We found that the foraging activity of S. perspicillata is positively affected by body size and negatively affected by potential competitor’s activity on the forest floor during the sampling, which also significantly weakened the positive relationship with body size. These results suggest the presence of an interference/interaction occurring between the two species and affecting the foraging activity of S. perspicillata. This competitive interaction is size mediated and configured as interference competition rather than exploitative competition. Leer más.

Expertos de biología y ciencia descubrieron una nueva especie de salamandra en Cundinamarca recientemente. El hallazgo se dio en el municipio de Bojacá y el anfibio fue bautizado por los especialistas como Bolitoglossa muisca. Leer más.

Un estudio realizado durante 8 años sobre las salamandras gigantes americanas (‘Cryptobranchus alleghaniensis’) que viven en los ríos fríos y rocosos del suroeste de Virginia (EE.UU.) indica que los machos de la especie consumen cada vez más a sus propias crías en áreas cercanas a bosques talados. Leer más.

We describe a new species of Selvasaura lizard from the western slopes of the eastern Andes of central Peru. Among other characters, the new species differs from congeners in having keeled dorsal scales and more transverse rows of scales on dorsum. We present a phylogeny as additional evidence supporting delimitation of the new species. Leer más.

We describe a new species of Eleutherodactylus (subgenus Syrrhophus) from Guerrero, Mexico, based on morphological and molecular data, as well as advertisement call analysis. Eleutherodactylus franzi sp. nov. has unique features including widely expanded fingertips, indistinct, but visible lumbo-inguinal glands, an immaculate white venter and dark reticulations on a cream dorsal background colouration.  Leer más.