Sample,n | δ15N (‰) | δ13C (‰) | C/N | |
---|---|---|---|---|
Mean (SD) | Mean (SD) | Range | ||
BRBO | ||||
Incubation | 12.17 (0.11) | −16.71 (0.14) | 0.29 to 0.32 | |
Males | 10 | 12.12 (0.07) | −16.72 (0.11) | 0.31 to 0.32 |
Females | 9 | 12.23 (0.12) | −16.68 (0.18) | 0.29 to 0.32 |
Chick rearing | 12.31 (0.23) | −16.88 (0.22) | 0.30 to 0.33 | |
Males | 27 | 12.25 (0.18) | −16.88 (0.24) | 0.31 to 0.32 |
Females | 27 | 12.35 (0.28) | −16.84 (0.18) | 0.31 to 0.34 |
RTTB | ||||
Incubation | 12.63 (0.23) | −16.96 (0.17) | 0.30 to 0.32 | |
Males | 10 | 12.62 (0.31) | −16.99 (0.18) | 0.30 to 0.32 |
Females | 9 | 12.63 (0.13) | −16.94 (0.16) | 0.31 to 0.32 |
Chick rearing | 12.68 (0.27) | −16.91 (0.19) | 0.29 to 0.32 | |
Males | 14 | 12.74 (0.27) | −17.09 (0.38) | 0.31 to 0.32 |
Females | 13 | 12.62 (0.41) | −16.93 (0.27) | 0.29 to 0.31 |