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Spotted going up to the nest in the eaves of the house next door 12.5cm fully grown,extremely quick flyers Around 500k breeding pairs in the UK although the pop: has fallen by 45% in the last 25yrs A summer migrant to Britain which leaves between August and October and returns April/May
Feeds almost entirely on flying insects. Nesting tends to be in colonies and they reuse or repair old nests. Two broods a season.