Concrete House Martin Bird Nest Box Cup (Set of 2)

Help for House Martins: Providing a suitable nest helps the House Martins after a tiring migration flight Designed for House Martins: House Martins make cup shape nests from mud pellets which this nest emulates Hang inside if possible: House Martins have evolved to nest inside structures to take advantage of shelter and protection Leave in place: House Martins often return to the same nesting site year after year Dimensions: Measures 20cm wide by 12cm x 10cm