1116-51979 - Sepia image of Plains Bison (Bison bison bison) jousting at Elk Island National Park; Alberta, Canada

1116-51181 - Dogs fighting in a meadow; Otavalo, Imbabura, Ecuador

1116-51174 - Two bull moose (Alces americanus) fight on a snowy forest road during the rut, Gaspesie National Park; Quebec, Canada

1116-51265 - A lioness (Panthera leo) is about to slap a male lion with its paw after mating. They both have golden coats and are standing on a patch of burnt grass in the warm evening light. Shot with a Nikon D810 in the Serengeti; Tanzania

1174-10708 - A male and female lion, Panthera leo, fight

1174-10716 - Two zebras, Equus quagga, raise up on their hind legs and fight

860-290055 - Fighting Fallow Deers at Rutting Season, Cervus dama, Hesse, Germany, Europe

860-290176 - Burchell's Zebra (Equus quagga burchellii) fighting, Etosha, Namibia

860-290177 - Burchell's Zebra (Equus quagga burchellii) fighting, Etosha, Namibia

860-290252 - Middle Spotted Woodpecker (Dendrocopos medius) and Black bird (Turdus merula) fighting, Vosges du Nord Regional Natural Park, France

860-290429 - Red deer (Cervus elaphus) stag standing in a snow covered meadow, England

860-289788 - Two Buffalo (Syncerus caffer) spar in the wilderness of Uganda.

860-289680 - Fighting Fallow Deers at Rutting Season, Cervus dama, Hesse, Germany, Europe

860-289705 - Eurasian golden jackal (Canis aureus moreoticus) fighting, Danube delta, Romania

860-290046 - Red deer (Cervus elaphus) fighting in the mist, England

860-290210 - Starling (Sturnus vulagaris) fighting in falling snow, England

860-290174 - Gemsbok (Oryx gazella) fight, Etosha, Namibia

860-290220 - Kruger National Park rangers cleaning in the river a tusk just extracted from the body of a naturally dead elephant (Loxodonta africana) in order to fight against poaching, Kruger NP, South Africa

860-290221 - Kruger National Park rangers carrying a tusk of Elephant (Loxodonta africana) just extracted and cleaned in the river to fight against poaching, Kruger NP, South Africa

860-290146 - Starling (Sturnus vulagaris) fighting, England

860-290219 - Kruger National Park rangers carrying a tusk that has just been extracted to the root of the body of a naturally dead elephant (Loxodonta africana) in order to fight against poaching, Kruger NP, South Africa

860-290218 - Rangers of the Kruger National Park just extracted a tusk to the root for two hours from the body of a naturally dead elephant (Loxodonta africana) in order to fight against poaching, Kruger NP, South Africa

1350-2574 - Beaked Whale stranded on coral reef during low tide, Mesoplodon sp., Mili, Marshall Islands (N. Pacific)..

1178-33684 - Caucasian mother and daughter having pillow fight on bed

832-393259 - Southern Hawker (Aeshna cyanea), female, laying eggs, attacked by banded damselfly Banded demoiselle (calopteryx splendens), male, Hesse, Germany, Europe

1349-1289 - Red Fox

1349-1287 - Black Bears Fighting

1349-1451 - Common Yellowthroat (Geothlypis trichas)

832-391855 - Fighting black-tailed godwits (Limosa limosa) in a meadow at Lake Duemmer, Germany, Europe

1350-818 - Angela la Folclorista, cholita female wrestler, El Alto, La Paz, Bolivia

1350-824 - Angela la Folclorista, detail of her dress and hands, cholita female wrestler, El Alto, La Paz, Bolivia

1350-842 - Lucha Libre. Julieta and Celia la Simpatica during a crazy combat, agaist males wrestlers, Sports center La Ceja, El Alto, La Paz, Bolivia

1350-839 - Lucha Libre. Combat between the Transvestite and the cholita Angela la Folclorista, wrestlers ,Sports center La Ceja, El Alto, La Paz, Bolivia

1350-1390 - Muay Thai boxers fighting, Bangkok, Thailand

1350-1391 - Muay Thai boxers fighting, Bangkok, Thailand

1350-811 - Benita la Intocable, cholita female wrestler,El Alto, La Paz, Bolivia

1350-832 - Lucha Libre. Two spontaneous up to the ring to dace with the cholita Angela la Folclorista to celebrate the victory, Sports center La Ceja, El Alto, La Paz, Bolivia

