To access my paper entitled 'Observations on the Mass Migration of Bridled Terns Sterna anaethetus off the Coast of Colombo', which appeared in IBIS 129 (1) pp.88 - 92 (1987) please click here.
To access 'Response to Warakagoda and Sirivardana' by Kotagama, De Silva, Wijayasinha and Abeygunawardana which appeared in Taprobanica vol 3 no. 1 page 49 (2011) please click here and scroll down to page 49.
To access 'Range extension of White-headed Stilt by D. Parasharya et al. please click here and scroll down to page 52.