The primary purpose of this warbler study is to determine at what dates the various species arrive in the area and at what dates they leave.
Author: James and Margaret Robinson
Volume Number: 11 Year Published: 1963
Issue Number: 4
Page Number: 36
Link to article: http://birdlife.aosbirds.org/1963/Vol 11 No. 4_1963_p36-38.pdf
Link to the full issue of BirdLife: http://birdlife.aosbirds.org/1963/Vol 11 No. 4_1963.pdf
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