Data on bird mortality, 1950-c. 1976
- Data and correspondence regarding a dead sparrow distribution and recovery in Oxford, 1969-1970
- British Trust for Ornithology recoveries analysis: data, notes and graphs on sparrow recovery and survival, 1950-1975. Also includes notes on the ageing and sexing of juvenile house sparrows.
- Notes, data and graphs regarding mortality rates, c. 1976
- Print off of programming script regarding data on the survival of birds, including swifts, woodpigeons, mute swans and lapwings. Also includes some graphs and handwritten notes, and reprints of papers "Population changes and mortality of the Mute Swan in Britain" by M.A. Ogilvie, "A Statistical Evaluation of the Effect of Wood-Pigeon Shooting as Evidenced by the Recoveries of Ringed Birds" by R.K. Murton and "Age of First Breeding and Adult Survival Rates in the Swift" by Christopher Perrins. 1966-c. 1973
- 1950-c. 1976
1 box (4 folders)
Language of Materials