Table 3.1 (continued)
Multiple Litter Relative
Described mating paternity testes
common name Scientific name Mating system common examined size* References
Taiga vole Microtus xanthognathus non-defense polygyny small Wolff 1985a
Malagasy giant jump- Hypogeomys antimena monogamy rare yes small Sommer 2000; Som-
ing rat mer & Tichy 1999
Muskrat Ondatra zibethicus monogamy/polygyny no small Marinelli et al. 1997
Djungarian hamster Phodopus campbelli monogamy no Ross 1995
Giant gerbil Rhombomys opimus defense polygyny no Randall and Rogovin
2002
Mound-building mouse Mus spicilegus monogamy/polygyny Patris and Baudoin
2000; Gouat et al.
2003
Bush rat Rattus fuscipes promiscuity yes Taylor and Calaby 1988
Swamp rat Rattus lutreolus promiscuity yes Taylor and Calaby 1988
Yellow-nosed mouse Abrothrix xanthorhinus promiscuity yes Lozada et al. 1996
Long-tailed field mouse Apodemus sylvaticus monogamy/polygyny/ yes yes large Bartmann and Gerlach
promiscuity 2001; Baker et al.
1999
Striped field mouse Apodemus agarius monogamy/polygyny/ yes yes Baker et al. 1999
promiscuity
Brants’ whistling rat Parotomys brantsii non-defense polygyny Jackson 1999
Bushy-tailed woodrat Neotoma cinerea defense polygyny no yes small Topping and Millar
1998, 1999
California mouse Peromyscus californicus monogamy no yes Ribble 2003
Cactus mouse Peromyscus eremicus monogamy? Wolff 1989
White-footed mouse Peromyscus leucopus monogamy/polygyny/ yes yes Wolff 1989
promiscuity
Deer mouse Peromyscus maniculatus promiscuity yes yes large Wolff 1989
Old field mouse Peromyscus polionotus monogamy Foltz 1981; Wolff 1989
Family Bathyergidae
Naked mole-rat Heterocephalus glaber monogamy/polyandry Bennett et al. 2000
Family Erethizontidae
American porcupine Erethizon dorsatum defense polygyny Sweitzer and Berger
1998
Family Hystricidae
Cape porcupine Hystrix africaeaustralis monogamy Skinners and Smithers
1990
Family Caviidae
Southern cavy Microcavia australis non-defense polygyny Tognelli et al. 2001
Maras Dolichotis patagonum. monogamy Taber and Macdonald
1992
Greater guinea pig Cavia magna promiscuity yes Kraus et al. 2003
Brazilian guinea pig Cavia aperea polygyny no yes Sachser et al. 1999;
Asher et al. 2004
Yellow-toothed cavy Galea musteloides promiscuity yes yes Schwarz-Weig and
Sachser 1996; Sachser
et al. 1999; Hohoff
et al. 2003
Family Ctenomyidae
Talas tuco-tuco Ctenomys talarum defense polygyny no yes small Zenuto et al. 1999
Family Myocastoridae
Coypu Myocastor coypus non-defense polygyny no yes Guichon et al. 2003
SOURCE: Relative testes size is from Kenagy and Trombulak (1986), Heske and Ostfeld (1990), and Stockley and Preston (2004).
- Testes size was classified as large if the mass was greater than 1.1 and small if less than 0.9 for data from Kenagy and Trombulak (1986) and Stockley and Preston 2004 or was classified as
large or small by Heske and Ostfeld (1990).