Fluctuations in the weights of Bullfinches
01 March 1966
Main paper
T H I S P A P E R is based on over 800 weights of Bullfinches Pjrrhula purrhula from the deciduous woodland of Wytham Estate, hear Oxford, from September 1962 to March 1964. The birds were weighed on a spring balance sensitive to 0.1 gram, which was check...
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