Mangalavanam Bird Sanctuary, an ecologically sensitive area situated at the centre of Kochi behind the Kerala High Court building fittingly dubbed as the 'green lung of Kochi'. Primarily a bird refuge, the innate appeal of Mangalavanam is augmented by the Arabian Sea which borders the sanctuary and adds to it a panoramic ambience.Mangalavanam, a nesting ground for a large variety of migratory birds, is a paradise for birdwatchers and twitchers. This green paradise is also a roosting place for resident as well as migratory birds. A survey conducted in 2006 revealed that there were 194 birds belonging to 32 species, in Mangalavanam.The best time to visit the sanctuary are the early summer months, especially from mid-January to early-March.