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This calls into question the assumption that dog teeth are relatively small due to recent selection, suggesting that dog dentition is plesiomorphic from an ancestor that was smaller than the wolf. [78] The reduced body size of the early dog compared to a wolf is thought due to niche selection (Olsen 1985; Morey 1992; Coppinger & Coppinger 2001).
The martial eagle can be found in most of sub-Saharan Africa, wherever food is abundant and the environment favourable.With a total estimated distribution of about 26,000 km 2 (10,000 sq mi), it has a substantial distribution across Africa, giving it a somewhat broader range than other species there like the crowned eagle (Stephanoaetus coronatus) and the Verreaux's eagle (Aquila verreauxii). [6]