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C  

1999 Monthly Census at the
San Joaquin Wildlife Sanctuary

SJWS Census: 1999 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Total
GREBES
Pied-billed Grebe 3 12 6 8 8 19 13 29       84 283
Eared Grebe 8 18 18 8 2 . . .       28 180
Horned Grebe . . . . . . . . . . 2 . 2
Western Grebe 1 . . . . . . . . . 7 9 17
PELICANS & CORMORANTS
American White Pelican . . . . . . . . . . . . .
Brown Pelican 1 1 . . . . . . . . . . 2
Double-crested Cormorant 2 2 8 1 6 . 51 27 15 15 15 7 149
HERONS & EGRETS
American Bittern . . . . . . . . 1 . . . 1
Least Bittern . . . . . . . cw 6 1 2 . . 9
Great Blue Heron 2 4 3 1 2 6 12 6 7 12 8 4 67
Great Egret 2 2 . . 2 4 19 28 13 19 17 9 115
Snowy Egret 1 . . 1 7 3 7 60 28 56 11 18 192
Green Heron 1 . . . . 3 3 9 11 1 . . 28
Black-crowned Night-Heron 2 2 2 . 6 16 24 29 24 23 21 29 178
IBIS
White-faced Ibis . . . 1 2 . 5 . cw 12 . 3 . 23
GEESE
Egyptian Goose . . . . . . . . 9 . . . 9
DUCKS
Mallard 8 16 32 61 137 156 249 172 177 145 39 30 1222
Gadwall 8 30 4 18 18 8 . . 19 7 42 6 160
Green-winged Teal 78 360 216 122 . . . . . 128 125 185 1214
American Wigeon 28 60 2 6 4 4 . . . 8 4 . 116
Northern Pintail 36 42 1 . . 1 . 1 15 53 63 56 268
Northern Shoveler 154 348 476 381 6 2 1 . 22 76 198 148 1812
Blue-winged Teal . . . 1 5 . . . . 2 . . 8
Cinnamon Teal 12 41 20 56 36 37 30 8 41 50 45 28 404
Canvasback  . . . . . . . . . . 1 3 4
Redhead . . . . 2 . . . . . 8 27 37
Ring-necked Duck . 51 87 16 . . . . . . 46 56 256
Lesser Scaup . 30 2 10 . . . . . . 2 2 46
Bufflehead 14 27 72 24 . . . . . . 20 72 229
Wood Duck . . . . . . . . . 1 . . 1
Ruddy Duck 190 438 486 361 119 88 70 54 27 48 544 491 2916
SJWS Census: 1999 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Total
RAILS
Sora . . . 1 . 2 . 1 7 7 2 3 23
Common Moorhen . . . 2 . 6 1 1 3 1 3 3 20
American Coot 273 295 331 132 163 146 107 70 55 162 284 213 2231
STILTS & AVOCETS
Black-necked Stilt 136 175 95 78 119 61 151 70 82 66 82 127 1242
American Avocet 29 35 69 164 193 58 101 59 15 32 104 101 960
PLOVERS
Black-bellied Plover . . . 5 . . . . . . . . 5
Semipalmated Plover 27 . . . 1 . . 2 5 3 1 2 41
Killdeer 25 12 48 32 27 51 32 27 75 3 1 2 338
SHOREBIRDS
Marbled Godwit 15 . 10 10 . . . 12 10 . . . 57
Whimbrel . 3 . 12 . . . 15 . . . . 30
Long-billed Curlew 7 . 2 . . . . 21 1 . . . 31
Willet 2 4 5 8 3 . . . . . . . 22
Greater Yellowlegs . . . . 1 1 . . 3 2 2 2 11
Lesser Yellowlegs . . . . . . 1 3 2 . 2 . 8
Spotted Sandpiper 1 4 5 1 1 . . 5 1 3 2 4 27
Wilson's Phalarope . . . . 4 . 2 9 7 . . . 22
Short-billed Dowitcher . . . . . . . . 2 1 . . 3
Long-billed Dowitcher . . . . 3 . . 205 . . . . 208
