White-rumped Monjita

The white-rumped monjita is 19 to 20 cm (7.5 to 7.9 in) long. The sexes have the same plumage. Adults have a mostly white head with a pearly gray nape. Their upperparts are mostly brownish gray with a white rump. The basal half of their tail is white and the rest black. Their wings are blackish with a white band at the base of the flight feathers that shows as a stripe in flight. Their inner secondaries and tertials also have a white patch. Their underparts are entirely white. They have a dark iris, a black bill, and dusky blackish legs and feet. Voice: The white-rumped monjita is not highly vocal. Its song is a "nasal, downslurred njeh, repeated at 1-sec intervals". It sometimes gives a single whistle at night.