Table 3 Area (per mil)2 and overlap of maximum likelihood fitted 40% Bayesian ellipses estimated using standard ellipse areas assessed on combinations of feather isotopes (δ13Cf, δ15Nf, δ2Hf) of populations of Bank (BANS), Barn (BARS) and Cliff (CLSW) swallows sampled in Yukon, SK and ON, Canada
Population | Isotope Comparison | Species (Area 1–Area 2) | Area 1 | Area 2 | Overlap (%) |
|---|---|---|---|---|---|
SK | δ13Cf, δ15Nf | BANS—BARS | 11.1 | 9.2 | 29.0 |
BANS—CLSW | 11.1 | 3.5 | 12.7 | ||
BARS—CLSW | 9.2 | 3.5 | 0.0 | ||
δ13Cf, δ2Hf | BANS—BARS | 136.7 | 155.8 | 9.6 | |
BANS—CLSW | 136.7 | 71.1 | 40.7 | ||
BARS—CLSW | 155.8 | 71.1 | 17.2 | ||
δ15Nf, δ2Hf | BANS—BARS | 57.5 | 69.8 | 0.0 | |
BANS—CLSW | 57.5 | 31.6 | 10.0 | ||
BARS—CLSW | 69.8 | 31.6 | 0.0 | ||
ON | δ13Cf, δ15Nf | BANS—BARS | 11.3 | 16.9 | 32.3 |
BANS—CLSW | 11.3 | 5.7 | 10.1 | ||
BARS—CLSW | 16.9 | 5.7 | 33.8 | ||
δ13Cf, δ2Hf | BANS—BARS | 99.4 | 166.9 | 29.2 | |
BANS—CLSW | 99.4 | 54.7 | 9.5 | ||
BARS—CLSW | 166.9 | 54.7 | 32.8 | ||
δ15Nf, δ2Hf | BANS—BARS | 42.7 | 68.5 | 43.5 | |
BANS—CLSW | 42.7 | 22.5 | 30.8 | ||
BARS—CLSW | 68.5 | 22.5 | 32.9 | ||
Yukon | δ13Cf, δ15Nf | BANS—CLSW | 6.0 | 3.8 | 0.0 |
δ13Cf, δ2Hf | BANS—CLSW | 120.2 | 31.1 | 25.3 | |
δ15Nf, δ2Hf | BANS—CLSW | 60.4 | 16.1 | 0.5 |