COLUMBIA ESTUARY CBC space 1979 to 1988 1979 1980 1981 1982 1983 1984 1985 1986 19871988 years avg RED-THROATED LOON 5 4 5 10 35 1 3 5 3 1 10 7.2 PACIFIC LOON 2 3 6 12 5 3 1 2 8 4.25 COMMON LOON 9 9 17 12 29 6 3 16 9 7 10 11.7 YELLOW-BILLED LOON 0 PIED-BILLED GREBE 14 11 10 25 24 17 36 20 11 10 10 17.8 HORNED GREBE 22 8 4 45 14 18 18 20 7 6 10 16.2 RED-NECKED GREBE 1 1 3 1 1 3 1 2 8 1.625 EARED GREBE 1 1 2 3 1.3 WESTERN GREBE 84 85 241 267 1303 327 228 194 98 309 10 313.6 CLARK'S GREBE 1 1 1 NORTHERN FULMAR 1 1 1 shearwater sp. 6 1 6 BROWN PELICAN 1 1 1 DOUBLE-CRESTED CORMORANT 195 103 88 210 99 81 260 114 66 217 10 143.3 BRANDT'S CORMORANT 7 2 11 17 25 4 11 16 13 9 11.8 PELAGIC CORMORANT 3 2 5 6 35 10 1 4 7 24 10 9.7 AMERICAN BITTERN 1 1 1 2 4 1.25 GREAT BLUE HERON 46 18 80 37 64 99 72 43 21 48 10 52.8 GREAT EGRET 1 1 1 CATTLE EGRET 2 1 2 1 4 1.5 GREEN-BACKED HERON 7 1 7 BLACK-CROWNED NIGHT-HERON 0 MUTE SWAN 0 TUNDRA SWAN 17 14 4 3 11.7 TRUMPETER SWAN 0 WHITE-FRONTED GOOSE 0 SNOW GOOSE 78 1 78 CANADA GOOSE 115 19 122 6 1 31 182 145 36 235 10 89.2 BRANT 0 WOOD DUCK 1 1 1 3 1 *GREEN-WINGED TEAL (common) 21 107 60 56 28 281 9 7 80.3 GREEN-WINGED TEAL 1 81 2 41 MALLARD 354 81 168 70 660 416 786 344 109 390 10 337.8 PINTAIL 12 96 51 17 879 714 3116 446 65 1337 10 673.3 *CINNAMON TEAL 1 7 24 3 10.7 NORTHERN SHOVELER 1 6 6 24 13 8 8 127 8 24.125 GADWALL 2 3 21 24 26 4 8 7 12.6 EURASIAN WIGEON 1 1 2 1 AMERICAN WIGEON 641 200 67 318 890 929 2787 878 266 363 10 733.9 CANVASBACK 633 553 945 1393 2380 292 205 476 284 622 10 778.3 REDHEAD 4 2 1 1 1 2 6 1.8 RING-NECKED DUCK 28 35 13 14 11 26 65 70 8 9 10 27.9 GREATER SCAUP 90 284 212 233 255 141 81 361 12 309 10 197.8 LESSER SCAUP 47 64 35 43 75 19 61 238 51 322 10 95.5 HARLEQUIN DUCK 0 OLDSQUAW 1 1 2 1 BLACK SCOTER 2 29 21 68 85 24 11 25 15 8 10 28.8 SURF SCOTER 148 105 457 335 698 544 106 126 112 212 10 284.3 WHITE-WINGED SCOTER 7 8 3 124 64 179 30 5 21 70 10 51.1 COMMON GOLDENEYE 3 14 15 10 4 23 33 10 10 2 10 12.4 BARROW'S GOLDENEYE 0 BUFFLEHEAD 143 110 122 254 124 222 299 160 135 217 10 178.6 HOODED MERGANSER 27 26 5 10 21 74 60 46 57 17 10 34.3 COMMON MERGANSER 37 54 25 4 45 51 62 35 16 43 10 37.2 RED-BREASTED MERGANSER 1 14 6 21 9 19 27 15 4 3 10 11.9 RUDDY DUCK 82 236 85 71 250 452 38 26 95 88 10 142.3 BLACK-SHOULDERED KITE 1 4 4 1 5 5 3 BALD EAGLE 2 4 4 4 4 3 5 4 8 3.75 NORTHERN HARRIER 18 19 19 15 18 13 20 11 11 32 10 17.6 SHARP-SHINNED HAWK 1 1 5 3 2 3 1 1 8 2.125 COOPER'S HAWK 3 1 2 1 1 2 2 7 1.7 RED-TAILED HAWK 16 5 17 16 27 18 24 17 7 25 10 17.2 ROUGH-LEGGED HAWK 1 4 3 4 2 1 1 1 8 2.125 AMERICAN KESTREL 3 