Media type: E-Article Title: Secondary Sex Ratios in Six Snake Species Contributor: Pilgrim, Melissa A; Farrell, Terence M; May, Peter G; Vollman, Marcus. R; Seigel, Richard A imprint: American Society of Ichthyologists and Herpetologists (ASIH), 2011 Published in: Copeia, 2011 (2011) 4, Seite 553-558 Language: English DOI: 10.1643/ch-10-162 ISSN: 0045-8511; 1938-5110 Keywords: Animal Science and Zoology ; Aquatic Science ; Ecology, Evolution, Behavior and Systematics Origination: Footnote: