Some animals, from puffins and swans to prairie voles, are known to mate for life. For female mosquitoes, mating typically occurs once in their lifetime—lasting under 30 seconds—before the couple go ...

Two invasive, house-destroying species of termites are now cross-breeding in South Florida. Researchers found the aggressive Formosa and Asian subterranean termites have begun mingling and mating ...

Genetic studies show there’s still a lot to learn about cross-species mating in the Arctic. Spotting polar-grizzly bear hybrids in the wild can be tricky. This polar bear's darker face and body shape ...

The female mosquito only mates once in her lifetime, and yet she can develop many hundreds of eggs from this single event. After each blood feeding, she draws from an internal sperm storage unit to ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. This article is more than 2 years old. The extreme ...