During this time, the males fight with other males over females. It is the belief of native Americans that an individual tree frog co-exists for every person. An airplane is heard in the background. Contributors. The Pacific tree frog , also known as the Pacific chorus frog, has a range from the West Coast of the United States to British Columbia, in Canada. An airplane is heard in the background. Since these frogs are so widespread geographically, their breeding season is thought to be determined by local conditions. How to Tell if Your Tree Frog Is Male or Female. They occur in shades of greens or browns and can change colors over periods of hours and weeks. These frogs were of cultural significance to Native Americans. Release Call They live in forest with rivers and streams, and very tall standing trees.They lay their eggs wherever water is throughout the forest. Although called tree frogs, Northern Pacific Tree Frogs are not usually tree climbers, preferring a ground habitat among shrubs or grasses near water. This is a 17 second recording of land calls of a single Northern Pacific Treefrog during daylight in October on a wooded trail, King County, Washington. Adaptation of gray tree frog. This adult frog was found as seen here about 10 feet up in a tree producing a land call one afternoon in Thurston County, Washington. The males call both from inside and outside the water. They do climb high vegetation. To read more about Pacific Tree Frogs and their mating habits, click this link. When the human sounds are similar to the territorial call, the frog reponds likewise. The Pacific tree frog , also known as the Pacific chorus frog, has a range from the West Coast of the United States to British Columbia, in Canada. They are on the earth only during mating season. Their outstanding capability to camouflage helps them to protect themselves from predators. As a result of this belief, they showed great respect towards these animals. Behavior of the gray tree frog. Their call is the most common frog vocalization heard in the regions they inhabit; in fact, their croaking rib-bit call sung by a chorus of frogs is the source of another common name, Pacific Chorus Frogs. The dorsal coloration of these color-changing, sometimes mottled, frogs also varies genetically: green, reddish, tan, gray, brown, or black, but typically green or shades of brown (Leonard et al., 1993; Stebbins, 2003). Reproduction, development and behavior. Identification: Pseudacris regilla is a small hylid (treefrog) with a SVL (snout-vent length) of 19-50 mm (0.75-2 in) and small toe pads (disks) (Stebbins, 2003). Eggs of the Pacific tree frog may be consumed by the rough-skinned newt and other amphibians. During this time, the males fight with other males over females. A male Northern Pacific Treefrog on a pond in the Cascades Mountains of Washington responds to the frog-like sounds made by a human. If they are threatened by a predator, they suddenly flash these colored areas to startle the predator, allowing the frog to leap away. This is a 17 second recording of land calls of a single Northern Pacific Treefrog during daylight in October on a wooded trail, King County, Washington. Recently buy a pet frog and unsure what to name it? Behavior of the Tree Frog. The male frogs move to breeding locations and calls to attract the females. The Pacific tree frog (Pseudacris regilla), also known as the Pacific chorus frog, has a range spanning the Pacific Northwest, from Northern California, Oregon, and Washington to British Columbia in Canada and extreme southern Alaska.