A data frame with observations on the following 2 variables.
Tail_RT
Tail length (in mm) for a sample of Red-tailed hawks
Tail_SS
Tail length (in mm) for a sample of Sharp-shinned hawks
Details
Tail lengths measured for a sample of hawks observed in Mount Vernon, Iowa.
Note: HawkTail has similar data in stacked format. The Hawks dataset has more variables and a third species (Cooper's hawk).