1-2" (2.5-5.1 cm). Usually olive or gray to almost black; many dark spots on back. Dark stripe often runs from snout through eye; yellowish triangle on snout. Toes long, slender; outer toes of hind feet thick. Eye pupil vertical. Male has pear-shaped "tail."… read more
3-7" (7.7-18 cm). Largest native toad in U.S. Olive to dark brown, with relatively smooth, shiny skin. Elongate glands behind eyes touch prominent cranial crests. 1-2 white warts at corner of mouth. Other large warty glands on hind legs. Belly cream-colored.… read more
2-4 3/8" (5.1-11.1 cm). Brown to brick-red to olive, with patterns in lighter colors. Spots brownish, warts brown to orange-red. Elongate glands behind each eye, not touching prominent cranial crests. Belly usually spotted. Male has dark throat.… read more
2-4 3/8" (5.1-11.1 cm). A large, plump toad. Parotoid glands elongate, not touching prominent cranial crests (sometimes connected by spur). Brown to brick-red to olive, with various patterns in lighter colors...… read more
Wyoming Toad
Bufo baxteri (Bufo hemiophrys baxteri)
2-3 1/4" (5.1-8.3 cm). Large, with cranial crests fused into bony hump between eyes. Green or gray to brown, with dark warts; narrow light line down middle of back. Belly spotted. Parotoid glands oval, somewhat indistinct.… read more
2 1/2-5" (6.4-12.8 cm). Gray to green, with light-colored stripe down middle of back. Warts tinged with red and surrounded by black blotches. Male has pale throat. Oval glands behind eyes; lacks cranial crests.… read more
1 3/4-3" (4.5-7.7 cm). No cranial crests, but has large oval glands behind eyes. Male uniformly pale olive to yellow-green, with small darker flecks. Female has many large dark blotches on a yellowish ground. Both have pale throats and bellies.… read more
2-4 1/2" (5.1-11.4 cm). Prominent cranial crests converge to form bony hump on snout. Behind eyes, cranial crests meet elongate glands. Gray to olive to brown, with large, symmetrical, light-bordered dark blotches. Sharp-edged knob on each hind foot.… read more
1 1/4-2 1/8" (3.2-5.4 cm). Small, flat, bright-green toad with many small warts and black spots. Large glands behind eyes extend onto sides; cranial crests absent. Male has dark throat.… read more
Fowler's Toad
Bufo fowleri (Bufo woodhousii fowleri)
2 1/2-3 3/4" (6-9.5 cm). Mid-size, usually gray-brown toad with light stripe down middle of back. Large brown blotches on back, each with 3 or more rusty warts. Chest unspotted. Prominent cranial crests contact elongate parotoids. Yel...… read more
2-3 1/4" (5.1-8.3 cm). Large, with cranial crests fused into bony hump between eyes. Green to brownish-red, with brownish-red warts; light line down middle of back. Glands behind eyes oval, somewhat indistinct.… read more
2-3 1/4" (5-8 cm). Medium-sized, with prominent cranial crests thickened behind the eyes. Spur of crests contacts elongate parotoids. Light brown to gray, with dark mottling on back, sometimes producing vague oblique lines.… read more
4-9 1/2" (10-23.8 cm). A true giant. Brown to yellow-brown. Cranial crests prominent; body outline somewhat round and flattened. Enormous glands extending from behind eyes down sides of body.… read more
2-3" (5.1-7.7 cm). Medium-sized plump toad, olive to brown to pink, with dark spots on back. Usually has light stripe or patch on head and back. Parotoid glands oval, widely separated; forward ends light-colored. No cranial crests. Male throat not dark.… read more
1 1/2-3" (3.8-7.6 cm). Small, flat-bodied. Olive to grayish-brown, usually with reddish warts. Round glands behind eyes. Cranial crests weak or absent.… read more
3/4-1 1/4" (1.9-3.3 cm). The smallest toad in North America. Obvious white to orange stripe down middle of back; 4-5 pairs of dark blotches on back. Cranial crests not apparent. Elongate glands behind eyes. Male's throat dark.… read more
1 1/2-2 1/4" (3.8-5.7 cm). Small flat toad with green to greenish-yellow spots surrounded by striking broad pattern of black. Large, elongate parotoid glands extend onto sides. Cranial crests weak or absent. Male has dusky throat.
