TABLE B-23. —Aerial counts, Canada goose breeding pairs and 
grouped birds, Idaho, 1963 and 1964 
Area 
1963 
1964 
Snake River drainage: 
Farewell Bend to railroad bridge- 
1,351 
1,748 
Payette River (mouth to Emmett)- 
477 
318 
Strike Dam to American Falls Dam- - - 
222 
231 
North Fork, including Island Park- 
451 
419 
South Fork- 
239 
158 
Mud Lake - Camas Refuge area- 
210 
186 
Gray's Lake area- 
814 
872 
Blackfoot Reservoir area- 
587 
562 
Subtotal- 
4,351 
4,494 
Bear River and drainage: 
Dingle Marsh area- 
2,225 
1,605 
Total- 
6,576 
6,099 
TABLE B-24. —Canada goose production index, 
Idaho, 1963 and 1964 
Nesting unit 
1963 
1964 
Percent 
change 
from 1963 
Southwestern Idaho: 
Homedale- 
1,116 
1,162 
+4 
Payette River- 
711 
577 
-19 
Southeastern Idaho:- 
Blackfoot Reservoir- 
483 
317 
-34 
Island Park Reservoir- 
128 
69 
-46 
North Fork Snake River- 
149 
51 
-65 
North Lake- 
33 
81 
+145 
Total- 
2,620 
2,257 
-14 
66 
