Title: Bird population studies in the coniferous forest biome during a spruce budworm outbreak /
Authors: Kendeigh, S. Charles 1904-
Publisher: Dept. of Lands and Forests,
Year: 1947
Subjects: Bird populations Ontario.; Spruce budworm Ontario.; Birds Effect of pesticides on Ontario.; Birds Feeds and feeding Ontario.; DDT (Insecticide); Birds Ontario Feeds and feeding.