Measurements on breedings pairs of landbird species were collected from 16 islands about Britain over several decades.
birdextinct
A data frame with 62 observations on the following 5 variables.
name of bird species
average time of extinction on the islands
average number of nesting pairs
size of the species, 1 or 0 if large or small
staus of the species, 1 or 0 if resident or migrant