The white-capped dipper (Cinclus leucocephalus ) is an aquatic passerine found in South America. It is a small black bird with white spots. It is found in the Andes from northern Bolivia, through Peru, Ecuador, Colombia to northwest Venezuela.
The white-capped dipper is 15–16.5 cm (5.9–6.5 in) in length and weighs 38–59 g (1.3–2.1 oz). The sexes are similar in appearance, but the male is slightly larger than the female. The nominate subspecies has a white nape and crown with fine dark brown streaks. The remaining upperparts are dark brown. The throat is white; the remaining underparts are dark brown. The bill is black and the legs are dark grey. Subspecies rivularis is paler than the nominate and has fine grey spots on the throat. Subspecies leuconotus has a white belly and a large white patch on the upper back.