Southern Mountain Yellow-legged Frog vs. Foothill Yellow-legged Frog

Their ranges once met along streams of the southern Sierra and the coast ranges of southern California. A: Plain pale grey, off-white or dusky, no dark band in the Southern Mountain Yellow-legged Frog; dark mottling on the throat and upper chest, often forming a band or inverted V in the Foothill Yellow-legged Frog. B: The same colour as the rest of the head, no pale patch in the Southern Mountain Yellow-legged Frog; a pale grey to yellowish triangle across the top of the snout in the Foothill Yellow-legged Frog. C: Fairly smooth, with small, rounded, flat-topped bumps and lichen-like mottling in the Southern Mountain Yellow-legged Frog; very rough and pebbly, studded with tiny pointed spines in the Foothill Yellow-legged Frog. D: Faint, broken or low, hidden by the mottling in the Southern Mountain Yellow-legged Frog; low and rounded but continuous along the front two-thirds of the body in the Foothill Yellow-legged Frog.

Photographs via iNaturalist under Creative Commons licences; the photographers are credited on the sheet.

More comparisons

• Southern Mountain Yellow-legged Frog vs. Sierra Nevada Yellow-legged Frog
• Southern Mountain Yellow-legged Frog vs. California Red-legged Frog
• Foothill Yellow-legged Frog vs. Northern Red-legged Frog
• Foothill Yellow-legged Frog vs. Cascades Frog
• Oregon Spotted Frog vs. Foothill Yellow-legged Frog
• California Red-legged Frog vs. Foothill Yellow-legged Frog
• Sierra Nevada Yellow-legged Frog vs. Foothill Yellow-legged Frog
• Coastal Tailed Frog vs. Foothill Yellow-legged Frog
• Foothill Yellow-legged Frog vs. American Bullfrog

Wildsight identifies the reptiles and amphibians of the United States. Every comparison