Distribution Map
Chestnut-breasted Cuckoo
Cacomantis castaneiventris
NativeStatus
UncommonRarity
Species Description
The chestnut-breasted cuckoo (*Cacomantis castaneiventris*) is a member of the Cuculidae family, found in Australia, Indonesia, and Papua New Guinea. This bird inhabits subtropical or tropical dry forests and mangrove forests, making it a species of interest for birders exploring these unique ecosystems.
Fun Facts
The chestnut-breasted cuckoo's brood parasitism strategy means its chicks often outcompete host offspring for resources.
1. Slightly smaller than the Brush Cuckoo (*Cacomantis variolosus*) and Fan-tailed Cuckoo (*Cacomantis flabelliformis*).
2. Adults have darker breast and underparts compared to similar species.
3. A bright yellow orbital eye ring is a key feature for identification.
Like many cuckoos, this species practices brood parasitism, laying its eggs in the nests of other bird species. This behaviour allows them to conserve energy for foraging and survival. Their diet primarily consists of insects such as caterpillars, beetles, and grasshoppers. The cuckoo’s call is a key way to locate it in dense forest environments.
The chestnut-breasted cuckoo can be spotted in the forests of northern Australia (particularly Cape York Peninsula), Indonesia (Aru Islands), and Papua New Guinea. Look for them in subtropical or tropical dry forests and mangrove habitats where they are often heard before being seen.
Physical Attributes
Height
24 cm
Size Relative to Other Birds53%
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