Horsfield’s Bronze-Cuckoo is an olive-brown above with pale scaling and a bronze to green sheen on the back and upper tail. It has a prominent dark-brown eyestripe, with a contrasting white eyebrow stripe above, with both curving down the sides of the neck. The throat is white with fine dark mottling.The underbody is white to cream with dark-brown barring at the sides, with the bars joining in the middle on the upper breast only. The undertail is grey with brown and white barring at the tip and sides. The tail is edged rufous (orange-brown) and the undertail is rufous when spread. Juveniles are similar but duller with faint or no barring on sides of body. Distinctive call.