10 
Nebraska Bird Review 
TAB1£ 5 
GOLDFINCH NESTLING FEATHER TRACT MEAN (NEAREST 0.5 MM) GROWTH IN MM 
Day 
N 
Alar 
Humeral 
Capital 
Spinal 
Ventral 
Crural 
Femoral 
Caudal 
3 
59 
0.5 
- 
- 
- 
- 
- 
- 
- 
4 
49 
1.0 
0.5 
- 
- 
0.5 
- 
- 
- 
5 
35 
2.5 
1.0 
- 
1.0 
1.5 
0.5 
1.0 
0.5 
6 
30 
6.5±0.5 
1.5 
0.5 
1.5 
2.5 
1.0 
2.0 
1.0 
7 
34 
10.0+0.5 
3.0 
1.0 
3.0 
4.0 
1.5 
3.5 
1.5 
8 
34 
13.5+0.5 
4.5 
1.5 
4.5 
5.5 
2.0 
5.0 
2.5 
9 
34 
18.0+0.5 
6.0 
2.0 
6.0 
7.5 
2.5 
6.5 
4.5 
10 
32 
22.5+0.5 
8.0 
2.5 
7.5 
9.0 
3.0 
8.0 
7.0+0.5 
,11 
23 
25.5+0.5 
10.0 
3.5 
9.0 
11.0+0.5 
3.5 
9.0 
9.0+0.5 
12 
15 
29.0+0.5 
11.0+0.5 
4.5 
LO 
O 
+ 1 
LO 
\ — i 
I — 1 
13.5+0.5 
4.0 
10.5+0.5 
11.5+0.5 
13 
5 
31.0±1.0 
13.0+0.5 
5.0+0.5 
14.0+1.0 
16.0+1.0 
4.5+0.5 
12.0+0.5 
14.0±0.5 
Day 
N 
FEATHER TRACT 
Alar Humeral 
TABLE 6 
MEAN GROWTH RATES 
Capital Spinal 
IN GOLDFINCH NESTLINGS 
Ventral Crural Femoral 
Caudal 
4 
49 
.83 
- 
- 
- 
- 
- 
- 
- 
5 
35 
.95 
.66 
- 
- 
.85 
- 
- 
- 
6 
30 
.99 
o 
LO 
- 
.65 
.'63 
.44 
.78 
.39 
7 
34 
.41 
.66 
CD 
Csi 
.62 
.42 
.45 ■ 
.47 
.35 
8 
34 
.30 
.37 
.25 
.42 
.34 
.22 
.32 
• .63 
9 
34 
.28 
.35 
.40 
.36 
.34 
.20 
.28 
.60 
10 
32 
.23 
.23 
.29 
.21 
.21 
.31 
.20 
.38 
11 
23 
.13 
.23 
.32 
.20 
00 
I—1 
.15 
.17 
.27 
12 
15 
.14 
.13 
27 
.24 
.20 
.13 
.15 
.22 
13 
5 
.07 
.16 
.08 
.19 
.16 
.09 
.12 
.21 
Index* 
.63 
.46 
.30 
.41 
.47 
.30 
.37 
.44 
* Index is the average of the rate of feather growth for the first six days of 
each tract. 
