Squirrels of the World

290 Notocitellus adocetus Notocitellus adocetus (Merriam, 1903) Tropical Ground Squirrel description: N. adocetus is smaller and ...

Notocitellus annulatus 291 natural history: These squirrels typically dig burrows that are branched and up to 60 cm deep. The tr ...

292 Notocitellus annulatus within its habitats, including various agricultural crops. It is agile and can often be sighted in tr ...

Otospermophilus beecheyi 293 fornia rock squirrel is considered a habitat specialist that is subject to considerable habitat fra ...

294 Otospermophilus beecheyi natural history: The California ground squirrel is her- bivorous; its diet consists of a broad rang ...

Otospermophilus variegatus 295 Otospermophilus variegatus (Erxleben, 1777) Rock Squirrel description: This species has a variabl ...

296 Otospermophilus variegatus natural history: O. variegatus is diurnal. Rock squirrels hibernate in burrows for one to six mon ...

Poliocitellus franklinii 297 central USA. Its range extends from central Alberta to south- ern Ontario (Canada), south through N ...

298 Poliocitellus franklinii However, other factors—such as the extermination of ground squirrels to reduce both crop damage and ...

Sciurotamias forresti 299 geographic variation: Three subspecies are now re- ported. S. d. davidianus—Sichuan, Gansu, Ningxia, S ...

300 Sciurotamias forresti vations of about 3000 m. Vegetation in its habitat is de- scribed as scrubby. natural history: There i ...

Spermophilus brevicauda 301 conservation: IUCN status—least concern. Population trend—decreasing. habitat: This species is found ...

302 Spermophilus citellus Spermophilus citellus (Linnaeus, 1766) European Ground Squirrel, European Souslik description: The bac ...

Spermophilus dauricus 303 are highly specialized, even for a ground squirrel. This spe- cies is somewhat social and polygynous; ...

304 Spermophilus dauricus ses suggest a tradeoff between fecundity and survival in both species. The Daurian ground squirrel is ...

Spermophilus fulvus 305 two species of coccidian parasites (Eimeria berkinbaevi and E. callospermophili). general references: Da ...

306 Spermophilus fulvus decline in some areas. The yellow ground squirrel is one of several rodents in the region—including the ...

Spermophilus musicus 307 The young are born in spring within the burrow, and they emerge in late spring. Litter size is large, a ...

308 Spermophilus musicus conservation: IUCN status—near threatened. Population trend—no information. habitat: Caucasian Mountain ...

Spermophilus pygmaeus 309 threatened. The greatest challenge to this species’ conserva- tion is likely to be overgrazing in the ...