Portugal
House Martins (Delichon urbicum) 1
Nest-building House Martins gathering mud from a puddle at Castro Marim.
Nest-building House Martins gathering mud from a puddle at Castro Marim.
Nest-building House Martins gathering mud from a puddle at Castro Marim.
Nest-building House Martins gathering mud from a puddle at Castro Marim.