
audiobook
In the humid canopies of Central and South America a remarkable lineage of tree frogs lives under a veil of green leaves. These amphibians stand apart from their hylid cousins by a suite of unusual traits: vertical pupils, a distinctive set of skin peptides, and a chromosome count of thirteen pairs. Their reproductive strategy is equally striking, with eggs laid in gelatinous clutches that hang from foliage above the water below. The opening chapters paint a vivid picture of their range, from the lowlands of Trinidad to the slopes of the Andes.
Drawing on decades of field observations and laboratory data, the author reorganizes this group into a clear subfamily and three genera, offering concise definitions and diagnostic features for each. Detailed descriptions cover webbing patterns, eye coloration, skeletal proportions, and even the chemistry of their skin secretions. The work also highlights the evolutionary significance of these frogs, suggesting they represent an early branch of the Hylidae family. Listeners will come away with a deeper appreciation for the diversity hidden in the rainforest canopy.
Language
en
Duration
~18 minutes (17K characters)
Publisher of text edition
Project Gutenberg
Credits
Produced by Chris Curnow, Joseph R. Hauser, Joseph Cooper and the Online Distributed Proofreading Team at https://www.pgdp.net
Release date
2010-02-08
Rights
Public domain in the USA.

b. 1930
A leading American herpetologist, he spent decades studying frogs and other amphibians in the Americas and helped shape modern amphibian research. His books and fieldwork opened up the rich diversity of tropical species for scientists and general readers alike.
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