Snakes in these urban populations, they write, “accumulate trace elements, which are expelled when the skin is sloughed.” By measuring levels of trace elements in the evenly colored populations ...

The reptile section comprises four chapters focusing ... clear anatomical line diagrams, and color and radiographic images. Each section contains excellent references, and the text as a whole ...

the snake is colorful and beautiful — but in a dark, mysterious way. This nocturnal reptile has mysterious habits, too, spending most of its time in South Florida waterways concealed behind aquatic ...