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Coevolution of Male and Female Genital Morphology in Waterfowl
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 positively correlated with the frequency of forced extra-pair copulations amo...
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| Autori principali: | , , , , , |
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| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
Public Library of Science
2007
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1855079/ https://ncbi.nlm.nih.gov/pubmed/17476339 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1371/journal.pone.0000418 |
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