Elaborates a Normal Table of the development of the South African toad Xenopus laevis in the form of a systematically arranged continuous text. A separate chapter contains well defined external and
Wendy Pfeffer describes the amazing metamorphosis from tiny, jellylike egg, to little fishy tadpole, to great big bullfrog. Holly Keller has created the archetypal frog pond and we see it through the
Presents interesting facts about frogs, including how their bodies change as they grow from tadpoles into frogs, how they make sounds that can mean different things, how they hibernate, and how they d
Introduces the characteristics and behavior of a variety of frogs and other amphibians from A to Z, beginning with the Amazon Horn Frog and ending with the Zig-Zag Salamander
Introduces the characteristics and behavior of a variety of frogs and other amphibians from A to Z, beginning with the Amazon Horn Frog and ending with the Zig-Zag Salamander
In a Panamanian pond, male t￡ngara frogs (Physalaemus pustulosus) gather in choruses, giving their "advertisement" call to the females that move among them. If a female chooses to make physical conta
