Todirhamphus nigrocyaneus

The blue-black jade is 22 cm long, the female bird weighs 51-54g, and the male bird weighs 55-57g. The adult male is blue-purple on the forehead and top of the head. The eyebrows extending to the neck are a more distinct shade of a lighter blue. Black at the eyes, cheekbones, cheeks, neck and sides of the chest. The shoulders and plumage are black, slightly bluish-purple. The black tail. Chin and throat are white. There is a large blue section across the chest. Between the chest and the abdomen there is a white stripe, blue on the abdomen. The wings, thighs, anal area and tail are black. The mouth and eyes are black, the irises are dark brown, and the legs are gray-black. The female's belly is white to the breast.
The mouth is thick and long like a chisel, the base is wider, the mouth peak is straight, the peak ridge is round, there is no nasal groove on both sides; Wing circle, the first primary feather is equal or slightly shorter than the seventh primary feather, and the sec

Blue and black jadeite is found in the Pacific Islands, including China's Taiwan Province, Dongsha Islands, Xisha Islands, Zhongsha Islands, Nansha Islands and the Philippines, Brunei, Malaysia, Singapore, Indonesia's Sumatra, Java Island, and Papua New Guinea.
Blue and black jadeite usually inhabits dense forests and riverbanks near water. In the wooded central mountains of New Guinea, it is often found in lowland forests, nearby rivers, as well as eucalyptus forests, swamps, shrubs, and nearby creeks. It can also be found in the gardens and woodlands of coastal villages. The blue and black kingfisher, once quite common, is becoming rare and is now very rare in most of its native Papua New Guinea habitat.

Todirhamphus nigrocyaneus, Blue-black Kingfisher, has three subspecies (1. Todirhamphus nigrocyaneus nigrocyaneus is found in western Papua (Batanta, Patanta, Patanta, Patanta, Patanta). Saraswati) east to Helfunk Bay north and Marian Strait south. 2. Todirhamphus nigrocyaneus quadricolor is found in Yapen Island and Astroleb Bay, Indonesia. 3. Todirhamphus nigrocyaneus stictolaemus is found in the western Owen Stanley Range of Papua.) .

Blue and black jadeite generally hunt alone or together with lovers. Like most forest kingfishers, they are completely carnivorous. Often searching for prey in leaves or dirt. The main diet is invertebrates such as crickets, spiders, scorpions and snails. It also eats small vertebrates such as small fish, small snakes and lizards.

There is no record of the reproduction and social behavior of the emerald, and its nest and eggs have never been described to date (2008). Its territorial sense and sound are similar to woodland jade, and the song consists of three short, sharp rhythms followed by a long, powerful trill that takes about 3 seconds.

Listed in the International Union for Conservation of Nature (IUCN) ver 3.1:2008 Red List of Birds.

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