About Alcedo euryzona peninsulae Laubmann, 1941
The Javan blue-banded kingfisher (Alcedo euryzona) is a species of kingfisher that belongs to the subfamily Alcedininae. This taxon, Alcedo euryzona peninsulae Laubmann, 1941, is endemic to Java, where it is found across the island. It is thought to be extremely rare, as a result of human pressures including habitat destruction. Its natural habitats are subtropical or tropical moist lowland forest, subtropical or tropical mangrove forest, and rivers. Its total population is estimated to be only 50 to 249 individuals, and the population is believed to be declining. It is a small, rather dark kingfisher. Males are highly distinctive, with a broad blue-green band that crosses a white chest. Females differ markedly, with an entirely orange belly. The Javan blue-banded kingfisher can be distinguished from the common kingfisher (A. atthis) by its overall duller, darker coloration and the absence of a bright white-and-orange patch behind the eye. Its call is piercing, similar to the call of the common kingfisher.