USGS
black bar header
WERC
San Diego Field Station
Hyla cadaverina - California Treefrog
Photos by Chris Brown

Scientific name: Hyla cadaverina

Common name: California Treefrog

Size: 1.14-2.0 in (2.9-5.0 cm)

Distinguishing characters: A cryptically colored species, often resembling granitic stones; grey or light brown on dorsum with darker blotches; whitish venter; yellow on undersides of legs, groin and lower abdomen; conspicuous toe webbing and pads; dorsal skin roughened-warty.

Juveniles: Similar to adults.

Dimorphism: Male has dusky-yellow throat.

Similar species: Hyla regilla: Has prominent dark eyestripe; smoother skin; smaller toe webbing and pads.

Additional notes: A species most likely to occur along streams with abundant boulders and cobbles in channel. Distribution spotty and localized. Easily handled.

Juvenile California Treefrog
Return to Frogs and Toads


-- WERC Home -- Who We Are -- Where We Are -- What We Do -- What's New -- Outreach -- Contact Us -- Search --

USGS Privacy Policy, Disclaimer , Accessibility
Comments to: webmaster@werc.usgs.gov
URL: http://www.werc.usgs.gov/fieldguide/hyca.htm
Last update: 05 March 2003