Anup Shah,Anup Shah / Male lion (Panthera leo) in confrontation with Cape buffalo (Syncerus caffer) Masai Mara National Reserve, Kenya
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David Tipling / Brown Hare (Lepus europaeus) buck chasing doe, in late evening, Norfolk, May
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Igor Shpilenok,Igor Shpilenok / Large male Reindeer (Rangifer tarandus) standing in shallow waters of the Kronotsky lagoon, away from biting insects. Kronotsky Zapovednik Nature Reserve, Kamchatka Peninsula, Russian Far East, July.
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Paul D Stewart / Illustration of Cowslips (Primula veris) from 'Darwinism' by Alfred Wallace 1889. In 1862 Darwin reported how Primula plants have two forms of flowers, pin and thrum eyed, differing in the height and...