1350-840 - Lucha Libre. male and the cholita Celia la Simpatica wrestlers in combat, Sports center La Ceja, El Alto, La Paz, Bolivia

1350-1394 - Muay Thai boxers fighting, Bangkok, Thailand

1350-817 - At left Dina , in the middle Benita la Intocable, at right Angela la Folclorista, cholitas females wrestlers, El Alto, La Paz, Bolivia

1350-846 - Lucha Libre. After the show. A follower is photographed with cholitas fighters. Down Julieta, Celia la Simpatica, and Dina with blue dress , cholitas females wrestlers ,Sports center La Ceja, El Alto, La Paz, Bolivia

1350-812 - Benita la Intocable, cholita female wrestler,El Alto, La Paz, Bolivia

1350-1392 - Coach and muay Thai fighter through pre-fight ritual, Bangkok, Thailand

1350-841 - Lucha Libre. Male fighter stretch the hair of cholita Julieta, wrestlers in combat, Sports center La Ceja, El Alto, La Paz, Bolivia

1350-826 - Detail of dresses and feet. At left Benita la Intocable , in the middle Angela la Folclorista, and at right Dina, cholitas females wrestlers, El Alto, La Paz, Bolivia

1350-819 - At right Benita la Intocable , at left Angela la Folclorista, cholitas females wrestlers, El Alto, La Paz, Bolivia

1350-1386 - Muay Thai boxers fighting, Bangkok, Thailand

1350-838 - Lucha Libre. Combat between Dina with orange skirt and Benita la Intocable , cholitas females wrestlers ,with referee in the middle, Sports center La Ceja, El Alto, La Paz, Bolivia

1350-813 - Angela la Folclorista, cholita female wrestler, El Alto, La Paz, Bolivia

1350-1385 - Presentation of the fight. Muay Thai fighter going through pre-fight ritual, Bangkok, Thailand

1350-822 - At left Dina , in the middle Benita la Intocable, at right Angela la Folclorista, cholitas females wrestlers, El Alto, La Paz, Bolivia

1350-830 - Lucha Libre. Combat between El Prisionero and the cholita Angela la folclorista, wrestlers ,Sports center La Ceja, El Alto, La Paz, Bolivia

1350-814 - At left Benita la Intocable , in the middle Angela la Folclorista, and at right Dina, cholitas females wrestlers, El Alto, La Paz, Bolivia

1350-845 - Lucha Libre. After the show. A follower is photographed with cholitas fighters. At left Julieta, in the middle Celia la Simpatica, and Dina , cholitas females wrestlers ,Sports center La Ceja, El Alto, La Paz, Bolivia

1350-829 - At left Benita la Intocable , and at right Angela la Folclorista, cholitas females wrestlers, El Alto, La Paz, Bolivia

1350-834 - Lucha Libre. Combat between Dina with orange dress and Julieta, cholitas females wrestlers ,with a referee, Sports center La Ceja, El Alto, La Paz, Bolivia

1350-815 - At left Benita la Intocable , in the middle Angela la Folclorista, and at right Dina, cholitas females wrestlers, El Alto, La Paz, Bolivia

1350-843 - Lucha Libre. Angela la Simpatica and La Momia fighting, males and cholitas females wrestlers in combat, Sports center La Ceja, El Alto, La Paz, Bolivia

1350-827 - At left Benita la Intocable , and at right Angela la Folclorista, cholitas females wrestlers, El Alto, La Paz, Bolivia

1350-1387 - Muay Thai boxers fighting, Bangkok, Thailand

1350-895 - Lucha Libre. Wrestlers in combat, and referee, Sports center La Ceja, El Alto, La Paz, Bolivia

1350-844 - Lucha Libre. Julieta and Celia la Simpatica whith pink skirt during a crazy combat, agaist males wrestlers, Sports center La Ceja, El Alto, La Paz, Bolivia

1350-1393 - Muay Thai boxers fighting, Bangkok, Thailand

1350-1389 - Muay Thai boxers fighting, Bangkok, Thailand

1350-831 - Lucha Libre.Two spontaneous up to the ring to help the cholita Angela la Folclorista during the combat again the wrestler called El Prisionero, Sports center La Ceja, El Alto, La Paz, Bolivia

1350-825 - Detail of dresses and hands. At left Benita la Intocable , in the middle Angela la Folclorista, and at right Dina, cholitas females wrestlers, El Alto, La Paz, Bolivia

1350-828 - At left Benita la Intocable , in the middle Dina, and at right Angela la Folclorista, cholitas females wrestlers, El Alto, La Paz, Bolivia

