House martins (Delichon urbica) have arrived to build their nests under the eaves of the Pavilion changing rooms of Swansea University. The poor birds used to be able to freely collect mud for construction from the sides of the dirt running track but, with the construction of the all-weather track, now have to search more widely.
Wednesday, 3 June 2009
Birder's Bonus 50
House martins (Delichon urbica) have arrived to build their nests under the eaves of the Pavilion changing rooms of Swansea University. The poor birds used to be able to freely collect mud for construction from the sides of the dirt running track but, with the construction of the all-weather track, now have to search more widely.
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