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Revista del Museo Argentino de Ciencias Naturales

On-line version ISSN 1853-0400

Abstract

URCOLA, Matías Ricardo. Chromatic aberrations in birds of the ornithological collection of the Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”. Rev. Mus. Argent. Cienc. Nat. [online]. 2011, vol.13, n.2, pp. 221-228. ISSN 1853-0400.

The paper makes out a strong case for determine chromatic aberrations that affect the coloring of the birds in the ornithological collection of the Museo Argentino de Ciencias Naturales de Buenos Aires. These alterations are due to excess or deficiency in the production and/or deposition of melanin pigment, the affect families belong to Tinamidae, Spheniscidae, Ardeidae, Threskiornithidae, Anatidae, Falconidae, Rallidae, Charadriidae, Columbidae, Strigidae, Momotidae, Furnariidae, Mimidae, Motacillidae, Emberizidae and Icteridae. Within the proposed changes, the partial leucism (40,5 %) is the most numerous, followed by pastel dilution (23,8 %), albinism (14,3 %) and finally brown aberrations, ino and partial eumelanism, each one of then had (7,1 %).

Keywords : Argentine birds; Chromatic aberrations; Albinism; Leucism; Melanism.

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