Black Widow—Kiss of Death
Females frequently eat their male partners before and after mating, and her venom is at least three times more potent than his, making a male’s self-defense bite ineffective. His best bet? Pluck a few strands of her web to see if she wants to mate, and if he goes for it, be ready to web hop!
Photo © twbuckner/Flickr via a Creative Commons license
Brush-tailed Australian Marsupial Mouse—Bop ’til You Drop
This mouse wastes no time finding a mate, becoming sexually active by age one. The males die two weeks after breeding due to the stress and exhaustion of mating, leaving the female a single mom caring for her young.
Photo © David Hosking/FLPA