Squirrels of the World
Ammospermophilus harrisii (Audubon and Bachman, 1854) Harris’s Antelope Squirrel description: The dorsum is gray, suff used with ...
Ammospermophilus insularis 251 274 m (on average) and thus have modest home ranges. Har- ris’s antelope squirrels are extremely ...
252 Ammospermophilus insularis is a high-pitched short trill, which apparently is especially useful in the rocky open habitat on ...
Ammospermophilus leucurus 253 and snakes. This species may be eaten in México; nowhere is the Texas antelope squirrel considered ...
254 Ammospermophilus leucurus A. l. tersus—extreme northwestern Arizona (USA). This form is similar in size to A. l. leucurus, b ...
Callospermophilus lateralis 255 soils with sandy or gravelly texture, or fi ne-grained soils that are nearly brick hard when dry ...
256 Callospermophilus lateralis to southern California and Nevada (USA). Their range is somewhat fragmented, especially in the s ...
Callospermophilus madrensis 257 habitat: C. lateralis occupies a wide range of habitats (usu- ally at elevations between 1220 an ...
258 Callospermophilus madrensis size: Female—HB 168.0 mm; T 65.0 mm; Mass 152.0 g. Male—HB 169.0 mm; T 64.0 mm; Mass 151.0 g. Se ...
Callospermophilus saturatus 259 white line on both the top and the bottom. The eye ring is pinkish buff. The chin is often white ...
260 Cynomys gunnisoni Cynomys gunnisoni (Baird, 1858) Gunnison’s Prairie Dog description: Gunnison’s prairie dog is buff to pale ...
Cynomys leucurus 261 ground for about 5–6.5 weeks, when four to fi ve (range = 1–7) emerge from the nursery burrow. Weaning usua ...
262 Cynomys leucurus natural history: C. leucurus is diurnal, and it hibernates in burrows during lengthy winters that last up t ...
Cynomys ludovicianus 263 Cynomys ludovicianus (Ord, 1815) Black-Tailed Prairie Dog description: Black-tailed prairie dogs are bu ...
264 Cynomys ludovicianus Black-tailed prairie dogs are social and live in large com- plexes called towns (or colonies). Most bur ...
Cynomys mexicanus 265 introduced to North America in the early 1900s. These out- breaks rapidly eliminate local populations, due ...
266 Cynomys mexicanus grasses, forbs, fl owers, and seeds. Their diets diff er in areas grazed by cattle and goats, with only a ...
Cynomys parvidens 267 mate within several days of their emergence from hiberna- tion; multiple paternity is common (more than 70 ...
268 Ictidomys mexicanus Ictidomys mexicanus (Erxleben, 1777) Mexican Ground Squirrel description: Mexican ground squirrels have ...
Ictidomys parvidens 269 general references: Cothran 1983; Cothran and Hon- eycutt 1984; Martinez et al. 1999; Millán-Peña 1998; ...
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