Post-mortem examinations of birds found dead during the cold spells of 1954 and 1956.

Author Ash, J.S.
Citation Ash, J.S. (1957). Post-mortem examinations of birds found dead during the cold spells of 1954 and 1956. Bird Study, 4: 159-166.

Abstract

  1. The probable causes of death of birds found in the cold spells of 1954 and 1956 are listed and discussed.
  2. In 1954 nine birds were examined, of which three were diseased, two heavily parasitised, and two injured.
  3. In 1956 29 birds were examined, of which 27 were parasitised (some heavily).,
  4. Body weights were extremely low, ranging from 20 to 54% below 'normal' weights.
  5. Many more females than males (21:9) were found dead.

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