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A toad looks and sounds like a venomous snake

A classic example of Darwinism at work, right?. It did a lot of good for the toad to happen to look one per cent like a venomous snake, so then it evolved to two percent and that did more good so it naturally selected to three percent and… Not really. Whatever happened isn’t a form of Darwinism. Read More ›

Spiders mimic two different ant types while growing (but secretly signal spidery mates)

Yeah, the story does sound like as plotline from Saturday night with popcorn at the old Downtown Grand but… From ScienceDaily: Viewed from above, the mimics look like skinny, three-segmented ants to fool predators. But in profile, the adult mimics retain their more voluptuous and alluring spider figure to woo nearby mates. UC researchers presented their findings in January at the Society for Integrative and Comparative Biology conference in Tampa, Fla. Most birds avoid ants and their painful stingers, sharp mandibles and habit of showing up with lots of friends. Try to eat one and you’re likely to get chewed on by 10 more. That’s why nearly every insect family from beetles to mantises has species that mimic ants. By Read More ›