close-up of a sagui monkey (callithrix) eating a nut in brazilian park of sao paulo

new world monkey adorable animal ape baby black blacktufted marmoset branch brazil brazilian brown callithrix closeup common copy space creature cute eating forest fur furry green hair infant isolated jacchus looking macaco mammal mico nature primate pygmy sagui silvery small south america species tail tropical tuftedear vertebrate white whitetufted whitetuftedear wild wildlife young