II-1. WATERBIRD UTILIZATION OF EAGLE RIVER FLATS
11
Table II-1-1 (continued).
8/17
8/23
8/30
9/5
9/12
9/18
9/21
9/26
10/2
10/9
10/17
10/23
0
0
2
12
52
189
23
62
3
11
10
0
Swans
Geese
Greater white-fronted
8
0
6
0
0
0
0
0
0
0
0
0
Lesser snow
0
0
0
0
0
0
0
0
0
0
0
0
Canada
13
408
16
320
176
119
305
64
8
45
0
0
Subtotal geese
21
408
22
320
176
119
305
64
8
45
0
0
Ducks
Green-winged teal
65
27
76
30
44
31
79
67
14
7
4
0
Mallard
79
191
156
81
45
175
214
281
396
221
144
42
Northern pintail
41
41
117
91
0
91
85
156
0
2
0
0
Nothern shoveler
0
0
0
0
0
0
0
0
0
0
0
0
American wigeon
47
102
52
93
2
120
42
87
0
0
0
0
Gadwall
0
0
0
0
0
0
0
0
0
0
0
0
Greater scaup
0
0
0
0
0
0
0
14
0
0
0
0
Unidentified ducks
23
0
0
182
900
58
61
175
6
0
0
0
Subtotal ducks
255
361
401
477
991
475
481
780
416
230
148
42
Other birds
Bald eagle
0
0
2
0
0
0
0
0
0
1
0
0
Raptor
0
0
0
0
3
0
0
0
0
0
0
0
Sandhill crane
0
13
4
4
20
0
0
0
0
0
0
0
Shorebird
12
35
7
0
0
0
0
0
0
0
0
0
Gull
28
0
19
0
0
0
7
0
0
0
0
0
Arctic tern
0
0
0
0
0
0
0
0
0
0
0
0
Common raven
0
0
0
0
0
0
0
0
0
5
0
0
4). Tule white-fronted geese (Anser albifrons
geese comprised 71% of the total geese
frontalis) were observed in small numbers in
counted in spring, followed by Canada geese
(Branta canadensis). Geese utilized Area
fall. Snow geese were not observed but gener-
Coastal West most in spring (Fig. II-1-4).
ally do not migrate through Cook Inlet in fall.
A small number of Canada geese used ERF
Ducks
during the summer for nesting or brood-rear-
ing (Table II-1-1), with most use occurring
Duck species utilizing ERF in 2000 were
along the riverbanks of Area C (Fig. II-1-4).
similar to other years (Table II-1-1). Dabbling
Fall goose migration was similar to other
ducks comprised 99% of the ducks counted
t h ro u g h the season. Mallards (Anas
years except that fewer geese used ERF. Peaks
p l a t y rh y n c h o s ), American wigeon (A.
occurred in mid-September and early Octo-
americana), American green-winged teal (A.
ber, with heaviest utilization of Areas Coastal
crecca), and northern pintail (A. acuta) were
East and Coastal West (Table II-1-1, Fig. II-1-
Table II-1-3. Percent duck use of major habitat types
by season on ERF in 2000.
Knik
Eagle
Tidal
(n)
Ponds
Shoreline
River
Sloughs
Spring
(1192)
62
0
4
0
Summer
(675)
60
0
12
0
Fall
(5661)
77
3
7
<1
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