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Full-Text Articles in Life Sciences
The Burden Of Motherhood: The Effect Of Reproductive Load On Female Lizard Locomotor, Foraging, And Social Behavior, Michele A. Johnson, J. L. Caton, R. E. Cohen, J. R. Vandecar, J. Wade
The Burden Of Motherhood: The Effect Of Reproductive Load On Female Lizard Locomotor, Foraging, And Social Behavior, Michele A. Johnson, J. L. Caton, R. E. Cohen, J. R. Vandecar, J. Wade
Biology Faculty Research
The costs of reproduction, involving demands associated with both current and future reproductive efforts, may place a substantial burden on females. However, animals may minimize these costs by modifying their behavior across the reproductive cycle. We examined the effects of reproductive load on three types of behavior (locomotion, foraging, and social displays) in green anole lizards (Anolis carolinensis) by comparing egg, follicle, and oviduct mass and volume with field observational data. We found that female locomotor and social display behaviors decreased as reproductive load increased, suggesting behavioral modification in these traits, but we detected no relationship between foraging and …
Reproduction In Reptiles, From Genes To Ecology: A Retrospective And Prospective Vision, Michael B. Thompson, Daniel G. Blackburn, Scott L. Parker
Reproduction In Reptiles, From Genes To Ecology: A Retrospective And Prospective Vision, Michael B. Thompson, Daniel G. Blackburn, Scott L. Parker
Faculty Scholarship
The 6th World Congress of Herpetology (WCH), held in Manaus, Brazil in 2008, provided an excellent venue for a broad, integrative symposium on reproduction in reptiles. This symposium brought together researchers from throughout the world who are working on diverse reptilian species. The symposium’s title “Reproduction in Reptiles from Genes to Ecology,” captures the methodological breadth of contemporary research as well as its integrative nature. This special issue of Herpetological Conservation and Biology presents a series of papers from contributors to that symposium. In this introduction to the special issue, we offer an evolutionary overview of reptilian reproduction and summarize …