The kinetic skull is a key innovation that allowed snakes to capture, manipulate, and swallow
prey exclusively using their heads using the coordinated movement of eight bones. Despite …

Snakes are a diverse group of squamate reptiles characterized by a unique feeding system
and other traits associated with elongation and limblessness. Despite the description of …

Los censos de fauna son fundamentales para conservar la biodiversidad de una región o
área determinada. Además, frente a problemáticas de conservación de los ecosistemas …

Background Dipsadine snakes represent one of the most spectacular vertebrate radiations
that have occurred in any continental setting, with over 800 species in South and Central …

Sexual dimorphism of body size (SSD) is widespread in snakes and has been the subject of
numerous studies, but few have examined sexual shape dimorphism (SShD). The present …

Sexual dimorphism in snakes is generally described in association with body or tail size and
scale counts, with relatively few studies addressing intrasexual divergence in the skull. Here …

Snakes have high morphological variation, including between sexes. Most of these
variations are evidenced only by linear measurements, which are generally restricted to size …

Durophagous vertebrates feed on shelled prey and share many morphological traits; in
particular, high leverage jaws with robust jaw-closing muscles. Myliobatid stingrays are no …

Researchers often use skulls prepared by different techniques in geometric morphometrics
(GM). The main goal of this paper was to compare and measure errors in GM analyses using …

Although numerous studies have addressed some aspects of the cranial osteology of
Nearctic dipsadid species, only the species within the genera Heterodon and Carphophis …