* Psittacines, Passerines, Pidgeons and birds of prey all have no phallus.
* Psittacines, Passerines, Pidgeons and birds of prey all have no phallus.
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* Copulate by transferring semen from the everted [[Avian_Vent_and_Cloaca_- Anatomy & Physiology#The_Cloaca|Cloaca]] directly into the female [[Exotics_-_Anatomy_of_the_Female_Reproductive_System_- Anatomy & Physiology#Oviduct|oviduct]].
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* Copulate by transferring semen from the everted [[Avian_Vent_and_Cloaca_- Anatomy & Physiology#The_Cloaca|Cloaca]] directly into the female [[Avian Female Reproductive System & Egg Formation#Oviduct|oviduct]].