Description Format Details Source
Measurements for a sample of butterflies in Greenland
A data frame with 32 observations on the following 4 variables.
Temp
Average temperature for preceding summer (Celsius)
Wing
Average wing length (mm)
Sex
Female
or Male
Species
all are Bc
, Boloria chariclea
Scientists measured wing length of a species of butterfly, Boloria chariclea (Bc), in Greenland each year from 1996 through 2013. They also recorded summer temperatures.
Digitized data from plots in Bowden, J. et al., "High-Arctic butterflies become smaller with rising temperatures", published in Biology Letters 11: 20150574
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