Letters

01 November 1993
Comments Letters Red-crested Pochard hybrids. The occurrence of hybrids involving Red-crested Pochards Netta rufina may not be so unusual as is suggested by A. H. J. Harrop's note (Brit. Birds 86: 130). A. P. Gray (1958) recorded hybrids with 11 species of the genus An...
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Letters

01 January 1964
Comments Letters Disturbance of breeding and resting birds by bird-watchers Sirs,--Changes in land use involving reclamation for agriculture and forestry, together with other factors consequent upon an expanding economy, have, within the last two or three decades, conside...
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