- Cuculus lepidus
29–30 cm (11½-12 in)
- Dark ashy-grey upperparts
- Blackish brown tail, white spotted and tipped
- Ashy-grey chin to breast
- White lower breast and abdomen with black bars
- White to creamy apricot vent with variable barring
- Yellow eye-ring
Females are similar but have a rufous tinge to breast. Also has a rufous morph (in both sexes) with rufous rump and uppertail with dark barring.
Juveniles are slate-grey on upperparts with white feather edges, they have a black throat with white bars and have black and white barred underparts.
Feeds on insects, mainly caterpillars. Takes also some fruit.
A resident species.
A high note followed by three lower flat notes, like hoop, hoop-hoop. Higher-pitched than Himalayan Cuckoo.
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2018. The eBird/Clements checklist of birds of the world: v2018. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Del Hoyo, J, A Elliot, and J Sargatal, eds. 1997. Handbook of the Birds of the World. Volume 4: Sandgrouse to Cuckoos. Barcelona: Lynx Edicions. ISBN 978-8487334221
- BirdForum Opus contributors. (2021) Sunda Cuckoo. In: BirdForum, the forum for wild birds and birding. Retrieved 11 April 2021 from https://www.birdforum.net/wiki/Sunda_Cuckoo