A data frame with 838 observations on the following 2 variables.
Species
RT=Red-tailed, SS=Sharp-shinned
Tail
Length of tail (in mm)
Details
Tail lengths measured for a sample of 838 hawks observed in Mount Vernon, Iowa.
Note: HawkTail2 has these data in unstacked format and they are a subset of the data in Hawks which has a third species (Cooper's hawk).