. | Cost of flight (difference from pre-manipulated value) (W) . | . | . | . | . | . | |||||
---|---|---|---|---|---|---|---|---|---|---|---|
Bird ID . | 0.5 cm trimmed (one wing) . | N . | 1.0 cm trimmed (one wing) . | N . | 0.25 cm removed (both wings) . | N . | |||||
Black 1 | -0.56 | 3 | -0.48 | 3 | |||||||
D Green 1 | 0.26 | 4 | 0.83 | 3 | |||||||
D Green 4 | 0.01 | 3 | 0.51 | 3 | |||||||
L Green 4 | 0.24 | 3 | 0.07 | 3 | |||||||
Pink 141 | [4.15*] | 3 | * | ||||||||
Purple 31 | -0.46 | 3 | 0.16 | 3 | |||||||
Purple 32 | -0.16 | 2 | * | ||||||||
Purple 37 | 0.88 | 3 | * | ||||||||
Purple 50 | 0.17 | 3 | -0.41 | 3 | |||||||
Purple 65 | -0.01 | 3 | * | ||||||||
Average | 0.04±0.1 | 0.12±0.2 | |||||||||
Black 5 | 0.13 | 3 | |||||||||
D Green 3 | 0.52 | 3 | |||||||||
L Blue 2 | 0.55 | 2 | |||||||||
L Green 5 | 0.96 | 3 | |||||||||
L Green 7 | 0.21 | 3 | |||||||||
Pink 172 | 0.67 | 3 | |||||||||
Purple 80 | 0.12 | 3 | |||||||||
Average | 0.45±0.1 |
. | Cost of flight (difference from pre-manipulated value) (W) . | . | . | . | . | . | |||||
---|---|---|---|---|---|---|---|---|---|---|---|
Bird ID . | 0.5 cm trimmed (one wing) . | N . | 1.0 cm trimmed (one wing) . | N . | 0.25 cm removed (both wings) . | N . | |||||
Black 1 | -0.56 | 3 | -0.48 | 3 | |||||||
D Green 1 | 0.26 | 4 | 0.83 | 3 | |||||||
D Green 4 | 0.01 | 3 | 0.51 | 3 | |||||||
L Green 4 | 0.24 | 3 | 0.07 | 3 | |||||||
Pink 141 | [4.15*] | 3 | * | ||||||||
Purple 31 | -0.46 | 3 | 0.16 | 3 | |||||||
Purple 32 | -0.16 | 2 | * | ||||||||
Purple 37 | 0.88 | 3 | * | ||||||||
Purple 50 | 0.17 | 3 | -0.41 | 3 | |||||||
Purple 65 | -0.01 | 3 | * | ||||||||
Average | 0.04±0.1 | 0.12±0.2 | |||||||||
Black 5 | 0.13 | 3 | |||||||||
D Green 3 | 0.52 | 3 | |||||||||
L Blue 2 | 0.55 | 2 | |||||||||
L Green 5 | 0.96 | 3 | |||||||||
L Green 7 | 0.21 | 3 | |||||||||
Pink 172 | 0.67 | 3 | |||||||||
Purple 80 | 0.12 | 3 | |||||||||
Average | 0.45±0.1 |
After 0.5 cm has been trimmed from the right wing, one bird (pink 141),failed to maintain normal flight patterns and subsequently increased its flight cost by 3× that of its normal pre-manipulated flight. The data from this bird was removed from the calculations (asterisk).