Description Usage Format Source References Examples
Number of "dee" notes per call in Black-capped Chickadees (Poecile atricapilla) for 13 predator species with differing body masses.
1 |
A data frame with 13 observations on the following 3 variables.
species
a character vector
mass
a numeric vector
dees
a numeric vector
Templeton, C.N., E. Greene, and K. Davis. 2005. Allometry of alarm calls: Black-capped Chickadees encode information about predator size. Science 308: 1934-1937.
http://www.sciencemag.org/cgi/content/short/308/5730/1934
1 2 3 4 5 6 7 8 | data(Chickadees)
str(Chickadees)
Chickadees
xyplot(dees ~ mass, data = Chickadees,
xlab = "Predator body mass (kg)",
ylab = "'Dees' per call", type=c('p','r')
)
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