Some aspects of the behavioural and feeding ecology of the rose ringed parakeet, psittacula kram eri manilleusis (Scopoli) in Polonnaruwa, Sri Lanka

2015-03-122015-03-12https://dl.nsf.gov.lk/handle/1/17755Biological sciencesEcologySome aspects of the behavioural and feeding ecology of the rose ringed parakeet, psittacula kram eri manilleusis (Scopoli) in Polonnaruwa, Sri LankaThesisUniversity of ColomboRG/77/010FR 0575 TPhD