. A comparative study of bird migration in Illinois allong the 40th parallel of latitude. Birds; Theses. 47 Cliff Swallows and Hough-winged Swallows in quantities. On the 31st I saw my first Mourning Dove and Henslow's Sparrow. After Mch. 17th and 18th there was but the one noticeable in- crease of birds, on the 30th. Thus practically speaking all the arrivals in March responded to our huge wind movement and travelled northward in response. Champaign reports practically no arrivals after the 18th. A Saw-whet Owl and Cooper's Hawk on the 24th, 2 Golden-crowned Kinglets; were seen on the 26th, 2


. A comparative study of bird migration in Illinois allong the 40th parallel of latitude. Birds; Theses. 47 Cliff Swallows and Hough-winged Swallows in quantities. On the 31st I saw my first Mourning Dove and Henslow's Sparrow. After Mch. 17th and 18th there was but the one noticeable in- crease of birds, on the 30th. Thus practically speaking all the arrivals in March responded to our huge wind movement and travelled northward in response. Champaign reports practically no arrivals after the 18th. A Saw-whet Owl and Cooper's Hawk on the 24th, 2 Golden-crowned Kinglets; were seen on the 26th, 2 Great Blue Heron on the 27th, one Brown Thrasher on the 31st. Similar to the conditions in Adams Co. are those in Champaign Co. Those new arrivals reported are irregular and no migratory move is perceptible in the matter of numbers excepting on the 30th and 31 st, when the number of birds seen was somewhat larger than usual. MIGRATION OH APKIL 4TH AUD 5TH. April opened 'without any noticeable change until the nights of the 3rd the 4th and Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Musselman, Thomas, b. 1887.


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbirds, bookyear1913