Three small blue kingfishers occur on Java. They are separated by the underparts and the ear-coverts.
| Species | Underparts | Ear-coverts | Where |
|---|---|---|---|
| Common Kingfisher (Alcedo atthis) | Orange | Orange | Rivers, ponds, open water |
| Blue-eared Kingfisher (Alcedo meninting) | Orange | Blue | Forest streams |
| Cerulean Kingfisher (Alcedo coerulescens) | White | White/blue | Lowland waters, coasts, ponds |
For a sighting report, note the underpart colour, the ear-covert colour, and the type of water. A photo helps the moderator check the record.