bieh…." Its alarm call is "a high, thin, descending seeee...". Status The IUCN follows HBW taxonomy and so has treated the two subspecies of crescent-chested puffbird as separate species. The organization has assessed the "greater" M. s. striata as being of Least Concern. Its estimated population exceeds 72,000 mature individuals but the number is believed to be decreasing. It has assessed the "lesser" M. s. minor as Endangered due to increasing deforestation in its rather small range. Its population is unknown and believed to be decreasing. References External links Crescent-chested puffbird photo gallery VIREO Malacoptila Birds of the Atlantic Forest Birds of Brazil Endemic birds of Brazil Birds described in 1824 Taxonomy articles created by Polbot