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Table 1 Canada Warbler geolocator model information for units that were deployed in 2014 and 2015 for sites in Alberta, Manitoba, New Hampshire and Québec

From: Widely distributed breeding populations of Canada warbler (Cardellina canadensis) converge on migration through Central America

Model Type W30Z11-DIP W50Z11-DIP P30Z11–7-DIP
Weight 0.30 g 0.42 g 0.36 g
Approximate battery life 7 months 10 months 7 months
Light stalk present No No Yes
Geolocator make Migrate Technology Ltd Migrate Technology Ltd Biotrack
Mass with polypropylene harness 0.320 g 0.440 g
Average percent of total body mass of unit with polypropylene harness 3.1% 4.2%
Weight with Stretch Magic harness 0.316 g 0.421 g 0.370 g
Average percent of total body mass of unit with Stretch Magic harness 3.0% 4.1% 3.7%