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The California tiger salamander is a terrestrial species that spends most of its time underground in the burrows of small mammals such as California ground squirrels, emerging for only brief periods to breed. Breeding occurs in temporary pools and in the more .. permanent waters of grassland and open woodland. Mass movements of individuals to breeding places takes place during warm rains, mainly from December to February. (Stebbins 1985.) California tiger salamanders will migrate up to 1 mile to breeding sites. California tiger salamanders have been recorded at two locations, 0.5 and 1.5 miles from the project site (Natural Diversity Data Base 1990) (Figure 4). Vernal pools are the only suitable breeding habitat for salamanders on the project site. The project site lakes are unsuitable for breeding because they support predatory fish (Brode pers. comm.). Two stock ponds occur 0.5 mile south of the project site and may be potential breeding habitat for tiger salamanders. If tiger salamanders are breeding in either of these ponds or in the project site vernal pools, all upland habitat within 1 mile could be occupied. Our surveys were conducted too late in the year to detect salamander larvae. Fairy Shrimp — Two fairy shrimp species endemic to California could occur in vernal pools at the project site: the vernal pool fairy shrimp and California linderiella. These species will be placed on the next federal candidate list. (Nagano pers. comm.) Fairy shrimp occur in a rapidly declining habitat, and several fairy shrimp species are known from a limited number of locations. Holland (1978) found that by the late 1960s all but 11% of the original California grasslands that support vernal pools remained; habitat loss is continuing. The vernal pools were dry during our field surveys, so we could not sample for fairy shrimp. - - - 23