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First report of complete albinism in Mazama americana (Erxleben, 1777) in the Biological Reserve of Tapirapé, Oriental Amazon, Brazil
Ribeiro, Raquel; Siqueira-Silva, Diogenes Henrique de.
  • Ribeiro, Raquel; Universidade Federal do Sul e Sudeste do Pará. Museu de Biodiversidade Tauari. Marabá. BR
  • Siqueira-Silva, Diogenes Henrique de; niversidade Federal do Sul e Sudeste do Pará. Instituto de Estudos em Saúde e Biológicas. Faculdade de Biologia. Laboratório de Neurociências e Comportamento. Marabá. BR
Acta sci., Biol. sci ; 42: e46734, fev. 2020. ilus, map
Artículo en Inglés | LILACS, VETINDEX | ID: biblio-1460935
ABSTRACT
Albinism is a genetic condition that results in total hypopigmentation of the eyes, fur, skin, hair, scales, and feathers of an organism. Albinism might result in a selective disadvantage for affected animals. Cases of albinism have been previously recorded in Neotropical vertebrates, such as reptiles, mammals, birds, and fish. However, observing albinism in a wild population is still considered to be a rare event. This paper reports a unique case of complete albinism in a red-brocket deer (Mazama americana) living in the Brazilian Amazon rainforest. The individual was observed within the Biological Reserve of Pará State, one of the most deforested regions of the Brazilian Amazon. The survival of the albino red-brocket deer in the wild can be related to mechanisms of apostatic selection, which theorize the survival of individual prey animals whose mutations make them less likely to be attacked by predators. In other words, the more different a prey animal is from others, the less likely it will be targeted by predators. The high abundance prey animals within the Biological Reserve of Tapirapé seems to support this prediction. This report exemplifies the importance of monitoring the biodiversity and promoting the conservation of favorable habitats to support species multiplicity in highly fragmented regions, as in the Brazilian Amazon.
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Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Ciervos / Albinismo Límite: Animales País/Región como asunto: America del Sur / Brasil Idioma: Inglés Revista: Acta sci., Biol. sci Año: 2020 Tipo del documento: Artículo Institución/País de afiliación: Universidade Federal do Sul e Sudeste do Pará/BR

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Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Ciervos / Albinismo Límite: Animales País/Región como asunto: America del Sur / Brasil Idioma: Inglés Revista: Acta sci., Biol. sci Año: 2020 Tipo del documento: Artículo Institución/País de afiliación: Universidade Federal do Sul e Sudeste do Pará/BR