| 1. | Species use strictly defined microhabitats and have very complex copulatory organs.
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| 2. | These seals, or copulatory caps, last for a week.
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| 3. | The freckled duck has few pre or post copulatory behaviours.
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| 4. | Bilateral lesions have been shown to reduce copulatory behavior in male rats.
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| 5. | A copulatory plug is present in the vagina during pregnancy.
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| 6. | Post-copulatory sexual selection involves sperm competition and cryptic female choice.
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| 7. | In some species, the male plugs the female copulatory duct after insemination.
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| 8. | He began his work on the effects of copulatory behavior on reproductive physiology.
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| 9. | Square-tailed kites exhibit pre-copulatory behaviour such as vocalisations and allopreening.
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| 10. | This process, known as copulatory courtship, is prevalent in many insect species.
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