Phallus impudicus

A common stinkhorn (Phallus impudicus) visited by a fly

Unseen World on Instagram: "Unlike most animals where an erection involves significant engorgement with blood, the crocodile's phallus is already rigid due to a core of dense, fibrous collagen tissue (corpus fibrosum). The organ is normally stored internally within the cloaca and is rapidly everted for copulation by the contraction of surrounding cloacal muscles, essentially popping it out when needed. Retraction back into the body is achieved by the elastic recoil of ligaments, as the organ its

timelapse of mushroom growth on moss on wooden bark background, Phallus impudicus, Phallus hadriani

Stinkhorn, Phallus impudicus, Fungi in woodland covered in flies,