THE life histories of North American frogs and toads form the subject of a memoir entitled "North American Anura—Life histories of the Anura of Ithaca, New York," by Mr. A. H. Wright, just received from the Carnegie Institution of Washington. In the introduction to this highly interesting...
13.A.studies B.rulesC.differences D.competitions答案 C解析由本句中的“frogs and toads”以及生存知识可知,这里谈论的是它们的“不同(differences)”。14.A.tasks B.sportsC.shows D.programs答案 B解析 由本句中的“basketball and soccer”可知,此处谈论的是两个“运动(sports)”项目。15.A.interested B...
(thigmothermy), and diurnal and annual avoidance behaviors, which include moving to shelter during the day for cooling and hibernating or estivating (reducing activity during cold or hot weather, respectively).Heliothermy is especially common among frogs and toads: it allows them to increase ...
This classic of both biological fieldwork and natural sound recordings, originally released by Folkways in 1958, presents 57 species of frogs and toads on 92 tracks, digitally remastered from the original master tapes. Compiled and narrated by renowned herpetologist Charles M. Bogert, these sounds ...
Toads belong to the frog family, so technically, while all toads are frogs, not all frogs are toads. One way to tell frogs and toads apart is by their skin. Toads have dry skin that is bumpy. Frogs have moist skin that is smooth. There are more than 4,000 species of frogs. The ...
(Animals) any of various large frogs, such asRana catesbeiana(American bullfrog), having a loud deep croak Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014 ...
We included a number of species-specific factors in models. We examined general taxonomic differences between Anurans (frogs and toads) and Caudates (salamanders and newts), as well as differences related to life history traits within each of the broad taxonomic groups. These traits included averag...
Male frogs and toads sometimes make a variety of sounds. These calls can have different functions. Advertisement Calls The advertisement call is the most well-known call of a frog or toad. It is made by a male during the breeding season to establish his territory and repel rival males and...
Evolution and Origins Toads are suitably adapted for terrestrial life and have thicker and more resistant skin compared to most frogs. Their hind feet are slightly webbed, which helps them to burrow into the soil to keep warm in colder temperatures. Not surprisingly, the cane toad, as well as...
Approximately 110 species of amphibians (18 frogs and toads, and 1 salamander) and reptiles (47 snakes, 39 lizards, and 5 turtles) are known from the American Madrean Archipelago and adjacent valleys. The high diversity of the herpetofauna comes from a variety of factors, including a convergence...