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Western spadefoot

Spea hammondii Habitat: Grasslands, vernal pools/playas; elevation up to 4,500 feet Survey Window: Dec 1–Mar 31 • Three nocturnal surveys, each survey conducted after/during rain event of 0.25 inches or greater • Approximate 10-meter transects • General season, weather conditions may alter survey season

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Mountain yellow-legged frog

Rana muscosa Habitat: Riparian, pond; elevation 1,000–6,900 feet Survey Window: May 1–Aug 30 • Three diurnal surveys • Each survey separated by minimum 7 days

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California tiger salamander

Ambystoma californiense Habitat: Grasslands, vernal pools/playas Survey Window: Mar 1-May 30; October 1-March 15 • Larval survey: Three surveys, one each in March, April, and May; 10-day interval between surveys • Drift fence survey: October 15-March 15; surround ponds and additional fences equaling 90% of site perimeter; traps open at..Read More

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California red-legged frog

Rana draytonii Habitat: Riparian, pond; elevation up to 4,500 feet Survey Window: Jan 1-Sep 30 • At least one survey before August 15 with a minimum 6-week survey period • Jan 1-Jun 30: 2 diurnal surveys and 4 nocturnal surveys • Jul 1-Sep 30: 1 diurnal survey and 1 nocturnal..Read More

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Arroyo toad

Anaxyrus californicus Habitat: Alluvial, scrub, riparian; elevation 1,000–4,500 feet Survey Window: Mar 15–Jun 30 • At least one survey in April, May, and June • Six paired nocturnal/diurnal surveys • Minimum 7-day interval between surveys • Surveys should not occur during or near full moon period

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