The Cottontop Tamarin (Saguinus oedipus), also known as the Pinché Tamarin, is a small New World monkey weighing less than 1lb (0.5 kg). It is found in tropical forest edges and secondary forests where it is arboreal and diurnal.
This tamarin species has a long sagittal crest, white hairs from forehead to nape flowing over the shoulders (Cottontop). The back is brown, and the underparts, arms and legs are whitish-yellow. The rump and inner thighs are reddish-orange.