Name: Northern Pacific Tree Frog (Pseudacris regilla) Other names: Pacific chorus frog Higher classification: Chorus frog Taxonomy:
Description: The Pacific tree frog grows up to 2 inches from snout to urostyle. The males are usually smaller than the females and have a dark patch on their throats. The dark patch is the vocal sac, which stretches out when the male is calling. Pacific tree frogs can be a number of different colors, including green, tan, reddish, gray, brown, cream, and black, but most are a shade of green or brown, with pale or white bellies. They have a variety of dark and spotty markings on their backs and sides and can be identified by a black or dark brown eye stripe that stretches from the nose, across the eye, and back to the shoulder. They can change color seasonally to better match their environments. Their skin is covered in small bumps. Distribution: Pacific tree frogs are common on the Pacific coast of Oregon and Washington, but they are found from extreme northern California to British Columbia. They can also be found in Idaho. A small population also exists in a pond on Revillagigedo Island near Ketchikan, Alaska, having been intentionally introduced there in the 1960s. Habitat: They are found upland in ponds, streams, lakes and sometimes even further away from water; their habitat includes a wide variety of climate and vegetation from sea level to high altitudes. The Pacific tree frog makes its home in riparian habitat, as well as woodlands, grassland, chaparral, pasture land, and even urban areas including back yard ponds. Mating: The species attracts mates using a choral song. Males call to females as loudly as possible and produce a croak so loud that they sound as though they are produced by multiple males. These sounds can be heard by numerous females. Once a female approaches, the male stops singing and attempts amplexus. Reproduction: The females lay their eggs in clumps of 10-90, and usually put them on and under vegetation and leaf litter in the pond. Fun fact: In 2007, Pacific Chorus Frog was named as the state frog for the state of Washington (USA).
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AboutDymadex's blogs on reptiles and amphibians. Reptiles are tetrapod animals characterized by scaly skin. Amphibians are ectothermic, tetrapod vertebrates characterized by smooth skin. Archives
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