dowitcher species 67 3 57 256 15 . . . 36 20 31 17 502
Dunlin 5 2 . 2 . . . . . . 6 . 15
Common Snipe . . . . . . . . . . . 1 1
Western Sandpiper 6 14 48 230 10 . 6 16 110 69 17 1 527
Least Sandpiper . 17 9 62 4 . . 8 8 13 119 25 265
Pectoral Sandpiper . . . . . . . . . 1 . . 1
Ruff . . . . . . . . . cw 1 . . 1
SJWS Census: 1999 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Total
GULLS & TERNS
Bonaparte's Gull . . . 2 32 1 . . . . 6 1 42
Ring-billed Gull 31 53 11 . 7 . . . 2 8 18 14 144
California Gull 11 . . . . . . . . . . . 11
Western Gull . . . . . . . . 1 . . . 1
Forster's Tern 2 . . . 15 6 55 142 29 10 19 7 285
California Least Tern . . . . 6 3 9 10 . . . . 28
Caspian Tern 3 2 . . 2 3 2 25 14 15 7 . 73
Black Tern . . . . . . . . 1 . . . 1
Black Skimmer . . . . . 3 12 31 1 . . . 47
BIRDS OF PREY
Turkey Vulture 3 7 6 2 3 4 1 2 25 6 21 6 86
White-tailed Kite 3 3 4 3 2 . 3 4 3 2 2 . 29
Northern Harrier 2 1 1 3 . 1 . . 2 1 3 1 15
Sharp-shinned Hawk . . . . . . . . . . . 1 1
Cooper's Hawk . 1 2 . . 1 . 5 2 2 2 2 17
Red-shouldered Hawk . . . . . . . . 1 1 2 . 4
Red-tailed Hawk 2 4 3 1 2 1 . . . . 1 5 19
Osprey . . . . . . . . cw 1 4 6 1 12
American Kestrel 2 . . 1 . 1 . . . . 1 1 6
Merlin . 1 . . . . . . . . . . 1
Short-eared Owl . . . . . . . . . . cw 1 . 1
QUAIL & DOVES
California Quail . . . . . . 1 . . . . . 1
Rock Dove . . . . 9 1 1 3 3 1 . . 18
Mourning Dove 7 9 33 12 . 32 63 88 53 53 15 23 388
Common Ground-Dove . 1 . . . . 4 . . . . . 5
SJWS Census: 1999 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Total
NIGHTHAWKS & SWIFTS
Lesser Nighthawk . . . . 1 . . . . . . . 1
Vaux's Swift . . . . . 1 . . 2 . . . 3
White-throated Swift . . 12 . . 29 . . 9 . . 28 78
ROADRUNNERS
Greater Roadrunner . . . . 1 . . . . . . . 1
HUMMINGBIRDS
Black-chinned Hummingbird . . . . . . . . . . . . 0
Anna's Hummingbird 1 7 6 2 3 6 5 3 12 2 8 12 67
Allen's Hummingbird . . . . . 2 . 1 1 . . 1 5
KINGFISHERS
Belted Kingfisher . . 1 . . . . . 2 . . 2 5
WOODPECKERS
Northern Flicker 2 1 1 1 . . . . . . . . 5
Downy Woodpecker . . . . 1 . . . . 2 . . 3
Nuttall's Woodpecker . . . . . 2 . . . . . . 2
FLYCATCHERS
Western Kingbird . . . 4 . . . . . . . . 4
Cassin's Kingbird . . . 3 3 1 . . . . 2 7 16
Ash-throated Flycatcher . . . . 1 1 . . . . . . 2
Black Phoebe 6 9 3 7 8 6 10 15 21 28 26 19 158
Say's Phoebe . 1 1 . . . . . . . 6 1 9
Pacific-slope Flycatcher . . . . . 1 . . 1 . . . 2
Western Wood-Pewee . . . . 1 . . . . . . . 1
Willow Flycatcher . . . . . 1 . . 1 . . . 2
SWALLOWS
Tree Swallow . 7 75 91 78 22 38 240 20 3 35 17 626
Violet-green Swallow . . 10 6 . . . . . . . . 16
Bank Swallow . . . . . 1 . . . . . . 1
N. Rough-winged Swallow . . 92 143 2 63 4 31 23 . 50 3 411
