kazlowski / Residents from the Inupiaq arctic village of Barrow along with subsistence whalers pull a Bowhead whale (Balaena mysticetus) catch onto the pack ice using a block and tackle pulley system, Chukchi Sea...