The center plans to monitor a turf war between two squirrel species: the western gray squirrel, which is disappearing from its historic range because of urban sprawl and strong competition from the more adaptable eastern fox squirrel, which was introduced to the region in the early 1900s. (latimes.com)
Delgado looked for this spatial chunking among 45 fox squirrels on the campus of U.C. Berkeley, where she got her doctorate in August. (scientificamerican.com)
Delgado and fellow UC Berkeley researchers tracked 22 fox squirrels in their leafy habitats on the campus, putting them through a series of foraging tasks that had them puzzle their way into various open and locked containers to get to nuts or grains. (sciencedaily.com)