DURING the years 1944-1949 some 250 visits were made to the tower of S S . Philip and James Church, Ilfracombe, Devon, in order to study the breeding habits of the Swift (Apus apus). These visits were made at hours ranging from 6.00 to 24.00, B.S.T. The nests are situated above the bells at a height of 80 feet from ground level. Under the eaves of the tower on the east and west sides are a number ...

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