Kotagama, S. Common, endemic and threatened birds in Sri Lanka - Field Ornithology Group of Sri Lanka Colombo 2006 - 125p. - Common birds Endemic birds Birds Threatened birds Sri Lanka - Pictorial Pocket Guide 1 . ISBN: 955-8576-19-0 Nat. Bib. No.: 6978 Nat. Bib. Agency Control No.: 598.2(548.7) KOT Subjects--Topical Terms: Biological Sciences Universal Decimal Class. No.: 598.2(548.7) 1