Black with green or purple sparkle. Closing wing gray, the black wings and looks flaky.
Breeding: white patches on the side of the head and behind the eyes.
Teens: Colored more murky, brownish spots. Leather front and pockets blue gray beak.
Iris green, gray beak, black legs. Generally small groups or alone.
Food: Fish. Nesting in colonies with other water birds. Nest of twigs on top of a pile of mangroves.
Sea-green eggs, covered with a layer of lime, elongated shape, the number of items 2-3.
Breeding between December to March.
Habitat Lakes, ponds, estuaries, sea, pond.
Deployment Australia, Indonesia, Sunda Large.
Sumatra, Borneo, Java, Bali, Sulawesi, Nusa Tenggara, Maluku, Papua.
Local Deployment Tambaksari, Sayung, Demak: wetland areas.
The number and frequency were rare.
Rating encounter: (3) moderate.