I HAVE recently been particularly interested in the behaviour of Marsh- and Coal-Tits, which together with larger numbers of Blue and Great Tits, have visited the garden here at Llanymynech during about the first three weeks of October, 1944. The garden, and many other places near here, are infested with the little black slug. The Marsh-Tits (Pants palustris dresseri) have been most diligent in p...

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