The Bluebird Rail Data

I combed through as many issues of The Bluebird (the publication of the Audubon Society of Missouri for all records of Sora, Virginia Rail, Yellow Rail, King Rail and Black Rail. Those data are included here. http://mobirds.org/ASM/Bluebird.aspxspecies = the four letter alpha code for each speciesyear = the year the observation happenedmonth = the month the observation happenedday = the day the observation happenedlocation = the location as described in The Bluebirdcounty = if given, the county the observation was innumber = number of individuals, if count not given, entered a 1volume = volume of The Bluebirdissue = issue of The Bluebird