ROSHNATH, R.; SASHIKUMAR, C. Conservation Challenges of the Heronries in Kerala. Journal of the Bombay Natural History Society (JBNHS), [S. l.], v. 116, p. 63–67, 2019. DOI: 10.17087/jbnhs/2019/v116/131385. Disponível em: https://www.bnhsjournal.in/index.php/bnhs/article/view/131385. Acesso em: 24 aug. 2025.