Table 4.

Ondatra zibethicus specimen information and stable isotope results. Values in bold indicate mean and 1 SD when duplicate analyses were performed for the same specimen. Specimens collected between August 2013 and August 2014. Stable carbon isotope data are not corrected for the Suess effect.

Project sample ID	Specimen locality	Skeletal element	δ13Ccol (‰, VPDB)	δ15Ncol (‰, AIR)	C (wt. %)	N > ((wt. %)	Collagen yield (wt. %)	Atomic > C:N
M1-TP2013	London, ON	Mandible	−22.7	+5.0	41.1	15.5	8.6	3.1
M3-TP2014	Old Crow Flats, YT	Mandible	−13.6	+5.3	42.6	14.9	11.8	3.3
M4-TP2014	Old Crow Flats, YT	Mandible	−14.2	+2.2	42.1	16.1	12.2	3.0
M5-TP2014	Old Crow Flats, YT	Mandible	−17.5	+3.8	42.5	14.9	10.8	3.3
M6-TP2014	Old Crow Flats, YT	Mandible	−22.0	+5.9	42.5	16.1	13.3	3.1
M7-TP2014	Old Crow Flats, YT	Mandible	−15.1	+6.1	42.6	16.2	11.3	3.1
M8-TP2014	Old Crow Flats, YT	Mandible	−14.6	+3.9	43.2	15.1	13.4	3.3
M9-TP2014	Old Crow Flats, YT	Mandible	−14.3	+6.6	42.8	14.3	13.3	3.5
M10-TP2014	Old Crow Flats, YT	Mandible	−15.0	+5.3	43.2	16.4	12.7	3.1
M11-TP2014	Old Crow Flats, YT	Mandible	−12.6	+5.7	43.6	16.7	13.5	3.0
M13-TP2014	Old Crow Flats, YT	Mandible	−10.7 ± 0.1	+6.0 ± 0.0	42.6	14.9	13.7	3.3
M14-TP2014	Old Crow Flats, YT	Mandible	−11.7	+4.7	42.8	15.0	12.8	3.3