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Rigid plastic collars for marking geese

January 1, 1964

Rigid plastic collars of one to three colors proved useful for recognition of individual Canada geese (Branta canadensis). The collars did not seem to affect the behavior of the geese, and there was little mortality caused by their use. In good light, bright colors are visible through a 20-power spotting scope for more than 1 mile. Retention of collars was about 90 percent for 1 year and more than 80 percent for 2 years.

Publication Year 1964
Title Rigid plastic collars for marking geese
Authors R.M. Ballou, F.W. Martin
Publication Type Article
Publication Subtype Journal Article
Series Title Journal of Wildlife Management
Index ID 5220809
Record Source USGS Publications Warehouse
USGS Organization Patuxent Wildlife Research Center