Rodent Societies: An Ecological & Evolutionary Perspective

example, S. beecheyican have long active seasons and ex- tended co-occurrence of mothers and their young (up to 12 months; Dobso ...

ruptors such as dioxin, PCBs, and DDT can interfere with the development of gonads, external genitalia, and other sexually dimor ...

ciprocal associations between an animal’s internal and ex- ternal environments can be seen, as well as how social cues, stress a ...

M any of the thingsthat animals, especially young animals, need to learn, they need to learn rapidly. A fledging bird or weanlin ...

However, whether such “traditions” reflect (1) differences in the genotypes of chimpanzees living on opposite sides of the conti ...

Pups gestated by dams that stripped pinecones effi- ciently, but reared by foster mothers that did not know how to strip pinecon ...

naive rat the individual in each colony that had been there longest, and we kept doing so day after day. As can be seen in figur ...

Availability of social information as to what foods are best to eat can have profound consequences for rats in en- vironments wh ...

surmise that, because rats encountering toxic foods are likely to eat them only once (Garcia et al. 1974), the prob- ability tha ...

while returning to the nest after finding a new source of food individuals give a special vocalization. Upon arrival at the nest ...

the direction in which the observer pushed the joystick was reversed. Apparently, demonstrators were depositing at- tractive odo ...

will prove to be. In all rodent species, whether solitary or social, altricial or precocial, young spend considerable time inter ...

Rarely in the history of biology has a domain of empirical knowledge followed so closely and fruitfully upon an abstract theoret ...

indirect(kin) recognition, which depends on contextual cues like the location of a nest or territory (Waldman 1987). Likewise, H ...

veal kin discrimination, depending on the inclusive fitness costs and benefits of the behavior (Beecher 1991). If food sharing o ...

of which could influence subsequent recognition abilities (Mateo and Holmes 2004). For example, there is considerable interest i ...

However, Hare (1992, 1994) suggested that this discrimi- nation ability is transitory and that older juveniles fail to dis- ting ...

ties to interact only with kin before they encounter other conspecifics, then “familiarity” is a reliable proxy for re- latednes ...

Phenotype matching In this recognition mechanism, an individual learns some- thing from its own phenotype or some of the feature ...

meyer 1988a). For example, Spermophilussocial organiza- tion forms a continuum ranging from relatively asocial spe- cies (e.g., ...