Amphibians

Western Toad (Bufo boreas ). Mostly nocturnal but also diurnal; occurs in riparian areas at Darwin Falls; hybridizes with the Red-spotted Toad (Bufo punctatus ).

Red-spotted Toad (Bufo punctatus ). Nocturnal; breeds in pools in Darwin Canyon; hides during the day in rodent burrows or under rocks; hybridizes with the Western Toad (Bufo boreas ).

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Figure 10.10
Darwin Falls, northeastern Argus Mountains.