1 2 8 6 1 6 3 8 3.75 MERLIN 1 1 2 2 1 1 1 7 1.3 PEREGRIN FALCON 1 1 2 1 *GYRFALCON 1 1 1 RING-NECKED PHEASANT 1 2 1 1 4 1.25 RUFFED GROUSE 1 2 2 2 2 3 1 7 1.9 CALIFORNIA QUAIL 0 quail sp. 1 1 2 1 VIRGINIA RAIL 1 1 3 2 6 3 17 7 4.7 SORA 1 1 1 3 1 AMERICAN COOT 546 83 82 276 980 335 1394 209 218 134 10 425.7 BLACK-BELLIED PLOVER 300 205 5 15 1 5 105.2 *LESSER GOLDEN PLOVER 2 1 2 *SNOWY PLOVER 2 1 2 SEMI-PALMATED PLOVER 3 4 2 3.5 KILLDEER 60 20 131 27 61 220 129 17 14 52 10 73.1 BLACK OYSTERCATCHER 2 1 2 GREATER YELLOWLEGS 18 20 24 14 6 1 2 3 8 11 SPOTTED SANDPIPER 1 2 2 4 4 2.25 godwit sp. 0 WHIMBREL 1 1 1 *RUDDY TURNSTONE 1 1 1 BLACK TURNSTONE 104 19 37 21 28 25 3 7 33.9 SURFBIRD 17 4 1 3 7.3 RED KNOT 1 1 1 SANDERLING 571 243 756 1185 5853 530 289 28 53 9 1056.4 WESTERN SANDPIPER 100 67 11 17 1 71 81 1 cw 9 43.625 LEAST SANDPIPER 25 113 13 33 60 33 9 25 8 38.875 ROCK SANDPIPER 3 1 3 DUNLIN 173 20483 10593 3216 9465 5577 2717 40 1356 9 5957.8 LEAST/WESTERN SANDPIPER 0 LONG-BILLED DOWITCHER 11 2 2 2 2 95 6 19 COMMON SNIPE 61 9 87 20 80 3 89 18 95 11 10 47.3 RED PHALAROPE 2 1 5 2 4 2.5 *BLACK-HEADED GULL 1 1 1 BONAPART'S GULL 54 4 3 4 1 1 3 7 10 MEW GULL 5 41 3 7 9 16 17 33 78 822 10 103.1 RING-BILLED GULL 107 426 161 84 544 519 2991 131 18 135 10 511.6 CALIFORNIA GULL 1 17 4 11 3 8 7 2 2 2 10 5.7 HERRING GULL 76 76 10 2 12 5 6 11 9 9 23 THAYER'S GULL 1 2 1 8 19 14 10 1 12 5 10 7.3 WESTERN GULL 1512 2150 1716 558 777 520 564 504 255 1404 10 996 GLAUCOUS-WINGED GULL 1053 2576 3430 1869 2089 816 930 78 81 399 10 1332.1 GLAUCOUS GULL 1 1 2 3 1 2 6 1.7 BLACK-LEGGED KITTIWAKE 1 1 1 60 1 5 12.8 *BLACK TERN 1 1 1 3 1 COMMON MURRE 1 3 31 255 2 5 58.4 PIGEON GUILLEMOT 0 ANCIENT MURRELET 1 18 4 3 7.7 CASSIN'S AUKLET 3 1 3 RHINOCERUS AUKLET 0 ROCK DOVE 71 49 30 36 161 66 130 113 114 214 10 98.4 BAND-TAILED PIGEON 1 1 1 MOURNING DOVE 0 BARN OWL 2 4 3 1 1 2 2 7 2.9 WESTERN SCREECH OWL 1 2 2 1.5 GREAT HORNED OWL 1 2 2 1.5 SNOWY OWL 1 1 1 1 4 1 PYGMY OWL 1 1 1 SHORT-EARED OWL 1 2 1 2 4 1.5 SAW-WHET OWL 1 1 2 1 ANNA'S HUMMINGBIRD 1 1 1 BELTED KINGFISHER 5 3 5 7 9 8 12 9 6 10 10 7.4 RED-NAPED SAPSUCKER 0 RED-BREASTED SAPSUCKER 1 1 2 1 2 1 6 1.3 DOWNY WOODPECKER 12 4 13 9 21 9 14 3 3 3 10 9.1 HAIRY WOODPECKER 6 1 11 3 7 12 9 2 1 9 5.8 COMMON FLICKER (red-shafted) 66 53 63 73 94 38 50 44 23 23 10 52.7 (yellow-shafted) 1 1 2 1 PILEATED WOODPECKER 1 3 2 3 2 TROPICAL KINGBIRD 0 HORNED LARK 1 1 2 1 STELLER'S JAY 17 8 36 33 25 36 79 45 12 11 10 30.2 SCRUB JAY 0 AMERICAN CROW 1120 793 1914 1567 2284 1548 814 501 95 704 10 1134 COMMON RAVEN 8 4 3 7 14 9 3 6 1 9 6.1 BLACK-CAPPED CHICKADEE 