Latest Carnivory Stories
One of the richest ecosystems in the world, the California Current System, is driven by nutrient input from coastal upwelling and supports a great diversity of marine life. It is also heavily impacted by human activities, much like other coastal regions.
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The idea that the female of a species would, after completing coitus, approach, kill and eat her mate is a sentiment that instills, if not fear, unease in many the male reader. This scenario, in fact, is exactly how the Black Widow spider got its name.
Male praying mantises are more likely to engage in risky mating behavior if they have not had recent access to females, as reported Apr. 25 in the open access journal PLoS ONE.
Spanish researchers said Friday that female spiders who consume their male suitors produce stronger, larger and more numerous offspring than spiders with more mundane diets.
Female spiders are voracious predators and consume a wide range of prey, which sometimes includes their mates. A number of hypotheses have been proposed for why females eat males before or after mating.