Species | N | δ13C (‰) | δ15N (‰) | Trophic position | δ15N [Glx] (‰) | δ15N [Phe] (‰) |
---|---|---|---|---|---|---|
Gentoo penguin | 5 | − 17.1 ± 0.4b | 14.7 ± 0.1b | 3.7 ± 0.2a,b | 27.7 ± 1.5b | 7.5 ± 0.2b |
Magellanic penguin | 5 | − 17.5 ± 0.4a,b | 14.3 ± 0.6a,b | 3.9 ± 0.1a | 26.2 ± 0.3b | 6.9 ± 0.8b |
Rockhopper penguin | 5 | − 18.1 ± 0.6a | 13.6 ± 0.2a | 3.4 ± 0.1c | 23.3 ± 0.6a | 7.2 ± 0.9b |
Thin-billed prion | 5 | − 19.8 ± 0.4c | 12.1 ± 0.9c | 3.5 ± 0.1b,c | 22.1 ± 1.1a | 5.4 ± 0.4a |
ANOVA | F16,3 = 22.2, P < 0.001 | F16,3 = 31.0, P < 0.001 | F16,3 = 12.9, P < 0.001 | F16,3 = 19.4, P < 0.001 | F16,3 = 12.0, P < 0.001 |