Cliff Swallow . . 5 898 27 551 359 449 38 48 . . 2375
Barn Swallow . . . . . . . 44 65 36 . 1 146
SJWS Census: 1999 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Total
CROWS & RAVENS
American Crow 2 4 22 10 9 12 34 12 14 33 12 5 169
Common Raven . . 1 3 . 1 1 . . . 6 . 12
BUSHTITS & WRENS
Bushtit 20 12 12 16 36 6 . 15 10 31 28 37 223
Bewick's Wren . . . . . . . 1 1 1 1 2 6
House Wren . . . . 1 . . . . 1 2 3 7
Marsh Wren . 6 13 9 15 38 13 6 7 32 35 44 218
KINGLETS & GNATCATCHERS
Ruby-crowned Kinglet 2 . 2 . 1 . . . . . 1 1 7
Blue-gray Gnatcatcher 3 . . . . . . . . 1 3 11 18
THRUSHES . . . . . . . . . . . . .
Hermit Thrush 4 . . . . . . . . . . . 4
Swainson's Thrush . . . . 2 . . . . . . . 2
MOCKINGBIRDS & SHRIKES
Northern Mockingbird 1 . . 11 4 2 4 . 3 . 1 2 28
Loggerhead Shrike 1 . . . . . . . . . 1 . 2
PIPITS
American Pipit 3 3 257 86 7 . . . . . 172 1078 635
STARLINGS
European Starling . . . . . . . . . . 4 4 8
VIREOS
Warbling Vireo . . . . 3 . . . 1 . . . 4
Hutton's Vireo . . . . . . . . . . 1 . 1
Bell's Vireo . . . . 2 2 2 . 1 . . . 7
WARBLERS
Orange-crowned Warbler . . . 1 4 . . . . 2 . 2 9
Yellow-rumped Warbler . 24 9 6 3 . . . . . 10 39 91
Yellow Warbler . . . . 1 . . . . . . . 1
Wilson's Warbler . . 1 . 1 1 . . . . . . 3
Common Yellowthroat 8 17 9 5 5 42 31 51 66 48 41 71 394
Yellow-breasted Chat . . . . . . 3 . . cw 1 . . 4
Black-throated Gray Warbler . . . . 1 . . . . . . . 1
Hermit Warbler . . . . 2 . . . . . . . 2
SJWS Census: 1999 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Total
SPARROWS
Black-headed Grosbeak . . . . 1 1 . . . . . . 2
California Towhee . . 2 . 4 1 . . . . . . 7
Spotted Towhee . . . 1 4 1 2 . 6 2 3 . 19
Savannah Sparrow . . 3 . . . . 24 7 4 . 19 57
Song Sparrow 4 15 28 22 23 81 59 74 116 69 57 183 731
White-crowned Sparrow 9 25 3 12 . . . . . 2 66 76 193
Lincoln Sparrow . . . 1 . . . . . . . . 1
BLACKBIRDS & ORIOLES
Western Meadowlark . . . . . . . . . . 12 3 15
Yellow-headed Blackbird . . . . 2 1 . . . . . . 3
Red-winged Blackbird 50 49 31 11 16 79 339 62 187 257 53 188 1322
Brewer's Blackbird . . . . . . . . . . 6 . 6
Great-tailed Grackle . . . . 2 6 3 14 5 . . . 30
Bullock's Oriole . . . . 2 1 . . . . . . 3
Western Tanager . . . . 2 . . . . . . . 2
FINCHES
American Goldfinch . . . . 4 4 . 1 . . 6 . 15
Lesser Goldfinch . . 4 . 2 6 29 5 13 6 2 3 70
House Finch 5 14 11 15 16 25 76 6 20 11 21 47 267
EXOTIC SPECIES
Mute Swan (immature) . . . . . . . . . . 1 . 1
Orange Bishop . . . . . . . . 2 . . . 2
. . . . . . . . . . . . .
Total Birds Seen 1331 2324 2788 3459 1284 2726 2067 2416 1686 1813 2728 2799 27466

 


Sea & Sage Audubon Society
PO Box 5447 • Irvine, CA 92616 • 949-261-7963

http://www.seaandsageaudubon.org