Tony Heald / Cheetah chasing Jackal. (Acininxy jubatus) South Africa Kalahari Gemsbok NP.
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Marie Read / American avocets (Recurvirostra americana) two during aggressive (territorial) encounter, Bear River Migratory Bird Refuge, Utah, USA, May.
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Marie Read / Canada geese (Branta canadensis) two during territorial fight in early spring, Ithaca. New York, USA
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Nick Garbutt / Jaguar (Panthera onca) female running along a sand spit chasing after a caiman. Northern Pantanal Cuiaba River, Mato Grosso, Brazil.
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Terry Whittaker / Domestic cat chasing a Red fox (Vulpes vulpes) in an urban garden, Greater Manchester, UK, August 2017. Filmed using a camera trap.
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John Chan / Male California Least Tern (Sternula antillarum browni) courting a female, presenting a fish before chasing off another male, Huntington Beach, California, USA, May.
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John Waters / Slow motion clip of a Mallard (Anas platyrhynchos) duckling chasing and catching Mayfly (Ephemeroptera) emerging from River Kennet, Hungerford, Berkshire, England, UK, June.
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John Waters / Male Shoveler (Anas clypeata) chasing other males away from his mate, Greyale RSPB Reserve, Somerset Levels, England, UK, February.
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Five Films / Female Grey seal (Halichoerus grypus) defending pup on beach, chasing male away, Horsey, Norfolk, November.
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Remi Masson / Pair of Pumpkinseeds (Lepomis gibbosus) mating, male chasing other individuals away, River Rhone, Rhone-Alpes, France, June.
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Wim van den Heever / Two Cheetah (Acinonyx jubatus) chasing Springbok (Antidorcas marsupialis) Kgalagadi, South Africa
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Jordi Chias / Bryde's whale (Balaenoptera edeni) and Common dolphins (Delphinus delphis) chasing small fish offshore. Santa Maria Island, Azores, Atlantic Ocean. Third Place in the Underwater Category of the Por El...
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Tony Phelps / Cape cobra (Naja nivea) hunting, chasing a Cape gerbil (Gerbilliscus afra), De Hoop Nature Reserve, Western Cape, South Africa, December.
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Brandon Cole / Sockeye salmon (Oncorhynchus nerka) interacting in shallow river, males chasing each other while female waits over gravel suitable for depositing her eggs after fertilization. Adams River, British Col...
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Andy Rouse / Grizzly bear (Ursus arctos horribilis) charging through river chasing salmon, Alaska, USA. Crop of 01500299.
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David Pattyn / Black necked grebe (Podiceps nigricollis) pair chasing away another grebe during the courtship season. The Netherlands.April 2014
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David Pattyn / Black necked grebe (Podiceps nigricollis) pair chasing away another grebe during the mating season. The Netherlands.March 2014
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David Pattyn / Black necked grebe (Podiceps nigricollis) pair chasing away another grebe during the mating season. The Netherlands.March 2014
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Denis-Huot / Young Lioness (Panthera leo) chasing Giraffe (Giraffa camelopardalis) Masai-Mara game reserve, Kenya.
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Jabruson Motion / Female African forest elephant (Loxodonta cyclotis) at a mineral dig with a baby with an injured leg, chasing other adolescent elephants away, Dzanga Bai, Daznga-Ndoki National Park, Sangha-Mbaere Pre...
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Michael Pitts / Maldives clownfish (Amphiprion nigripes) chasing juveniles, with anemones (Actiniaria) in the background, Maldives, Indian Ocean.
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Pål Hermansen,Pal Hermansen / Nuthatch (Sitta europaea) chasing away and Black tit (Periparus ater) in car graveyard, Varmland, Sweden, December
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Sandesh Kadur / Flock of Maleo fowl (Macrocephalon maleo) running and chasing each other on a beach, Tompotika Peninsula, Sulawesi, Indonesia.
