mimicry

  • Bioluminescence Is at Least Half a Billion Years Old

    Bioluminescence Is at Least Half a Billion Years Old

    Bioluminescence, the eerie, beautiful phenomena that allows living things to glow, is way more ancient than previously thought, according to a team of researchers that recently studied the ability in octocorals. Octocorals are not closely related to corals, despite their name. They are a group of marine invertebrates that reside—and glow—in Earth’s oceans. But octocorals…


  • Shrikes Are Even Meaner Than We Suspected

    Shrikes Are Even Meaner Than We Suspected

    Shrikes are nondescript and ubiquitous birds that have made a name for themselves as the leatherfaces of the animal kingdom. They don’t just eat their prey, they impale it on spikes and display is as part of their courtship ritual. That’s nasty enough, but they have one other trick up their sleeves.