Nature is metal! | IFLScience

Time-lapse video of our Brazilian salmon pink bird-eating tarantula. Molting (or shedding of the exoskeleton) occurs because it’s the only way a tarantula (like other invertebrates) can grow. Once they mature, adult tarantulas generally molt once a year. Young tarantulas may molt every few months. Tarantulas flip on their backs in order to molt properly. During the pre-molt phase, fluid is pumped in between the old exoskeleton and the new one, which will assist in the shedding of the old exoskel