Browsing by Author "McCracken, Kevin G."

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Browsing by Author "McCracken, Kevin G."

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  • Coevolution of Male and Female Genital Morphology in Waterfowl
    Brennan, Patricia L.R.; Prum, Richard O.; McCracken, Kevin G.; Sorenson, Michael D.; Wilson, Robert E.; Birkhead, Tim R. (Public Library of Science, 2007-5-2)
    Most birds have simple genitalia; males lack external genitalia and females have simple vaginas. However, male waterfowl have a phallus whose length (1.5->40 cm) and morphological elaborations vary among species and are ...