A shape-shifting frog from Ecuador, a giant virus from Siberia, a bioluminescent shark, a ruby seadragon, and the world’s smallest snail are among the twenty most bizarre species discovered in 2015. 1. Milton’s titi monkey (Callicebus miltoni), a species of monkey from Brazil: Family group of Milton’s titi monkeys (Callicebus miltoni) in the undercanopy of the ombrophilous forest at Panelas, right bank of the Roosevelt River, northwestern Mato...
