The study, published last month in Nature Communications, provides a detailed look at how frog and salamander skulls develop, and shows that the pattern for frogs is different than that of other vertebrates. The work could lead to a new understanding of how and why development may change during evolution. Leer más.
Paleobiologists Jason Head of the University of Nebraska-Lincoln and P. David Polly of Indiana University Bloomington found distinctions among snakes’ vertebral bones that matched those found in the backbones of four-legged lizards. Leer más.
Domestic felines are ravaging the highly specialized ecosystem of New Zealand, causing some people to actually call for a ban on the new ownership of the animals and for castration of currently owned pets. While the specialized endemic wildlife of that nation are of special concern, the birds, reptiles, and small mammals of the United States are also jeopardized. Leer más. |
A frog that can fit comfortably on a dime has been bred in captivity for the first time, researchers from the Smithsonian Conservation Biology Institute (SCBI) and the Smithsonian Tropical Research Institute (STRI) announced. Leer más.
New research supports the hypothesis that environmental stressors increase salamanders’ susceptibility to infection, based on chronic exposure to corticosterone, a stress hormone. Leer más.