On an unobstructed external facade without overhanging roof, or alternatively, directly under overhanging eaves. House Martins always nest on the outside and never on the inside of buildings. Install on the sheltered side of the building.
Height above ground:
At least 2 m or above
This nest can be removed from the base. It can be completely removed by undoing the screws holding the nest. This gives a clear view of the entire nest bowl. Following cleaning the nest bowl is re-inserted and secured.
Colour: Corpus shaded white, grey nests
Weight: 6.25 kg