Original sentence: Mice, frogs, birds and lizards are skillfully killed by a quick head bite a learned behavior.Researchers say its repertoire of 38 distinct sounds is unusually sophisticated, conforming to grammatical rules and able to express curiosity, fear, dismay, playfulness, warnings, joy and calls to young.Rump and inner thighs are reddish-orange.The Cottontop Tamarin vocalize with birdlike whistles, soft chirping sounds, high-pitched trilling and staccato calls.They are now protected by international law, although they are numerous in captivity, they are still critically endangered in the wild.This species is endangered, having lost three-quarters of its original habitat to deforestation
Edited sentence: Mice, frogs, birds, and lizards are skillfully killed by a quick head bite a learned behavior.Researchers say its repertoire of 38 distinct sounds is unusually sophisticated, conforming to grammatical rules and able to express curiosity, fear, dismay, playfulness, warnings, joy, and calls to young.The Cottontop Tamarin vocalize with birdlike whistles, soft chirping sounds, high-pitched trilling, and staccato calls.The rump and inner thighs are reddish-orange.They are now protected by international law; although they are numerous in captivity, they are still critically endangered in the wild.This species is endangered, having lost more than three-quarters of its original habitat to deforestation