Black-bellied Cuckoo vs River Tyrannulet

In short

The Black-bellied Cuckoo and River Tyrannulet are easily distinguished by their size and plumage. The cuckoo is larger with a distinctive red bill and black belly, while the tyrannulet is smaller and lacks these features.

Identification tips

• Look for the black belly and red bill of the Black-bellied Cuckoo.
• Note the size difference: the cuckoo is larger than the River Tyrannulet.
• Observe the habitat: cuckoos are more likely in tropical forests.

Size

The Black-bellied Cuckoo is significantly larger than the River Tyrannulet.

Plumage

The Black-bellied Cuckoo has a black belly, red bill, blue-gray cap, and bright chestnut upperparts. In contrast, the River Tyrannulet lacks these distinctive colors.

Habitat

The Black-bellied Cuckoo is found at mid to higher levels in tropical forest zones and occasionally in savanna woodland, while the River Tyrannulet is not mentioned in the same habitat context.