ListarINVESTIGACIÓN por tema "Behavioral Sciences; Biology; Ecology; Zoology"

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Highly masculinized and younger males attain higher reproductive success in a social rodent

Correa, Loreto A. [Univ Mayor, Fac Ciencias, Escuela Med Vet, Nucleo Interdisciplinario, Camino Piramide 5750, Santiago, Chile]; Leon, Cecilia; Ramírez-Estrada, Juan; Ly-Prieto, Alvaro; Abades, Sebastián; Hayes, Loren D.; Soto-Gamboa, Mauricio; Ebensperger, Luis A. (OXFORD UNIV PRESS INC, 2018)

Alternative morphotypes have been reported in males of different taxa. In some mammals, highly masculinized and slightly masculinized males represent 2 opposite ends along a gradient of phenotypic variation in males. This ...
Multiple mating is linked to social setting and benefits the males in a communally rearing mammal

Abades, Sebastián [Univ Mayor, GEMA Ctr Genom Ecol & Environm, Fac Ciencias]; Correa, Loreto A. [Univ Mayor, Escuela Med Vet, Fac Ciencias]; Ebensperger, Luis A.; Ly Prieto, Alvaro; Pérez de Arce, Felipe; Hayes, Loren D. (OXFORD UNIV PRESS INC, 2019)

Individuals in social species may mate with multiple opposite-sex individuals, including members of the same or different social groups. This variation may be linked to genetic benefits, where multiple mating decreases ...