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Male Black Widows Go To Crazy Lengths To Keep A Female To Themselves

You probably already know male black widow spiders are risking their lives when they go courting—but it’s actually worse than that. They face tough competition for the “honor” of mating. Once a virgin black widow female puts up a pheromone-laden mating web, males run in from all around to try their luck. » 7/16/15 6:40pm 7/16/15 6:40pm

The Biggest Kangaroos Evolved Long Arms to Fight Over Females

Male kangaroos and wallabies, like a lot of seemingly quiet grazing animals, get into knock-down drag-out fights over females. They obviously don’t have antlers or horns to spar with, but they’re perfectly willing to grapple rivals with their forelimbs and kick the crap out of each other with their big hind feet. » 7/01/15 5:20pm 7/01/15 5:20pm

Your Yard Is A Firefly Meet Market, And You Can Help Scientists Study It

The twinkly flashing lights of fireflies are a classic sign of summer, but the insects aren’t blinking for your aesthetic benefit. They’re courting in an absolutely cutthroat meet market, and some scientists are afraid that human activities could be making it harder for them to succeed. This summer, you can help… » 6/08/15 3:07pm 6/08/15 3:07pm

2015's Top New Species Include Two Animals with Cool Breeding Habits


Let’s hear it for newly-discovered species with interesting sex lives! A pufferfish that builds complex circular spawning nests and a frog that gives birth directly to live tadpoles have been picked as two of the the International Institute for Species Exploration’s “top 10” new species of 2015.
» 5/21/15 10:17am 5/21/15 10:17am

5 Animal Con Artists That Use Trickery To Get Sex

Humans use all kinds of gimmicks to win over mates — but you’d think that in nature, it would be all about honest competition. The biggest antlers, the brightest feathers, the most beautiful song, the most perfect displays – each signals the owner’s desirability as a mate. But here are five animals (and one plant)… » 5/20/15 3:34pm 5/20/15 3:34pm

This Bird's Freaky Mating Display Comes Out Of Nowhere

Most of the time, the male Superb Bird of Paradise is a fairly nondescript black bird. But when it tries to attract a mate, it flips its feathers around to create a fluorescent kabuki mask that you’ll never forget. In this video, ornithologist Ed Scholes explains how the bird creates the illusion.
» 4/30/15 12:05pm 4/30/15 12:05pm