Kumar, C., Thind, S. K., & Kaleka, A. S. (2021). Breeding behaviour of Purple Sunbird, <i>Cinnyris asiaticus</i> (Latham, 1790) in semiurban area of Punjab. Records of the Zoological Survey of India, 120(4), 323–340. https://doi.org/10.26515/rzsi/v120/i4/2020/152044