Endangered
Javan hawk-eagle
Nisaetus bartelsi
The Javan hawk-eagle is a medium-sized, dark brown raptor in the family Accipitridae.
Appearance
This majestic and intricately patterned eagle has a long, black crest on its head. This crest is held almost vertically and is tipped with white. The back and wings are dark brown, fading to a lighter brown tail, that has wide cream stripes. The throat is creamy white with a black stripe running to the whitish breast and underparts, that are heavily barred with chestnut.
The hawk-eagle is approximately 60 cm (24 in) long.
Range and habitat
An Indonesian endemic, the Javan hawk-eagle occurs in humid tropical forests of Java. Its range in East Java includes Sempu Island, Bromo Tengger Semeru National Park, Meru Betiri National Park and Alas Purwo National Park.
Habitat labels include mountain forest.
Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.
Diet and breeding
The female usually lays one egg in a nest high on top of a forest tree. The diet consists mainly of birds, lizards, fruit bats and mammals.
In crisis
Due to ongoing habitat loss, small population size, limited range and hunting in some areas, it is evaluated as Endangered on the IUCN Red List of Threatened Species. Ideally, the population should be 1,450 pairs, and without conservation, the eagle was predicted to go extinct by 2025.
Javan hawk-eagle is Endangered on this catalog because that is the IUCN category stored on Wikidata. Confirm the official criteria and any later count on iucnredlist.org.
Sources
Written for this catalog from the English Wikipedia article on Javan hawk-eagle, Wikidata item Q795558. Family and order context is original field-guide writing about the group, not a copied assessment of this one species. Wikipedia text is CC BY-SA. Not an IUCN assessment. Counts, when quoted, can change — confirm them on the recovery programme and on iucnredlist.org.
