Common Sailor (Neptis hylas)
Typical Nymphalid flight, few downward wing beats followed by a long glide
Likes to bask in early sun rays
A migratory species
Lays a single egg on leaf tip
Larva feeds the leaf from its tip, who resembles the dried up leaf tip
Commonly found in scrub-lands, home gardens and other lightly wooded areas
(Ref: Sri Lankan Butterflies)