Hirundinidae – Swallows+ or Swallows and martins, is a Family in the Order Passeriformes of Type – aerialist. They are ideally suited for a life on the wing, have several sub-families, and the Family is categorized as outlined below.
Hirundinidae - Swallows+ contains the following categories...
Crag-martins
House-martins
Martins
Swallows
Swallows+
How to identify Swifts, Swallows and Martins
Swallow migration