coots {SDaA}

Egg Size from Coots

Description

Selected information on egg size from coots, from a study by Arnold (1991). Data courtesy of Todd Arnold.

Usage

coots

Format

Data frame with the following 11 variables:

clutch

clutch number from which eggs were subsampled

csize

number of eggs in clutch (Mi)

length

length of egg (mm)

breadth

maximum breadth of egg (mm)

volume

calculated as 0.00507 x length x breadth^2

tmt

received supplemental feeding? factor with levels no and yes

Note

Not all observations are used for this data set, so results may not agree with those in Arnold (1991)

Source

Arnold, T.W. (1991). Intraclutch variation in egg size of American Coots, The Condor, 93: 19–27

References

Lohr (1999). Sampling: Design and Analysis, Duxbury, p. TODO and 440.