Photos by Chris Brown

Scientific name: Hyla regilla

Common name: Pacific Treefrog

Size: 1.0-2.0 in (2.5-5.0 cm)

Distinguishing characters: A small species with a prominent dark brown or black eyestripe; variable dorsal coloration of shades of green, tan, reddish, grey, brown or black; dark triangular blotch on head; variable dark blotches or spotting depending on color phase, which can change dramatically from dark to light in a short time; venter whitish or cream with yellow on undersides of legs and lower abdomen; toe webbing reduced; small toe pads; smooth skin.

Juveniles: Similar to adults, although usually uniform in dorsal coloration.

Dimorphism: Male has yellow throat.

Similar Species: Hyla cadaverina: Lacks eyestripe, has roughened-warty skin, larger toe-webbing and pads.

Additional notes: Can occur distant from surface water in a variety of habitats. This treefrog has been captured in amazingly all habitat types in the study area.

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