Tag
cloacal copulation
-
The Hidden World of Avian Intimacy: How Do Birds Have Sex?
The mechanics of avian reproduction defy common assumptions. No penises, no visible intercourse—just a fleeting moment where two birds align their vent regions...
Tag
The mechanics of avian reproduction defy common assumptions. No penises, no visible intercourse—just a fleeting moment where two birds align their vent regions...