Summary[edit] Description: English: Blue-eared Barbet Psilopogon duvaucelii cyanotis Manas National Park Assam India April 2019. Date: 17 April 2019. Source: Blue-eared Barbet Manas National Park Assam India April 2019. Previously published: No, this image has not been published in any science portal; though it can be used in future. Author: Dibyendu Ash.