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Andy Rouse / Cheetah (Acinonyx jubatus) chasing gazelle, Maasai Mara, Kenya, Africa
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Andy Rouse / Cheetah (Acinonyx jubatus) chasing gazelle, Maasai Mara, Kenya, Africa
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Ben Cranke / Leopard seal (Hydrurga leptonyx) chasing Gentoo Penguin (Pygoscelis papua) into shore, Cuverville Island, Antarctic Peninsula, Antarctica
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Graham Eaton,Graham Eaton / Dog chasing and disturbing a flock of Knot (Calidris canutus) on a beach, Hoylake, Wirral
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Anup Shah,Anup Shah / Male lion (Panthera leo) in confrontation with Cape buffalo (Syncerus caffer). Masai Mara National Reserve, Kenya, July
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Jabruson / African Forest Elephant (Loxodonta africana cyclotis) juvenile chasing African Forest Buffalos (Syncerus caffer nanus). Dzanga Bai, Dzanga-Ndoki National Park, Central African Republic.
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David Tipling / Brown Hare (Lepus europaeus) buck chasing doe, in late evening, Norfolk, May
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Denis-Huot,Denis-Huot / Lion (Panthera leo) male chasing White backed vultures (Gyps africanus) off its prey, Masai-Mara Game Reserve, Kenya. Vulnerable species.
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Denis-Huot / Cheetah (Acinonyx jubatus) juvenile chasing a zebra (Equus quagga) herd, Masai-Mara Game Reserve, Kenya. Vulnerable species.
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Denis-Huot / Cheetah (Acinonyx jubatus) hunting young warthog (Phacochoerus africanus) in turn being chased by warthog mother, Masai Mara, Kenya. Vulnerable species.
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Ammonite / Group of sub-adult African lions (Panthera leo) chasing and jumping on a mother Hippopotamus (Hippopotamus amphibius) and her calf, footage taken at night using infrared camera technology, Masai Mara,...
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Ammonite / Sub-adult African lioness (Panthera leo) chasing and jumping onto the back of a Hippopotamus (Hippopotamus amphibius), footage taken at night using infrared camera technology, Masai Mara, Kenya.
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Ammonite / Sub-adult African lioness (Panthera leo) watching, chasing and missing a small group of Warthogs (Phacochoerus aethiopicus), Masai Mara, Kenya.
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Ammonite / Water buffalo (Bubalus arnee) chasing Sri Lankan leopard (Panthera pardus kotiya) near a waterhole, footage taken at night using thermal camera technology, Yala National Park, Sri Lanka.
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Denis-Huot / Male buffalo (Syncerus caffer) chasing Masai Giraffe (Giraffa cameleopardalis tippelskirchi) Masai-Mara Game Reserve, Kenya.
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Bertie Gregory / 2020VISION / Juvenile male Peregrine falcon (Falco peregrinus) in flight chasing his parent who has Feral pigeon (Columba livia) kill in claws, Bristol, England, UK, June.
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XI ZHINONG / Grey wolf (Canis lupus) chasing a wounded tibetan wild ass (Equus kiang) Kekexili, Qinghai, China, December.
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XI ZHINONG / Grey Wolves (Canis lupus) hunting a wounded Tibetan wild ass (Equus kiang) Kekexili, Qinghai, China, December.
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Nick Upton / 2020VISION / Recently released young Common / Eurasian Crane (Grus grus) chasing flies. The Great Crane Project, Somerset, UK, September 2012. Second place in Mankind and Nature portfolio category of Melvita Natu...
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David Pattyn / Alpine ibex (Capra ibex) adult male chasing two young males away, Gran Paradiso National Park, Italy, July
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Andy Rouse / 2020VISION / Three European Hare (Lepus europaeus) chasing, a courtship behaviour. Wales, UK, June.
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Andy Rouse / Young Cheetah (Acinonyx jubatus) learning how to hunt Thomson's gazelle fawn (Eudorcas thomsoni) Masai Mara National Reserve, Kenya
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Andy Rouse / Cheetah (Acinonyx jubatus) young siblings learning how to hunt Thomson's gazelle fawn (Eudorcas thomsoni) mother cheetah in background, Masai Mara National Reserve, Kenya
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Andy Rouse / Cheetah (Acinonyx jubatus) young siblings learning how to hunt Thomson's gazelle fawn (Eudorcas thomsoni) Masai Mara National Reserve, Kenya
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Andy Rouse / Cheetah (Acinonyx jubatus) chasing Thomson's gazelle fawn (Eudorcas thomsoni) Masai Mara National Reserve, Kenya