Revista de Biología Tropical ISSN Impreso: 0034-7744 ISSN electrónico: 2215-2075

OAI: https://revistas.ucr.ac.cr/index.php/rbt/oai
Reprodudive charaderistics of the black-tailed brush lizard, <i>Urosaurus nigricaudus</i> (Phrynosomatidae)
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Keywords

baja california sur
méxico
black-taíled brush ¡izard
urosaurus nigricaudus
reproduclion

How to Cite

Romero-Schmidt, H. L., Ortega-Rubio, A., & Acevedo-Beltran, M. (1999). Reprodudive charaderistics of the black-tailed brush lizard, <i>Urosaurus nigricaudus</i> (Phrynosomatidae). Revista De Biología Tropical, 47(4), 1111–1115. https://doi.org/10.15517/rbt.v47i4.19317

Abstract

The reproductive characteristics of Urosaurus nigricaudus al El Comitán, Baja California Sur, México, were deterrnined through the necropsy of 33 males and 60 females during 1992. The average size of clutch per female was 4.06 ± 1.86 eggs; 3.58 eggs for the first c\utch and 4.75 eggs for the second c\utch. Testicular size exhibíts two peaks, one each in May and August. Female and male reproductive cycles are synchronized. In comparison with other Urosaurus species, U. Nigricaudus is atypical because males have two peaks of testicular mass.
https://doi.org/10.15517/rbt.v47i4.19317
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