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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 calling, by approach, and by going silent.
The common coquí, widely known as the coquí (Eleutherodactylus coqui), is a species of frog native to Puerto Rico belonging to the family Eleutherodactylidae.The species is named for the loud call the males make at night, which serves two purposes; the "co" serves to repel other males and establish territory while the "quí" serves to attract females. [2]
Sounds of North American Frogs was released on vinyl in 1958 on the Folkways Records label as part of its Science Series. [2] The album was produced by Bogert and Moses Asch and the cover was designed by Ronald Clyne. [3]
Coquí is a common name for several species of small frogs in the genus Eleutherodactylus native to Puerto Rico and the Virgin Islands. They are onomatopoeically named for the very loud mating call which the males of two species, the common coqui and the upland coqui, make at night.
Amphibians like frogs and toads can vocalise using vibrating tissues in airflow. For example, frogs use vocal sacs and an air-recycling system to make sound, while pipid frogs use laryngeal muscles to produce an implosion of air and create clicking noise. [7] Aquatic mammals such as seals and otters can produce sound using the larynx.
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The term echolocation was coined by 1944 by the American zoologist Donald Griffin, who, with Robert Galambos, first demonstrated the phenomenon in bats. [1] [2] As Griffin described in his book, [3] the 18th century Italian scientist Lazzaro Spallanzani had, by means of a series of elaborate experiments, concluded that when bats fly at night, they rely on some sense besides vision, but he did ...
Dryophytes gratiosus is the largest native tree frog in the United States, acquiring its name from the raucous and explosive call. [4] It is 5 to 7 cm (2.0 to 2.8 in) in head-body length. [5] It is variable in color, but easily recognizable due to the characteristic dark, round markings on its dorsum. Individuals may be bright or dull green ...