Reptiles have been moving around the globe for a long time, often assisted by humans. Skinks and geckos had dispersed to the remotest Pacific islands by about 1600 BCE, at least partly thanks to the aid of the first human colonists of those regions. Brown Tree Snakes (Boiga irregularis) were brought from Australasia to Guam during World War II. Leer más.
Though temperature-dependent sex determination is one of the most interesting things about reptiles, this mode of sex determination unfortunately does not extend to anoles. In iguanid lizards, sex determination has long be known to be a consequence of sex chromosomes, males being the heterogametic (XY) sex. Leer más.
Until now, Anolis omiltemanus was the only Mexican anole restricted to pine forests. However, in a new paper in Zootaxa, Gunther Köhler and colleagues have described a new species, A. peucephilis, from the southern Sierra Madre del Sur in southern Oaxaca, nearly 300 km from A. omiltemanus. Leer más.
A study came out last year (2013) about American box turtles (Terrapene ssp.) taxonomic classifications. Martin et. al sequenced DNA from all four recognized species and 11 subspecies of Terrapene with the exception of the northern spotted box turtle (Terrapene nelsoni klauberi). Leer más.
Después de varios meses de muestreo, hemos podido confirmar la presencia de salamandras en 28 parcelas de la ciudad, tres de las cuales están situadas dentro del perímetro de la antigua muralla de Alfonso II (el Patio de Pachu el Campaneru, el Cementerio de los Peregrinos y el Monasterio de las Pelayas), y otra más en los jardines de la Casa Sacerdotal, que se encuentra dentro de la muralla construida en el reinado de Alfonso X. Leer más.
