Rodent Societies: An Ecological & Evolutionary Perspective

Lancia 1979; Hodgdon and Lancia 1983; Busher 1975, 1980, 1983a, 1983b; Busher and Jenkins 1985; Patenaude 1983; Patenaude and Bo ...

tween studies it is difficult to generalize about sexual dif- ferences in construction behavior. However, adult females have bee ...

familiar male castoreum than did adult females. Males re- sponded at a greater distance, hissed for a longer period of time, mar ...

However, observations of adult males have also been made inside lodges and add insight into male investment. The adult male was ...

difficult. Additionally, a polygynous mating system would mean more beavers living in a defined area with greater re- source use ...

12 –24 hours in beavers (Wilsson 1971; Doboszynska and Zurowski 1983) and this, coupled with reduced mobility, may have selected ...

plasticity in beaver mating behavior and the mating system (Smith 1997; Sun 2003). Many aspects of beaver life history make them ...

Spalacidae: Eurasian Subterranean Rodents The Spalacidae are Eurasian, primarily East Mediterranean subterranean rodents (fig. 2 ...

form stiff keels of margin rhinarium imparting a broad wedge shape to the head. The dental formula is 1/1, 0/0, 0/0, 3/3 16. Th ...

toward females. Populations may be isolated, semi-isolated, or even continuous in the main ranges (Nevo 1979, and, for example, ...

depths of feeding tunnels are 10 to 410 cm; tunnel diame- ters are 5 to 12 cm; 10 to 200 mounds are formed per indi- vidual syst ...

time for Spalacidae from the muroid-cricetoid stock 40 to 45 million years ago (mya), which was in middle Eocene times. However, ...

Godfrey and Crowcraft 1960; Miller 1964). In general, ter- ritories of same-sex individuals do not overlap, whereas partial over ...

uted in their main ranges corresponding to the isolation by distance model, but become semi-isolated and isolated in the margina ...

of S. galili, 2n52 and S. golani, 2n54 (Nevo et al. 1982). Conversely, aggression decreases southward partly in S. carmeli,the ...

species) is intimately associated with behavioral genetic variables of activity, exploration, habitat choice, and ag- gression p ...

with season, sex, and neighborhood. Ecologically,aggres- sion increases regionally and locally with optimal habitats and with th ...

One male was aggressive at capture but later displayed pacifistic behavior like the others. Another male displayed 1 hour of agg ...

recent speciating derivative of the Spalax ehrenbergisuper- species, which possibly evolved because of the barrier of the Sinai ...

Antipredator Behavior ...