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Moses Asch. Sounds of North American Frogs is a 1958 album of frog vocalizations narrated by herpetologist Charles M. Bogert. The album includes the calls of 57 species of frogs in 92 separate tracks. The album was released on the Folkways Records label as part of its Science Series. By the 1990s, the album had developed a cult following and ...
Frog hearing and communication. Frogs and toads produce a rich variety of sounds, calls, and songs during their courtship and mating rituals. The callers, usually males, make stereotyped sounds in order to advertise their location, their mating readiness and their willingness to defend their territory; listeners respond to the calls by return ...
Cope's gray tree frog. Dryophrytes chrysoscelis. Hylidae. Secure (S5) Green tree frog. Dryophrytes cinereus. Hylidae. Apparently Secure (S4) Pine woods tree frog.
Cope's gray treefrog[2] (Dryophytes chrysoscelis) is a species of treefrog found in the United States and Canada. It is almost indistinguishable from the gray treefrog (Dryophytes versicolor), and shares much of its geographic range. Both species are variable in color, mottled gray to gray-green, resembling the bark of trees.
Upland chorus frogs are usually brown, grey -brown, or reddish -brown in color, with darker blotching. They grow from 0.75–1.5 inches (1.9–3.8 cm) in size. A white line is present on the head, above the upper lip. Dorsally, there are 3 longitudinal lines which may be complete or broken into spots and a triangular spot on the head usually ...
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Rana dorsalis Harlan, 1827. Hylodes gryllus (LeConte, 1825) The southern cricket frog or southeastern cricket frog (Acris gryllus) is a small hylid frog native to the Southeastern United States. [2] It is very similar in appearance and habits to the northern cricket frog, Acris crepitans, and was considered formerly conspecific (Dickerson 1906).
It resembles the call of the Pacific chorus frog rather closely but is less clearly two syllabled. When a whole chorus of them are heard, one can tell them apart from other groups. The Appalachian mountain chorus frog's call has a rate of 50 to 70 times a minute and can be continued for several minutes, though they usually stop in 15 to 20 seconds.