The Family Hirundinidae, also known as Swallows and Martins, is a group of passerine birds found across the world. Swallows are characterized by their distinctive forked tails, which helps them to fly and hunt insects in the air. Martins, on the other hand, have a shorter tail and tend to build their nests in man-made structures. Other synonyms for the Family Hirundinidae include the Hirundinidae family, the swallow family, and the martin family. This family of birds is known for their aerial acrobatics, their migrations across long distances, and their distinctive chirping calls, making them a favorite of bird-watchers and nature enthusiasts alike.