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2-3 5/8" (5.1-9.2 cm). Medium-sized, plump; indistinct cranial crests and widely separated oval glands behind eyes. Olive to grayish-brown, with greenish warts in darker spots. Two sharp-edged bumps on each hind foot. Flap of skin covers deflated vocal sac.… read more
1 5/8-4 1/2" (4.1-11.3 cm). Large, plump. High, conspicuously knobby cranial crests and prominent glands behind eyes. Brown, reddish, or black; some dark spotting may surround warts. Occasional light stripe down middle of back. Male has dark throat.… read more
2-5 1/8" (5-13 cm). Brown to black, with orange highlights and white spots; light-bordered dark band along side. Usually a light stripe down middle of back. Cranial crests prominent; depression between them on top of skull. Male has yellow-green throat.… read more
2 1/2-5" (6-12.7 cm). Large, plump, toad with light stripe down middle of back. Prominent cranial crests contact elongate parotoids. Yellow, green, brown, or grayish, often with dark spotting. Resembles American Toad but has more pointed snout.… read more
5/8-1 1/2" (1.6-3.8 cm). Skin rough; greenish-brown, yellow, red, pinkish, or black. Dark triangle between eyes and longitudinal dark stripes on back of thigh. Snout rounded. Legs relatively short. Webbing on hind foot quite extensive.… read more
5/8-1 1/4" (1.6-3.2 cm). Tiny; rough skin; red, brown, black, or green. Dark triangle between eyes; dark stripes down back of thigh. Snout pointed. Legs relatively long. Webbing of hind foot does not reach tip of first toe or next-to-last joint of longest toe.… read more
1 1/8-2" (2.9-5.1 cm). Bright green, with white-edged lavender stripes on side. Hidden surface of thighs orange; toe pads large.… read more
1 1/4-2 1/4" (3.2-5.7 cm). Plump and warty, with a toadlike appearance. Olive to brownish-gray, with darker blotches in most populations. Dark-edged light spot beneath eye. Thigh yellow to orange below. Large toe pads. Male has gray to black throat.… read more
1 1/8-2 1/8" (2.9-5.2 cm). Greenish, brownish, or shades of gray, with darker blotches on back; dark-edged light spot beneath eye. Hidden surfaces of thigh green to greenish-yellow. Toe pads large.… read more
1 1/4-2 3/8" (3.2-6 cm). Skin rough; greenish or brownish to gray, with several large dark blotches on back. Dark-edged light spot beneath eye. Under surfaces of thighs bright yellow-orange. Large toe pads.… read more
1 1/4-2 1/2" (3.2-6.4 cm). Bright green, yellow, or greenish-gray. Has sharply defined light stripe along upper jaw and side of body; side stripe occasionally absent. Sometimes has tiny, black-edged gold spots on back. Large toe pads.… read more
3/4-2 1/4" (1.9-5.7 cm). Skin smooth; green, sometimes tan or black, with a light-edged purple to black stripe from snout through eye and along side, sometimes to hind leg. Occasionally has longitudinal dark bars on lower back. Toe p...… read more
1-1 3/4" (2.5-4.4 cm). Gray to reddish-brown, usually with dark blotches; yellow to white spots on dark rear surface of thigh visible only when leg is extended. Has large toe pads.… read more
2-2 3/4" (5.1-7 cm). Plump, with granular skin. Bright green, yellow, gray, or dark brown; dark spots usually present in lighter phases. Yellowish stripes run from upper jaw along sides of body. Large toe pads. Male has a green or yellow throat.… read more
7/8-1 5/8" (2.2-4.1 cm). Poorly defined white stripe along upper jaw and side of body, sometimes absent. Body green to brown, plain to spotted; may have yellow flecks on back; sometimes a dark bar between eyes. Large toe pads.… read more
1 1/4-2 3/8" (3.2-6 cm). Skin rough; greenish or brownish to gray, with several large dark blotches on back. Dark-edged light spot beneath eye. Undersurfaces of thighs bright yellow-orange. Large toe pads.… read more
1 1/2-5 1/2" (3.8-14.0 cm). Largest treefrog in North America. Skin is warty; green, bronze, or gray. Enormous toe pads as large as external ear. Skin on top of head is fused to skull.… read more
1-1 1/2" (2.5-3.8 cm). Small, brown to green, with 2 back-to-back, crescent-shaped dark stripes, which may touch to form an irregular X. Broad lateral stripes pass through eye. Belly yellowish. Small round toe tips. read more
1-1 1/4"(2.5- 3.2 cm). Slender, tan with black stripe from snout through eye to groin. Usually 3 longitudinal dark stripes and dark spots on chest. No transverse dark mark between eyes. Small round toe tips.… read more
California Treefrog
Pseudacris cadaverina (Hyla cadaverina)
1-2" (2.5-5.1 cm). Skin rough, gray, with dark blotches. Dark stripe through eye usually absent. Expanded toe pads; webbing extends to tip of fifth toe of hind foot. Male has gray throat. read more
3/4-1 1/4" (1.9-3.2 cm). Small and gray with black-edged bright-green blotches. Blotches sometimes fuse to form longitudinal stripes. Green stripe through eye. Small round toe tips.… read more
3/4-1 3/8" (1.9-3.5cm). Tan to brown to gray, with characteristic dark X on back. Large toe pads.Voice:A high-pitched ascending whistle, sometimes with a short trill. Chorus sometimes with a short trill. Chorus sounds like the jingl...… read more
3/4-1 3/8" (1.9-3.5 cm). Tan to brown to gray above, with darker X mark on back. Belly pale and unmarked. Large toe pads...… read more
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