The Buff-headed Coucal (Centropus milo) is a species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of coucal

Coucal

A coucal is one of about 30 species of birds in the cuckoo family. All of them belong in the subfamily Centropodinae and the genus Centropus. Unlike many Old World cuckoos, coucals are not brood parasites...

. These are often placed in the cuckoo family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 (Cuculidae) but seem to warrant recognition as a distinct family. C. milo is a common endemic of the central islands of the Solomon Islands

Solomon Islands

Solomon Islands is a sovereign state in Oceania, east of Papua New Guinea, consisting of nearly one thousand islands. It covers a land mass of . The capital, Honiara, is located on the island of Guadalcanal...

. Its natural habitat

Habitat

* Habitat , a place where a species lives and grows*Human habitat, a place where humans live, work or play** Space habitat, a space station intended as a permanent settlement...

 is tropical moist lowland and mountain forest

Forest

A forest, also referred to as a wood or the woods, is an area with a high density of trees. As with cities, depending where you are in the world, what is considered a forest may vary significantly in size and have various classification according to how and what of the forest is composed...

s, mostly in primary and secondary growth.

This species is a large cuckoo with a heavy bill and short wings. The plumage

Plumage

Plumage refers both to the layer of feathers that cover a bird and the pattern, colour, and arrangement of those feathers. The pattern and colours of plumage vary between species and subspecies and can also vary between different age classes, sexes, and season. Within species there can also be a...

 of adults is striking with a buff head, upper back and undersides, and glossy black wings, lower back and tail. The iris is red and legs and bill are dark grey. Juveniles are very differently colored, with the wings and tail reddish brown with black barring somewhat like in the allopatric Pheasant Coucal

Pheasant Coucal

The Pheasant Coucal is a species of cuckoo in the Cuculidae family.It is found in Australia, Indonesia, and Papua New Guinea....

, and the rest of the plumage brown mottled with black. The iris is brown-grey and the bill is bicolored, brown above and pale horn below.

In local languages, the adult and juvenile are treated as different kinds of bird and each has a name of its own. For example, in Touo

Touo language

-External links:*...

, Roviana

Roviana language

Roviana is a member of the North West Solomonic subgroup of Oceanic languages. It is spoken around Roviana and Vonavona lagoons at the north central New Georgia in the Solomon Islands...

 and Marovo

Marovo language

Marovo is an Austronesian language of the Solomon Islands. It is spoken in the New Georgia Group on islands in Marovo Lagoon and on the neighbouring islands of New Georgia, Vangunu and Nggatokae...

, the adult is called mozu, nao and ao, respectively, while the names for the juveniles are sagaza, sengenge and chehohu.