From: The carotenoid-continuum: carotenoid-based plumage ranges from conspicuous to cryptic and back again
 |  | males | females | ANOVA | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 |  | control | carotenoid suppl. | control | carotenoid suppl. | sex | treat. | s × t | adj. R2 | ||||||||
 |  | mean | SE | N | mean | SE | N | mean | SE | N | mean | SE | N |  |  |  |  |
yellow breast | chroma | 0.238 | 0.003 | 11 | 0.281 | 0.003 | 9 | 0.239 | 0.002 | 10 | 0.273 | 0.004 | 10 | NS | ** | NS | 0.77 |
 | Contrast _U_G | 8.59 | 0.21 | 11 | 7.86 | 0.08 | 9 | 8.48 | 0.14 | 10 | 7.46 | 0.13 | 10 | NS | ** | NS | 0.45 |
 | Contrast _V_G | 6.93 | 0.24 | 11 | 5.08 | 0.07 | 9 | 6.91 | 0.15 | 10 | 5.18 | 0.16 | 10 | NS | ** | NS | 0.72 |
 | Contrast _U_B | 7.68 | 0.22 | 11 | 7.37 | 0.13 | 9 | 7.44 | 0.16 | 10 | 6.68 | 0.13 | 10 | ** | ** | NS | 0.3 |
 | Contrast _V_B | 5.50 | 0.27 | 11 | 3.95 | 0.17 | 9 | 5.33 | 0.17 | 10 | 3.67 | 0.18 | 10 | NS | ** | NS | 0.6 |
green back | chroma | 0.201 | 0.002 | 11 | 0.224 | 0.002 | 9 | 0.210 | 0.002 | 10 | 0.237 | 0.002 | 10 | ** | ** | NS | 0.85 |
 | Contrast _U_G | 11.63 | 0.28 | 11 | 9.30 | 0.16 | 9 | 10.60 | 0.13 | 10 | 8.25 | 0.19 | 10 | ** | ** | NS | 0.8 |
 | Contrast _V_G | 10.09 | 0.31 | 11 | 6.57 | 0.25 | 9 | 9.27 | 0.18 | 10 | 5.80 | 0.24 | 10 | ** | ** | NS | 0.83 |
 | Contrast _U_B | 11.41 | 0.30 | 11 | 9.27 | 0.19 | 9 | 10.02 | 0.12 | 10 | 7.90 | 0.20 | 10 | ** | ** | NS | 0.78 |
 | Contrast _V_B | 9.60 | 0.33 | 11 | 6.20 | 0.27 | 9 | 8.36 | 0.17 | 10 | 4.93 | 0.27 | 10 | ** | ** | NS | 0.82 |