Dimorphism Collection

Picture No. 10789115
Hen Harrier - Male passing prey to female in flight above nest (Circus cyaneus) Date:

Group portrait of five dogs sitting, from left to rt: two mongrels, Rough Collie, Bobtail (Old English Sheepdog) and longhaired Chihuahua

Great spotted woodpecker (Dendrocopos major) male parent feeding juvenile. Germany. June

Common ostriches (Struthio camelus), male and female, standing at waterhole in front of Grant's zebras (Equus quagga boehmi). Tsavo East National Park, Kenya

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Southern Elephant Seal (Mirounga Leonina) bull, portrait full face with threat or challenge display securing harem during mating season, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) bull, portrait full face with threat or challenge display securing harem during mating season, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) bull, portrait full face with threat or challenge display securing harem during mating season, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) bull, portrait full face with threat or challenge display securing harem during mating season, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) portrait of bull during harem and mating season, face reflecting in water, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) bull and cow mating, portrait, bull is biting cow in neck to hold her, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal female (cow) (Mirounga Leonina) portrait during harem and mating season, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal female (cow) (Mirounga Leonina) portrait during harem and mating season, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal female (cow) (Mirounga Leonina) portrait during harem and mating season, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal female (cow) (Mirounga Leonina) portrait during harem and mating season, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal female (cow) (Mirounga Leonina) portrait during harem and mating season, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal female (cow) (Mirounga Leonina) portrait during harem and mating season, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal female (cow) (Mirounga Leonina) portrait of fighting cows in harem, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal female (cow) (Mirounga Leonina) portrait of fighting cows in harem, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) portrait of bull during harem and mating season, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) portrait of bull during harem and mating season, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) portrait of pub, face reflecting in water, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) portrait of bull during harem and mating season, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) big bull in colony of chinstrap penguins, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) big bull in colony of chinstrap penguins, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) big bull in colony of chinstrap penguins, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) big bull in colony of chinstrap penguins, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) bull and cow mating on beach or surf, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) pub with mother (cow) on beach, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal female (cow) (Mirounga Leonina) portrait during harem and mating season Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) portrait of pub, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) portrait of pub, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) portrait of pub, Island of South Georgia. Date: 02/12/2008

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Southern Elephant Seal (Mirounga Leonina) portrait of pub, Island of South Georgia. Date: 02/12/2008

Picture No. 12009483
Green nymph of the Garden Locust - feeding on ripening tomatoes in container on verandah of house - will change to brown colour with wings when adult - Grahamstown, Eastern Cape, South Africa Date:

Mandarin Duck (Aix galericulata) males competing over female, Jurong Bird Park, Singapore

North America, USA, CA, Piedras Blancas. Juvenile elephant seals (Mirounga angustirostris) bask on beach. Species was near extinction in late 1800 s

Picture No. 10789118
Hen Harrier - Male passing prey to female in flight above nest (Circus cyaneus) Date:

Scarlet chested variable sunbird

Eurasian Coot, Fulica atra, partial Albino swimming, Rapperswil, Switzerland

Orchid Mantis (Hymenopus coronatus) adult pair, mating, smaller male on back of larger female, Malaysia

Orchid Mantis (Hymenopus coronatus) adult female, close-up of head and forelegs, with smaller male on back of larger female during mating, Malaysia

Shuttle-shaped Dart (Agrotis puta puta) adult male and female, sexual dimorphism, Essex, England

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"Exploring the Fascinating World of Dimorphism: From Dogs to Woodpeckers and Ostriches" Dimorphism, a captivating phenomenon seen across various species, showcases distinct differences between males and females. In Picture No. 10789115, a group portrait of five dogs sitting together reveals the contrasting appearances of two mongrels and a majestic Rough Collie. The variation in size, coat color, and facial features highlights how they are manifest within our beloved canine companions. Moving on to the avian realm, we witness an endearing moment captured in Germany where a male Great spotted woodpecker diligently feeds its juvenile offspring. This heartwarming display not only demonstrates parental care but also emphasizes the striking disparities between adult males and females of this species. Venturing into Tsavo East National Park in Kenya, we encounter another remarkable example as Common ostriches stand alongside Grant's zebras at a waterhole. The towering male ostrich with its magnificent plumage stands out against the backdrop while showcasing its impressive height compared to its female counterpart. Returning to Germany once more, we observe a male Great spotted woodpecker perched on a tree trunk during October. Its vibrant red crown distinguishes it from the female counterparts who possess black crowns instead. Such divergence allows for easy identification within their species. These captivating images remind us that dimorphism is not limited to one particular group or habitat; rather it permeates throughout nature's diverse tapestry. Whether through variations in physical appearance or behavioral patterns, dimorphic traits provide valuable insights into evolutionary adaptations and reproductive strategies employed by different organisms. As we delve deeper into understanding dimorphism across various species, let us marvel at nature's ingenuity in creating such stunning contrasts that enrich our world with beauty and diversity.