Iowa Bird Migration Calendar, 1964

from the Woodward H. Brown Collection at Iowa State University

A selection of observational data, correspondence with other birders, and various editions of the Des Moines Audubon Society's Polk County Check-list, compiled by Brown

https://digitalcollections.lib.iastate.edu/brownwoodward/items/brownwoodward334.html

4 pages - scrollable or download to save/print

or click the "Popout" button at top right to open in your chosen pdf reader 

These are average dates, and may have shifted over the intervening 60+ years

If you email your observations, I'll create an errata page to include them

annie@ewe4ia.com

(1 word - 4 syllables - accent on the digit)