2nd August, 2020 The Illustrated Natural History of Selborne.
(Sorry for the ‘break in service’ – personal issues). If swifts, swallows and martins rely on winged insects, or more correctly insects on the wing, then this seems to be a niche food source and thus more susceptable to changing environmental conditions. On the short theme of flies I can remember as a child having […]
2nd August, 2020 The Illustrated Natural History of Selborne. Read More »