Geographic Variation in the White-Throated Woodrat (Neotoma albigula) from New Mexico, Texas, and Northern Mexico

21 May 1981

journal article
research article
Published by JSTOR in The Southwestern Naturalist

Vol. 26 (2) , 167-181
https://doi.org/10.2307/3671113

Abstract

Nongeographic and geographic variation in the white-throated woodrat (Neotoma albigula) from New Mexico, Texas, and northern Mexico were assessed. A total of 648 adult woodrats (277 males and 371 females) representing 323 individual localities were grouped into 53 samples. Due to sexual dimorphism, univariate and multivariate analyses were performed separately on 11 cranial measurements of both males and females. Three subspecies, N. a. albigula, N. a. subsolana, and N. a. warreni, are recognized in the region studied. N. a. melas and N. a. robusta, two melanistic races from New Mexico and Trans-Pecos Texas, are synonomized with N. a. albigula.

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