those birds had so many number bird species in the lanao del sur before 1980's to 1990's but right now wipe out there's no more because there's no food the habitats unclean though threw garbage in the river forest,doon pa cla tuma tae sa ilog pati isda namamatay sa ilog this happened the habitats of thousand species birds in the lanao del sur specially in marawi city had most affected area so many birds dissapear and die the reason no food,no nest habitats,cutting tree and unclean toxic from human,, diffinietly little bit would becoming died river forest.
