To attract a mate, a male pufferfish spends days carving intricate, geometric circles in the sand on the ocean floor. These "underwater crop circles" serve as a nest and a testament to his dedication.
Many species use "nuptial gifts" (food or decor) to seal the deal. xhamster sex animal videos hot
Many pair-bonding animals show physiological distress when separated. To attract a mate, a male pufferfish spends