Browsing by Author "Queral-Regil, Alejandro"
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Variation in body size and relative head dimensions in water snakes : sexual dimorphism, geographical variation, phenotypic plasticity, and performance
Queral-Regil, Alejandro (Northern Illinois University, 1997)In this thesis, I describe patterns of sexual and microgeographical variation in body size and relative head dimensions among island populations of water snakes (Nerodia sipedon). Female water snakes had bigger bodies and ...