Checklist of Amphibian Species and Identification
Guide
Pacific Treefrog, Pseudacris regilla
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| The Pacific Treefrog is the most commonly heard frog on the west
coast. The color of the individual can vary. They are most often a green
or a gray, but may also be brown or black. Within the same individual
it may change colors within only a few minutes from one color to another.
They usually have some dorsal markings as shown in the upper right photo,
but the photo to the right shows that there are exceptions. One thing
that goes without exception, however, is the dark band running through
the eye towards the front limb and the white underbelly. They are a small
treefrog attaining lengths up to 2 inches. The voice of this frog is known
around the world - the "ribbit" that Hollywood uses in all of its films
as the "standard" frog call is actually the call of the Pacific Treefrog! |
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| Below is a tadpole and newly transformed (metamorphosed)
froglet of the Pacific Treefrog. |
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| Although this species is called a treefrog, it has been found to be
more closely related to the Chorus Frogs of genus Pseudacris.
Below are more photos of the Pacific Treefrog. |
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