Dwarf elephant

Common card · No. 226637

Dwarf elephants are prehistoric members of the order Proboscidea which, through the process of allopatric speciation on islands, evolved much smaller body sizes (around 1–2.3 metres (3 ft 3 in – 7 ft 7 in) shoulder height) in comparison with their immediate ancestors. Dwarf elephants are an example of insular dwarfism, the phenomenon whereby large terrestrial vertebrates (usually mammals) that colonize islands evolve dwarf forms, a phenomenon attributed to adaptation to resource-poor environments and lack of predation and competition. Fossil remains of dwarf elephants have been found on the Mediterranean islands of Cyprus, Malta, Crete, Sicily, Sardinia, the Cyclades Islands and the Dodecanese Islands, which are mostly members of the genus Palaeoloxodon, descending from the large 4 metres (13 ft) tall straight-tusked elephant (Palaeoloxodon antiquus) of mainland Europe, though two species represent dwarf mammoths. Dwarf species of elephants and Stegodon have been found on the islands of...

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