摘要: The frogs and toads of North America : a comprehensive guide to their identification, behavior, and calls, Lang Elliott, Carl Gerhardt, and Carlos Davidson. 0618663991, Toronto Public Library出版时间: March 2009 ISBN: 978061866399-6
b.Any of various usually aquatic members of this order having smoother skin and longer hind legs than the toads. 2.A wedge-shaped, horny prominence in the sole of a horse's hoof. 3.A loop fastened to a belt to hold a tool or weapon. ...
Based on these studies and anecdotes about frog imitations by northern mockingbirds (Mimus polyglottos), we hypothesized which anuran models would be most likely to get imitated by mockingbirds across their geographic range. We tested our hypothesis using >40?h of archived mockingbird recordings. ...
This short playlist shows calling Green Frogs in northeastern Ohio observed at night in May. In the background you can hear the calls of American Toads, Gray Treefrogs and Spring Peepers. Watch the first frog closely: after each call, he pulls his eyes down into his head and quickly covers...
Anne’s money soon ran out and Rubén went back to selling drugs outside The Frog. Literature Ce module sera plus tard développé pour devenir le module indépendant "DA2 – Temple of the Frog" pour la version "experte de Donjons et Dragons (TSR, 1986). This scenario was later develop...
The different types of frogs can be told apart in many different ways. The biggest difference is between frogs and toads in North America. Frogs are skinnier than toads and their skin is smooth and looks slimy. Toads have wider bodies and their skin is drier and rough and warty. In some...
1.(Animals) any arboreal frog of the familyHylidae, chiefly of SE Asia, Australia, and America. They are strong jumpers and have long toes ending in adhesive discs, which assist in climbing 2.(Animals) any of various other arboreal frogs of different families ...
【题目】 Read the passage and answer the questions below.Frogs at RiskSouth America's frog populations are on the decline.T hat spells trouble for theenvironment.T he mountains and thick forests of Ecuador, in South America, are home to 417types of frogs and toads. T iny red-cyed trec ...
内容提示: Frogs and Toads Alaska is home to one species of toad, the western toad (Bufo boreas), and two species of frog, the Columbia spotted frog (Rana luteiventris) and the wood frog (Rana sylvatica). The distribution of the western toad is restricted to the western United States ...