research project:
behavioral ecology of tuco-tucos
ib.berkeley.edu/labs/lacey
All research conducted under the auspices of the University of California, Berkeley
behavioral ecology of tuco-tucos
ib.berkeley.edu/labs/lacey
All research conducted under the auspices of the University of California, Berkeley
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Julie Woodruff:
Eileen Lacey:
Julie Woodruff:
Sociality in subterranean rodents
last modified: 2006-05-30 16:50:30
Of the 19 genera of rodents that are typically recognized as subterranean, only 5 are known to contain species in which adults of one or both sexes routinely share burrow systems. I am using comparative field studies of two group-living species, the colonial tuco-tuco (Ctenomys sociabilis) and the coruro (Spalacopus cyanus) to explore the ecological bases of sociality in these animals. By combining data from these two South American rodents with published information from social African mole-rats, I am building a comprehensive picture of the extent to which group living in these biogeographically and phylogenetically distinct taxa reflects shared versus taxon-specific ecological factors.
last modified: 2006-05-30 16:50:30
Of the 19 genera of rodents that are typically recognized as subterranean, only 5 are known to contain species in which adults of one or both sexes routinely share burrow systems. I am using comparative field studies of two group-living species, the colonial tuco-tuco (Ctenomys sociabilis) and the coruro (Spalacopus cyanus) to explore the ecological bases of sociality in these animals. By combining data from these two South American rodents with published information from social African mole-rats, I am building a comprehensive picture of the extent to which group living in these biogeographically and phylogenetically distinct taxa reflects shared versus taxon-specific ecological factors.
Eileen Lacey:
Interspecific variation in ground squirrel mating systems
last modified: 2006-04-28 18:03:49
Studies of ground squirrel mating systems provide a rich source of comparative data regarding relationships between behavior, ecology, and reproductive success. A growing body of evidence indicates that sperm competition and the resulting patterns of sperm precedence may play an important role in shaping male behavior. Through my own studies of arctic ground squirrels and collaborative analyses of paternity and sperm precedence in other species of Spermophilus, I am working to identify potentially causal relationships between patterns of fertilization success and male reproductive competition in these animals.
last modified: 2006-04-28 18:03:49
Studies of ground squirrel mating systems provide a rich source of comparative data regarding relationships between behavior, ecology, and reproductive success. A growing body of evidence indicates that sperm competition and the resulting patterns of sperm precedence may play an important role in shaping male behavior. Through my own studies of arctic ground squirrels and collaborative analyses of paternity and sperm precedence in other species of Spermophilus, I am working to identify potentially causal relationships between patterns of fertilization success and male reproductive competition in these animals.