Desert Bird Census Data

Census data for desert birds.

Usage

DesertBirds

Format

A data frame with 43 observations on the following 2 variables.

species

a character vector

count

a numeric vector

Source

Sauer, J.R., J.E. Hines, and J. Fallon. 2003. The North American breeding bird survey, results and analysis 1966-2002. Version 2003.1. USGS Patuxent Wildlife Research Center, Laurel, MD.

References

http://www.mbr-pwrc.usgs.gov/bbs/

Examples

str(DesertBirds)
#> 'data.frame':	43 obs. of  2 variables:
#>  $ species: Factor w/ 43 levels "American Kestrel",..: 4 39 23 36 1 17 37 43 31 22 ...
#>  $ count  : int  64 23 3 16 7 148 7 625 135 1 ...
histogram(~ count, DesertBirds,
  xlab = "Abundance"
  )