Frogs Flashcards
Ascaphus truei
Ascaphidae NW CA Rough, rock colored skin Broad outermost toe "Tail"
Xenopus laevis
Pipidae
SW CA- introduced
Black claws
Lateral lines
Spea hammondii
Scaphiopodidae
Coastal and Central CA
wedge spade
crest- no boss
Spea intermontana
Scaphiopodidae
NE CA
wedge space
crest- boss
Scaphiopus couchii
Scaphiopodidae
SE CA
sickle shaped spade
Pseudacris regilla
Hylidae
All over except SE CA
eye stripe
Pseudacris cadaverina
Hylidae
So cal
faint eyestripe
Bufo alvarius
Bufonidae
SE
large adult
whitish corner of mouth
Bufo punctatus
Bufonidae
SE
red spots surrounded by black outline, no stripe
Bufo canorus
Bufonidae Sierra Nevada hairline dorsal stripe flattened parotoid glands Sexually dimorphic
Bufo exsul
Bufonidae
Sierra Nevada
white dorsal stripe
black color, marbled stomach
Bufo boreas
Bufonidae
All over not SE
white dorsal stripe, lack of crest
Bufo californicus
Bufonidae
SW
short snout, light stripe on head and eyelid
weak crest, no crest
Bufo cognatus
Bufonidae SE pale bordered dark blotches crest- boss sometimes stripe
Bufo woodhousii
Bufonidae
SE
elongated parotoid glands, crest stays separated
white dorsal stripe
Rana aurora
Ranidae Northern red-legged frog NW coast Dark mask, pale stripe on upper jaw Red venter and legs
Rana draytonii
Ranidae
California Red-legged frog
NW coast, into N Sierras
Rana pretiosa
Ranidae
Oregon spotted frog
Isolated localities NE
less molting on sides, rough skin, complete webbing
Rana cascadae
Ranidae Cascades frog Northern CA dorsolateral folds orange-yellow on sides and venter
Rana boylii
Ranidae Foothill yellow legged frog Foothills onf coastal and Sierras paler folds triangular patch on snouth granular skin
Rana muscosa
Ranidae Mountain yellow legged frog Sierras smooth skin dorsolateral folds
Rana sierrae
Ranidae
Sierra Nevada Yellow-legged frog
Sierra Nevada
Muscosa
Rana catesbeiana
Ranidae
Bullfrog
widespread- introduced
Large, no dorsolateral folds
Rana pipiens
Ranidae
Northern leopard frog
Widespread, isolated populations in CA- introduced
light line on upper jaw, numerous well-defined oval or round dark spots outlined in parl color or white on its sides
Rana sphenocephala
Ranidae
Southern leopard frog
Introduced
light spot on tympanum
Rana berlandieri
Ranidae
Rio Grande leopard frog
SE- introduced
broken dorsolateral folds, lighter dorsal spots, less clearly edged with color
Rana yayapaiensis
Ranidae historically in SE but now extirpated shorter limbs than R. pippins more rounded head dorsolateral folds broken into short segments
