Revision of Chaetodipus arenarius (Rodentia: Heteromyidae)

The Endemic Insular and Peninsular Species Chaetodipus spinatus (Mammalia, Heteromyidae) Breaks Patterns for Baja California

The Baja California peninsula is the second longest, most geographically isolated peninsula on Earth. Its physiography and the presence of many surrounding islands has facilitated studies of the underlying patterns and drivers of genetic structuring for a wide spectrum of organisms. Chaetodipus spinatus is endemic to the region and occurs on 12 associated islands, including 10 in the Gulf of Ca...

Recent interactions with snakes enhance escape performance of desert kangaroo rats (Rodentia: Heteromyidae) during simulated attacks

When predators rely on high-speed movements to capture prey, prey often exhibit traits that result in correspondingly extreme physical performance. Biomechanical studies of these interactions are typically conducted in laboratory settings, thereby eliminating some of the ecological context. We studied how behavioural state, specifically vigilance level, of kangaroo rats affects evasion performa...

First Record of Fleas (insecta: Siphonaptera) from Nelson's Kangaroo Rat, Dipodomys Nelsoni (rodentia: Heteromyidae) in Durango, Mexico

Genetic comparisons between Heteromys desmarestianus and the recently described H. nubicolens (Rodentia: Heteromyidae) in northwestern Costa Rica

The subfamily Heteromyinae (spiny pocket mice) represents a well-defined monophyletic group within the rodent family Heteromyidae (Hafner 1981; Hafner and Hafner 1983; Wahlert 1991). Two extant genera, Heteromys and Liomys, are recognized in the Heteromyinae. Species of Heteromys inhabit wet (typically evergreen) forests from southern Mexico to western Ecuador (Williams et al. 1993). Present ta...

A Revision of the fossil cricetines (Rodentia, Mammalia) from Zhoukoudian, the Peking Man Site,

After rediagnosis, there is calculated to be a total of four genera and seven species of the family Cricetidae from the Quaternary of Zhoukoudian (formerly spelled Zhoukoudian). These include the large species Allocricetus ehiki, A. teilhardi sp. nov., Cricetinus varians, and the small species Cricetulus longicaudatus, C. barabensis griseus, C.b. obscurus, C. cf. migratorius, Phodopus sp. Among...