chirruping nightjar Caprimulgus griseatus

Well-camouflaged nightbird, endemic to the Philippines. Inhabits open areas in grasslands, as well as scrubby forest edge and rocky river margins. Intricately patterned gray-brown, but without the white throat and tail-tips of Philippine Nightjar, and has a less contrasting wing pattern at rest. Listen for its song, a bright, rising “j’wee!”, averaging clearer and less buzzy than the song of the closely related Savanna Nightjar (under which Chirruping was once treated as a subspecies). Little-known Mindanao population may be a distinct taxa.