By Michael Hutchins

V. 1. decrease metazoans and lesser deuterostomes / Neil Schlager, editor -- v. 2. Protostomes / Neil Schlager, editor -- v. three. bugs / Neil Schlager, editor -- v. 4-5. Fishes I-II / Neil Schlager -- v. 6. Amphibians / Neil Schlager, editor -- Reptiles / Neil Schlager, editor -- v. 8-11. Birds I-IV / Donna Olendorf, undertaking editor -- v. 12-16. Mammals I-V -- v. 17. Cumulative index.; ''This is a revised and up-to-date variation of 1 of the main authoritative and entire assets at the world's animals. just like the 1st variation written by means of famous zoologist Bernard Grzimek and released in 1972, the second one version covers all kinds of animals in geographic parts world wide. It contains fine quality images and illustrations and a finished index to all volumes.''--''The most sensible 20 Reference Titles of the Year,'' American Libraries, may well 2004

Show description

Read or Download Grzimek's Animal Life Encyclopedia. Amphibians PDF

Similar zoology books

Zoology in Early Modern Culture: Intersections of Science, Theology, Philology, and Political and Religious Education (Intersections: Interdisciplinary Studies in Early Modern Culture, Volume 32)

This quantity attempts to map out the interesting amalgam of alternative, in part conflicting ways that formed early glossy zoology. It demonstrates that theology and philology performed a pivotal position within the complicated formation of this new technological know-how.

Peacemaking among Primates

Does biology condemn the human species to violence and warfare? past stories of animal habit incline us to reply to certain, however the message of this e-book is significantly extra confident. with no denying our historical past of competitive habit, Frans de Waal describes strong exams and balances within the make-up of our closest animal kin, and in so doing he exhibits that to people making peace is as average as making struggle.

Extra info for Grzimek's Animal Life Encyclopedia. Amphibians

Sample text

Likewise the pelvic girdle is modified with exceedingly long ilial shafts and a large acetabulum, and the end of the vertebral column is a long, bony rod to accommodate the complex, robust muscles involved in jumping. , ascaphids, bombinatorids) feed in much the same way as unspecialized salamanders. However, most anurans have developed a complex hyobranchial apparatus and associated musculature that permits them to catapult their tongues from their mouths to pick up prey. Once the prey is in the mouth, anurans retract their eyes into the orbital opening to help push the food into the pharynx and esophagus.

In contrast, in hemiphractine hylids, the usual larval stages are present within the egg capsules of those species with direct development. Possibly, the production of tadpoles in some species of marsupial frogs (Gastrotheca) is an example of Grzimek’s Animal Life Encyclopedia Vol. 6: Amphibians Reproduction Anuran reproductive strategies: 1. An eastern newt (Notophthalmus viridescens) carefully wraps her eggs individually in vegetation with her hind feet; 2. A tiger salamander (Ambystoma tigrinum) guards her aquatic clump of eggs; 3.

The diversity of lissamphibian body plans Salamanders Of the three living orders of lissamphibians, salamanders are the generalists. Typically they have elongate bodies, small heads, four limbs, a tail, and a sprawling gait. The rather arched, narrow skulls of most terrestrial salamanders are not well roofed; nonetheless, they have more bones than those of frogs and caecilians. A salamander skull also bears an additional articulation (total of three, instead of two) with the vertebral column. It is thought that this provides extra support for the head, for these animals lack the specialized trunk musculature that supports the heads of frogs and caecilians.

Download PDF sample

Rated 4.73 of 5 – based on 27 votes