Spiders are one of the most prolific predators and researchers have found that they wipe out an estimated 400-800 million tonnes of prey every year, compared to an estimated 280-500 million tonnes of prey that the world's whales eat. With more than 45,000 species and a population density of up to 1,000 individuals per square …
Continue reading "Spiders more prolific predators than whales"
March 15, 2017