Dey, P., Ray, S. D., Sharma, S. K., Pramod, P., & Singh, R. P. (2021). Identification of a unique barb from the dorsal body contour feathers of the Indian Pitta Pitta brachyura (Aves: Passeriformes: Pittidae). Journal of Threatened Taxa, 13(8), 19029–19039. https://doi.org/10.11609/jott.6362.13.8.19029-19039 (Original work published July 26, 2021)