SRIVASTAVA, K. K.; ZACHARIAS, V. J.; BHARDWAJ, A. K.; MOHAMMEDJAFER, P. Birds of Periyar Tiger Reserve, Kerala, South India. Indian Forester, [S. l.], v. 119, n. 10, p. 816–827, 1993. DOI: 10.36808/if/1993/v119i10/8250. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/8250. Acesso em: 10 jul. 2025.