Relationship between the density of (a) blackbirds, (b) blue tits, (c) dunnocks, (d) great tits, (e) house sparrows and (f) robins and the estimated proportion of the population killed (N = 6 squares).

<p>The solid line denotes the total population (proportion = 1): the lower and upper dashed lines indicate the proportion of adults and juveniles in the population respectively. Open and closed symbols denote the estimated minimum and maximum number killed expressed as a proportion of the population.