Considering Colombo breathtaking architecture and the hustle and bustle of the nation’s capital, it’s quite understandable if you don’t immediately notice that another world awaits you right in the heart of the city. Just to the east of the city lies 4 wet lands and 3 sanctuaries. Covering 500 hectares, around 680 football fields, the forests are home to no less than four unique nature protection areas. Colombo is home to 110 species of birds out of 494 species of birds Srilanka.