County Mayo County Mayo in dark green Aghagower Survey Report 2021Balla Survey Report 2021Ballina Survey Report 2021Ballinrobe Survey Report 2021Castle Burke Survey Report 2021Charlestown Survey Report 2021Claremorris Survey Report 2020 List of Mayo Swift Nest Box Projects – April 2021 (external and built-in) Statement-of-Mayo-Swift-nest-boxes-April-2021 Swifts flying past and entering built-in nest boxes at Castlebar Leisure Centre, Co. Mayo in 2020. The building was completed in 2019 and there are 24 built-in nest boxes. In 2020, 12 of the nest boxes were being used by swifts.
