Most caterpillar larvae are vegan, but not these Hawaiian species - they are master assassins. Courtesy: http://vi…
Explore MoreThings can get downright deadly when male kangaroos fight over mating rights. With their gigantic feet, these "b…
Explore MoreJohanna Quaas is an 86-year-old former sports teacher from Germany who stays in shape by practicing gymnastics ever…
Explore MoreEvery spring on California's beaches, thousands of tiny fish come ashore to spawn. As beach habitats decline, vol…
Explore MoreThis songbird breaks out the sampler to get a mate. And the superb lyrebird doesn't stop at mimicking other bird …
Explore MoreHow does a mongoose stand up to a cobra? You might be surprised at the outcome. Courtesy: http://video.nationalg…
Explore MoreTwo male hippos are going to war over territory and mates. The combatants can weigh two tons; it's a tail-biting …
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