101 13 66 65 189 34 45 37 25 28 10 60.3 MOUNTAIN CHICKADEE 11 2 2 6.5 CHESTNUT-BACKED CHICKADEE 96 40 144 61 439 146 200 184 4 19 10 133.3 BUSHTIT 10 30 135 55 95 143 32 20 8 65 RED-BREASTED NUTHATCH 75 5 129 1 37 5 49.4 WHITE-BREASTED NUTHATCH 1 1 1 BROWN CREEPER 6 2 9 1 1 4 4 11 1 9 4.3 BEWICK'S WREN 22 4 28 25 25 17 17 11 8 4 10 16.1 WINTER WREN 33 40 158 86 334 71 84 94 14 20 10 93.4 MARSH WREN 18 4 37 35 94 23 23 18 43 37 10 33.2 GOLDEN-CROWNED KINGLET 281 178 403 226 449 296 369 479 121 117 10 291.9 RUBY-CROWNED KINGLET 60 34 115 53 185 78 85 44 37 48 10 73.9 NORTHERN MOCKINGBIRD 0 HERMIT THRUSH 2 5 2 26 6 5 8.2 AMERICAN ROBIN 362 23 157 213 94 69 152 64 94 18 10 124.6 VARIED THRUSH 51 65 152 16 94 73 61 78 32 3 10 62.5 MOUNTAIN BLUEBIRD 0 WRENTIT 1 1 15 2 44 23 9 10 2 9 11.9 AMERICAN PIPIT 1 1 1 CEDAR WAXWING 10 4 cw 3 7 NORTHERN SHRIKE 1 1 6 3 5 3 1 2 8 2.75 LOGGERHEAD SHRIKE 0 EUROPEAN STARLING 4788 5456 14808 2828 10031 6282 9767 5563 354 15740 10 7561.7 HUTTON'S VIREO 1 6 2 3 4 1 1 7 2.6 *ORANGE-CROWNED WARBLER 1 1 1 2 4 1.25 YELLOW-RUMPED WARBLER 12 7 25 7 2 7 4 1 8 8.125 TOWNSEND'S WARBLER 4 63 3 2 11 5 16.6 *PALM WARBLER cw 1 *COMMON YELLOWTHROAT 1 1 1 *DICKCISSEL 1 1 1 RUFOUS-SIDED TOWHEE 6 5 27 22 51 47 85 6 3 9 28 CLAY-COLORED SPARROW 0 SAVANNA SPARROW 1 1 cw 3 1 FOX SPARROW 39 83 471 132 281 392 593 51 26 103 10 217.1 SONG SPARROW 86 194 557 278 433 461 565 264 122 91 10 305.1 LINCOLN'S SPARROW 1 1 1 1 2 5 1.2 SWAMP SPARROW 0 WHITE-THROATED SPARROW 2 1 2 GOLDEN-CROWNED SPARROW 8 37 36 40 38 18 9 18 25 63 10 29.2 WHITE-CROWNED SPARROW 1 5 79 26 14 18 8 19 1 6 10 17.7 DARK-EYED JUNCO (Oregon) 369 208 265 228 253 209 225 172 153 85 10 216.7 (slate-colored) 1 1 2 1 LAPLAND LONGSPUR 1 1 1 SNOW BUNTING 3 11 1 3 5 RED-WINGED BLACKBIRD 13 48 227 278 82 178 244 10 62 499 10 164.1 WESTERN MEADOWLARK 1 7 43 3 3 3 61 12 22 6 10 16.1 BREWER'S BLACKBIRD 14 5 192 168 146 64 73 57 184 9 100.3 BROWN-HEADED COWBIRD 1 1 1 3 1 PINE GROSBEAK 0 PURPLE FINCH 16 2 16 353 14 3 72 4 6 6 10 49.2 HOUSE FINCH 89 29 80 22 86 75 304 8 26 111 10 83 RED CROSSBILL 102 8 14 23 52 14 6 35.5 PINE SISKIN 330 105 356 1 129 2688 132 371 120 367 10 459.9 AMERICAN GOLDFINCH 34 7 30 4 73 4 6 25.3 EVENING GROSBEAK 1 1 1 HOUSE SPARROW 30 7 43 20 41 39 46 49 8 27 10 31 loon sp 80 1 80 grebe sp. 2 1 2 cormorant sp. 7 6 2 6.5 scaup sp. 500 60 2 280 sandpiper sp 56 1 56 WESTERN X GLAUCOUS-WING 56 400 930 113 22 927 6 408 gull sp. 263 3400 175 15 780 5 926.6 alcid sp. 1582640487 41072 18308 45393 21607 36052 16731 407630033 10 26958.5 107 101 120 113 115 110 115 105 94 108 10 108.8 172