# R Dataset / Package Stat2Data / Hawks

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## Hawks

### Description

Data for a sample of hawks

### Format

A dataset with 908 observations on the following 19 variables.

 Month code8=September to 12=December Day Date in the month Year Year: 1992-2003 CaptureTime Time of capture (HH:MM) ReleaseTime Time of release (HH:MM) BandNumber ID band code Species CH=Cooper's, RT=Red-tailed, SS=Sharp-Shinned Age A=Adult or I=Imature Sex F=Female or M=Male Wing Length (in mm) of primary wing feather from tip to wrist it attaches to Weight Body weight (in gm) Culmen Length (in mm) of the upper bill from the tip to where it bumps into the fleshy part of the bird Hallux Length (in mm) of the killing talon Tail Measurement (in mm) related to the length of the tail (invented at the MacBride Raptor Center) StandardTail Standared measurement of tail length (in mm) Tarsus Length of the basic foot bone (in mm) WingPitFat Amount of fat in the wing pit KeelFat Amount of fat on the breastbone (measured by feel Crop Amount of material in the crop, coded from 1=full to 0=empty

### Details

Students and faculty at Cornell College in Mount Vernon, Iowa, collected the data over many years at the hawk blind at Lake MacBride near Iowa City, Iowa. The data set that we are analyzing here is a subset of the original data set, using only those species for which there were more than 10 observations. Data were collected on random samples of three different species of hawks: Red-tailed, Sharp-shinned, and Cooper's hawks.

### Source

Many thanks to the late Professor Bob Black at Cornell College for sharing these data with us.

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Dataset imported from https://www.r-project.org.

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