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	Provedor de dados Naturalis (1) Autor Akani, Godfrey C. (1) Angelici, Francesco M. (1) Corti, Claudia (1) Luiselli, Luca (1) Palavra-chave Cobras (1) Dietary habits (1) Ecology (1) Naja melanoleuca (1) Serpentes (1) Sexual size dimorphism (1) West Africa (1) Mais... Tipo do documento Article / Letter to the editor (1) Ano 2002 (1) País Netherlands (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Is sexual size dimorphism in relative head size correlated with intersexual dietary divergence in West African forest cobras, Naja melanoleuca? Naturalis Luiselli, Luca; Akani, Godfrey C.; Corti, Claudia; Angelici, Francesco M.. Sex-biased differences in dietary habits of snakes are often linked to pronounced sexual size dimorphism in absolute body size or in relative head size. We studied the food habits of free-ranging forest cobras (Naja melanoleuca) in southern Nigeria to find whether any intersexual dietary divergence is present in this species, and measured both museum vouchers and freeranging specimens to find whether any intersexual divergence in relative head size is present. We demonstrated that: (1) head sizes increases more rapidly with SVL in females than in males, with a result that, at the same body length, the females tended to have significantly larger heads; (2) males and females were nearly identical in dietary habits, both if we consider prey size or prey type;... Tipo: Article / Letter to the editor Palavras-chave: Serpentes; Cobras; Naja melanoleuca; Dietary habits; Sexual size dimorphism; Ecology; West Africa. Ano: 2002 URL: http://www.repository.naturalis.nl/record/534295 Registros recuperados: 1 Primeira ... 1 ... Última

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