1350-837 - Lucha Libre. Combat between Dina with orange skirt and Benita la Intocable , cholitas females wrestlers ,Sports center La Ceja, El Alto, La Paz, Bolivia

1350-821 - At left Angela la Folclorista , in the middle Benita la Intocable, and at right Dina, cholitas females wrestlers, El Alto, La Paz, Bolivia

1350-823 - Benita la Intocable, detail of her dress and hands, cholita female wrestler, El Alto, La Paz, Bolivia

1350-833 - Lucha Libre. Combat between Dina with orange dress and Julieta, cholitas females wrestlers ,Sports center La Ceja, El Alto, La Paz, Bolivia

1350-816 - At left Angela la Folclorista , in the middle Dina, and at right Benita la Intocable, cholitas females wrestlers, El Alto, La Paz, Bolivia

1350-1388 - Muay Thai boxers fighting, Bangkok, Thailand

1350-893 - Lucha Libre. Wrestlers in combat, Sports center La Ceja, El Alto, La Paz, Bolivia

1350-835 - Lucha Libre. Benita la Intocable acclaimed by the public before starting the combat, cholitas females wrestlers ,Sports center La Ceja, El Alto, La Paz, Bolivia

1350-820 - At right Benita la Intocable , at left Angela la Folclorista, cholitas females wrestlers, El Alto, La Paz, Bolivia

1350-894 - Lucha Libre. Wrestlers in combat, and referee, Sports center La Ceja, El Alto, La Paz, Bolivia

1350-836 - Lucha Libre. Combat between Dina with orange skirt and Benita la Intocable , cholitas females wrestlers ,with referee, Sports center La Ceja, El Alto, La Paz, Bolivia

1348-1505 - Light therapy lamps emit white light imitating daylight. They are used, between among other things, to fight against seasonal affective disorder.

1116-49151 - Three bison (Bison bison) showing aggression in a field with snow, Denver, Colorado, United States of America

1116-49339 - Close-up of two hippo (Hippopotamus amphibius) fighting and splashing in water, Serengeti, Tanzania

1116-49258 - Two Masai giraffe (Giraffa camelopardalis tippelskirchii) stand necking on savannah, Serengeti, Tanzania

1116-50419 - Two male blue wildebeest (Connochaetes taurinus) fighting in grassland, Cottar's 1920s Safari Camp, Maasai Mara National Reserve; Kenya

809-8202 - French digital application to fight against Covid-19, France, Europe

832-391159 - Two contending white-tailed eagles (Haliaeetus albicilla), Kutno, Poland, Europe

832-391170 - Young white-tailed eagles (Haliaeetus albicilla) fighting for prey in flight, winter, Kutno, Poland, Europe

832-390872 - Stallions (Equus) fighting, Arkhangai Province, Mongolia, Asia

832-391166 - Two young white-tailed eagles (Haliaeetus albicilla) fighting for prey in flight, winter, Kutno, Poland, Europe

832-390873 - Stallions (Equus) fighting, Arkhangai Province, Mongolia, Asia

832-391169 - Two young white-tailed eagles (Haliaeetus albicilla) fighting for prey in flight, winter, Kutno, Poland, Europe

832-391153 - Two young white-tailed eagles (Haliaeetus albicilla) quarreling in the air, Kutno, Poland, Europe

832-391165 - Two young white-tailed eagles (Haliaeetus albicilla) quarreling in flight, Kutno, Poland, Europe

1174-10189 - A pair of leopards, Panthera pardus, have a fight in a riverbed after mating, Sabi Sands, South Africa

832-390578 - Rothschild's Giraffes (Giraffa camelopardalis rothschildi), fight, Lake Nakuru, Kenya, Africa

832-390193 - Great crested grebes (Podiceps cristatus) fighting, fight over territory, Hesse, Germany, Europe

832-390233 - Red deer (Cervus elaphus) stags fighting on a snowy meadow, Bavaria, Germany, Europe

1113-105052 - girl throwing a snowball towards a boy during a snowball fight in winter, Pfronten, Allgaeu, Bavaria, Germany

1113-105051 - girl throwing a snowball towards a boy during a snowball fight in winter, Pfronten, Allgaeu, Bavaria, Germany

832-389814 - Fighting alpine ibex (Capra ibex), ibex, mountain, Alps, Hohe Tauern National Park, Austria, Europe

832-389816 - Fighting alpine ibex (Capra ibex), ibex, mountain, Alps, Hohe Tauern National Park, Austria, Europe