19 AND 20 show a variety of nests of Ring Ouzels Tardus torquatus in Derbyshire. These range from what is by far the most common site, on an overgrown bank, to a very unusual nest five feet up in a tree. Nests of the first type (plate 19a) are sometimes trodden on by passing sheep and I have also known these animals push the eggs out with their noses. When a nest is on a bank with a steep slope of...

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