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Euphlyctis cyanophlyctis is a common dicroglossid frog found in South Asia. [1] It is known under numerous common names, including Indian skipper frog or skittering frog. [2] They are often seen at the edge of bodies of water with their eyes above the water. They noisily move away from the shore when disturbed, giving them their common name.
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Frogs are more often heard than seen, and other frogs (and researchers) rely on their calls to identify them. Depending on the region that the frog lives in, certain times of the year are better for breeding than others, and frogs may live away from the best breeding grounds when it is not the species’ mating season.
In 1852, H. F. Stannius used a frog's heart in a procedure called a Stannius ligature to demonstrate the ventricle and atria beat independently of each other and at different rates. [224] The African clawed frog or platanna (Xenopus laevis) was first widely used in laboratories in pregnancy tests in the first half of the 20th century.
Pipid frogs are highly aquatic and have numerous morphological modifications befitting their habitat. For example, the feet are completely webbed, the body is flattened, and a lateral line system is present in adults. [1] In addition, pipids possess highly modified ears for producing and receiving sound under water.
The quacking frog (Crinia georgiana), also known as the red-thighed froglet [2] due to its legs tending to be bright red, is a species of frog from the Myobatrachidae family and is in a clad with five other species. The frog is well known for the sound it produces which resembles a quack.
The historical background of natural sounds as they have come to be defined, begins with the recording of a single bird, by Ludwig Koch, as early as 1889.Koch's efforts in the late 19th and early 20th centuries set the stage for the universal audio capture model of single-species—primarily birds at the outset—that subsumed all others during the first half of the 20th century and well into ...
Local mining can cause sediment runoff that reduces stream quality and can even poison frogs. Logging and the resulting forest clearing can pose similar issues to stream quality. The global chytrid fungus epidemic has caused steep declines in Archey's frog populations and is thought to pose a threat to Hochstetter's frogs, as well. [2] [5] [6]