Swallows and martins birds
The family Hirundinidae is adapted to aerial feeding. They have a slender streamlined body, long pointed wings and a short bill with a wide gape. The feet are adapted to perching rather than walking, and the front toes are partially joined at the base. There are 75 species worldwide and 6 species which occur in Bangladesh.
Photo source Swallows
Photo source martins
Barn swallows are the most widespread of all swallow species — they're found on every continent. A few swallows regularly spend the winter in southern one of the awesome creatures from earth loved it @audreylogan
This birds are always seen in our Bangladesh and all season. They are insect eater birds . Thanks for your informative comment:)
Love to see nature lover in our generation where everybody is crazy about tech now days :) @audreylogan