The Small Sparrowhawk (Accipiter nanus) is a species of bird of prey

Bird of prey

Birds of prey are birds that hunt for food primarily on the wing, using their keen senses, especially vision. They are defined as birds that primarily hunt vertebrates, including other birds. Their talons and beaks tend to be relatively large, powerful and adapted for tearing and/or piercing flesh....

 in the Accipitridae

Accipitridae

The Accipitridae, one of the two major families within the order Accipitriformes , are a family of small to large birds with strongly hooked bills and variable morphology based on diet. They feed on a range of prey items from insects to medium-sized mammals, with a number feeding on carrion and a...

 family.
It is endemic to Indonesian

Indonesia

Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...

 islands of Sulawesi

Sulawesi

Sulawesi is one of the four larger Sunda Islands of Indonesia and is situated between Borneo and the Maluku Islands. In Indonesia, only Sumatra, Borneo, and Papua are larger in territory, and only Java and Sumatra have larger Indonesian populations.- Etymology :The Portuguese were the first to...

 and Buton

Buton

Buton , is an island in Indonesia located off the southeast peninsula of Sulawesi.-History:In the precolonial era, the island, then usually known as Butung, was within the sphere of influence of Ternate...

. 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...

s are subtropical or tropical moist montane forests and to a lesser degree lowland forests. It closely resembles the fellow Wallacea

Wallacea

Wallacea is a biogeographical designation for a group of Indonesian islands separated by deep water straits from the Asian and Australian continental shelves. Wallacea includes Sulawesi, the largest island in the group, as well as Lombok, Sumbawa, Flores, Sumba, Timor, Halmahera, Buru, Seram, and...

n Vinous-breasted Sparrowhawk

Vinous-breasted Sparrowhawk

The Vinous-breasted Sparrowhawk is a species of bird of prey in the Accipitridae family. It is endemic to Indonesia....

, but is still thought to be most closely related to Besra

Besra

The Besra, Accipiter virgatus, is a bird of prey in the family Accipitridae.The Besra is a widespread resident breeder in dense forests throughout south Asia from Pakistan and India to south China and Indonesia. It nests in trees, building a new nest each year...

. All this makes it rather difficult to identify and thus possibly under-recorded. It is one of the smallest members of its 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...

 (length approximately 25cm/10in). Hunts insects and small birds.

It is threatened by habitat loss. There are not many verified recordings of this species, but it is known to occur at least in Lore Lindu National Park

Lore Lindu National Park

Lore Lindu National Park is a forested protected area on the Indonesian island of Sulawesi, in the province of Central Sulawesi. The area of the national park is 2,180 km² covering both lowland and montane forests. It provides habitat to numerous rare species, including 77 bird species...

.