one-litter system
11Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
12reproductive behaviour — In animals, any activity directed toward perpetuation of a species. Sexual reproduction, the most common mode, occurs when a female s egg is fertilized by a male s sperm. The resulting unique combination of genes produces genetic variety that… …
13Black rat — Rattus rattus redirects here. For the album by Merzbow, see Rattus Rattus (album). Black rat Rattus rattus Conservation status …
14North American Beaver — Castor canadensis Conservation status Least Concern ( …
15Abert's Squirrel — Conservation status Least Concern (IUCN …
16Infanticide (zoology) — In animals, infanticide involves the killing of young offspring by a mature animal of its own species, and is studied in zoology, specifically in the field of ethology. Ovicide is the analogous destruction of eggs. Although human infanticide has… …
17mole — mole1 /mohl/, n. 1. any of various small insectivorous mammals, esp. of the family Talpidae, living chiefly underground, and having velvety fur, very small eyes, and strong forefeet. 2. a spy who becomes part of and works from within the ranks of …
18Star-nosed mole — Star nosed mole[1] Conservation status …
19Gunnison's prairie dog — Conservation status Least Concern (IUCN 3.1) …
20Mexican Prairie Dog — Taxobox name = Mexican Prairie Dog status = EN trend = unknown image caption Mexican prairie dog, Galeana, Nuevo Leon, Mexico status system = iucn2.3 regnum = Animalia phylum = Chordata classis = Mammalia ordo = Rodentia familia = Sciuridae genus …
