Creamy-crested Spinetail

The creamy-crested spinetail is 16 to 17 cm (6.3 to 6.7 in) long and weighs 18 to 24 g (0.63 to 0.85 oz). It is a large member of genus Cranioleuca and has a distinctive head pattern. The sexes have the same plumage. Adults of the nominate subspecies have a narrow whitish supercilium and gray-brown lores on an otherwise buffy face with some streaking. Their crown and crest are creamy-white. Their back is olivaceous gray that is browner at the rump. Their wing coverts are dark rufous and their flight feathers dull brown. Their tail is rufous; it is graduated and the feathers have pointed tips. Voice: The creamy-crested spinetail's song is "a loud, ascending-descending series of semi-musical notes: tch, tch, tleep-chee-chee-cheechee-ee-ee-ee-ee-trrrr" and is often given in duet. Its calls include "a rising tlee'lee", "a loud, semi-whistled dew", and a "rapid series of tleep notes".