Barn swallow, Hirundo rustica 1, swift, Apus apus 2, house martin, Delichon urbicum, 3, sand martin, Riparia riparia 4
FLO4573996 Barn swallow, Hirundo rustica 1, swift, Apus apus 2, house martin, Delichon urbicum, 3, sand martin, Riparia riparia 4, and nightjar, Caprimulgus europaeus 5