Phylogenetic Separation in Limb Use in Captive Gibbons (Hylobatidae): A Comparison Across the Primate Order

Although there have been few studies of self-scratching in primates, some have reported distinct differences in whether hands or feet are used, and these variations seem to reflect the evolutionary history of the Order. Monkeys and prosimians use both hands and feet to self-scratch while African great apes use hands almost exclusively. Gibbons represent an […]