The Prairie Naturalist

Volume 4, No. 2 June 1972
 Paul B. Kannowski, Editor


TABLE OF CONTENTS

Editorial: Coordination: A Step for Environmental Protection
P. B. Kannowski 34
An Analysis of Barn Owl and Great Horned Owl Pellets from Western Nebraska
E. A. Rickart 35
Summer Observations of the Short-Eared Owl in the Red River Valley
W. J. Walley 39
Additional Glaucous Gull Record for North Dakota
B. J. Rose
42

Migration of Birds in North Dakota during Fall 1971

D. H. Johnson, J. T. Lokemoen and P. F. Springer
   43

Widgeongrass Balls on Alkali Lakes

G. A. Swanson and P. F. Springer
    52

A Probable Instance of Songbird Collision Mortality

R. W. Weier
55

Municipal Floodplain Zoning in North Dakota

P. B. Kannowski
57

The Wonders of Churchill

P. Hart
59

The Living Antiques of the Coteau Des Prairie

D. J. Holden and J. T. Sorenson
61




NOTES
Correction to Christmas Bird Counts for North Dakota--1971
R. N. Randall 38





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