Elkhorn Slough Reserve hosts a variety of breeding raptors. In a typical year, there may be 2 pairs of white-tailed kites, 1 pair of red-tailed hawks, 1 pair of red-shouldered hawks, and 4 pairs of barn owls. These top carnivores are often good indicators of ecosystem health: if they fail to reproduce successfully, this may be the result of pesticide accumulation along the food chain or disturbance to native vegetated habitat.
Given this role as indicators of ecosystem health, we attempt to map all raptor nests on the Reserve and assess their reproductive success each year.
For more information or to get involved contact Susie Fork ( email ).