Big Month/Year Reports

Big Years and Big Months are periodically scheduled as some extra fun for DFO field trips. These birding competitions have proven to be an inordinate amount of fun as field trip participants collectively shoot for new records.

Big Year Rules

479 total species recorded over time on all DFO field trips.

Black-bellied Whistling-Duck	Stilt Sandpiper	American Kestrel	Brown-capped Rosy-Finch
Snow Goose	Buff-breasted Sandpiper	Merlin	House Finch
Ross's Goose	Sanderling	Peregrine Falcon	Cassin's Finch
Graylag Goose	Dunlin	Prairie Falcon	Red Crossbill
Greater White-fronted Goose	Baird's Sandpiper	Rose-throated Becard	Cassia Crossbill
Pink-footed Goose	White-rumped Sandpiper	Northern Beardless-Tyrannulet	White-winged Crossbill
Brant	Least Sandpiper	Olive-sided Flycatcher	Pine Siskin
Canada Goose	Pectoral Sandpiper	Greater Pewee	Lesser Goldfinch
Cackling Goose	Western Sandpiper	Western Wood-Pewee	American Goldfinch
Canada Goose	Semipalmated Sandpiper	Eastern Wood-Pewee	Lapland Longspur
Canada Goose	Long-tailed Jaeger	Willow Flycatcher	Chestnut-collared Longspur
Trumpeter Swan	Parasitic Jaeger	Least Flycatcher	Thick-billed Longspur
Tundra Swan	Pomarine Jaeger	Hammond's Flycatcher	Rufous-winged Sparrow
Muscovy Duck	Little Gull	Gray Flycatcher	Botteri's Sparrow
Wood Duck	Black-legged Kittiwake	Dusky Flycatcher	Cassin's Sparrow
Blue-winged Teal	Sabine's Gull	Western Flycatcher	White-crowned Sparrow
Cinnamon Teal	Bonaparte's Gull	Buff-breasted Flycatcher	Chipping Sparrow
Mallard	Laughing Gull	Black Phoebe	Clay-colored Sparrow
Northern Shoveler	Franklin's Gull	Eastern Phoebe	Black-chinned Sparrow
Gadwall	Short-billed Gull	Say's Phoebe	Field Sparrow
Eurasian Wigeon	Ring-billed Gull	Vermilion Flycatcher	Brewer's Sparrow
American Wigeon	Iceland Gull	Dusky-capped Flycatcher	Five-striped Sparrow
Mallard	American Herring Gull	Ash-throated Flycatcher	Black-throated Sparrow
Mexican Duck	Great Black-backed Gull	Great Crested Flycatcher	Lark Sparrow
Northern Pintail	Glaucous Gull	Brown-crested Flycatcher	Lark Bunting
Green-winged Teal	Lesser Black-backed Gull	Sulphur-bellied Flycatcher	American Tree Sparrow
Canvasback	California Gull	Tropical Kingbird	Fox Sparrow
Redhead	Slaty-backed Gull	Cassin's Kingbird	Dark-eyed Junco
Ring-necked Duck	Iceland Gull	Thick-billed Kingbird	Yellow-rumped Warbler
Greater Scaup	Least Tern	Western Kingbird	Yellow-eyed Junco
Lesser Scaup	Caspian Tern	Eastern Kingbird	White-crowned Sparrow
Surf Scoter	Black Tern	Scissor-tailed Flycatcher	Golden-crowned Sparrow
White-winged Scoter	Forster's Tern	Fork-tailed Flycatcher	Harris's Sparrow
Black Scoter	Common Tern	White-eyed Vireo	White-throated Sparrow
Long-tailed Duck	Pied-billed Grebe	Bell's Vireo	Sagebrush Sparrow
Bufflehead	Horned Grebe	Gray Vireo	Vesper Sparrow
Common Goldeneye	Red-necked Grebe	Hutton's Vireo	Savannah Sparrow
Barrow's Goldeneye	Eared Grebe	Yellow-throated Vireo	Song Sparrow
Hooded Merganser	Western Grebe	Cassin's Vireo	Lincoln's Sparrow
Common Merganser	Clark's Grebe	Blue-headed Vireo	Swamp Sparrow
Red-breasted Merganser	Red-throated Loon	Plumbeous Vireo	Canyon Towhee
Ruddy Duck	Arctic Loon	Philadelphia Vireo	Abert's Towhee
Northern Bobwhite	Pacific Loon	Warbling Vireo	Rufous-crowned Sparrow
Scaled Quail	Common Loon	Red-eyed Vireo	Green-tailed Towhee
Gambel's Quail	Yellow-billed Loon	Loggerhead Shrike	Spotted Towhee
Montezuma Quail	Double-crested Cormorant	Northern Shrike	Eastern Towhee
Wild Turkey	Neotropic Cormorant	Canada Jay	Yellow-breasted Chat
Greater Sage-Grouse	White Ibis	Pinyon Jay	Yellow-headed Blackbird
Gunnison Sage-Grouse	Glossy Ibis	Steller's Jay	Bobolink
Dusky Grouse	White-faced Ibis	Blue Jay	Western Meadowlark
Sharp-tailed Grouse	American Bittern	Woodhouse's Scrub-Jay	Eastern Meadowlark
Greater Prairie-Chicken	Least Bittern	Mexican Jay	Chihuahuan Meadowlark
White-tailed Ptarmigan	Yellow-crowned Night Heron	Black-billed Magpie	Orchard Oriole
Ring-necked Pheasant	Black-crowned Night Heron	Clark's Nutcracker	Hooded Oriole
Chukar	Spotted Owl	American Crow	Bullock's Oriole
Band-tailed Pigeon	Little Blue Heron	Chihuahuan Raven	Baltimore Oriole
Eurasian Collared-Dove	Tricolored Heron	Common Raven	Scott's Oriole
Inca Dove	Snowy Egret	Black-capped Chickadee	Red-winged Blackbird
Common Ground Dove	Green Heron	Mountain Chickadee	Bronzed Cowbird
White-winged Dove	Western Cattle-Egret	Mexican Chickadee	Brown-headed Cowbird
Mourning Dove	Great Egret	Bridled Titmouse	Rusty Blackbird
Greater Roadrunner	Great Blue Heron	Juniper Titmouse	Brewer's Blackbird
Yellow-billed Cuckoo	American White Pelican	Verdin	Common Grackle
Black-billed Cuckoo	Brown Pelican	Horned Lark	Great-tailed Grackle
Lesser Nighthawk	Black Vulture	Bank Swallow	Ovenbird
Common Nighthawk	Turkey Vulture	Tree Swallow	Worm-eating Warbler
Common Poorwill	Osprey	Violet-green Swallow	Northern Waterthrush
Mexican Whip-poor-will	Golden Eagle	Purple Martin	Golden-winged Warbler
Black Swift	Sharp-shinned Hawk	Northern Rough-winged Swallow	Blue-winged Warbler
Chimney Swift	Cooper's Hawk	Barn Swallow	Black-and-white Warbler
White-throated Swift	American Goshawk	Cliff Swallow	Prothonotary Warbler
Rivoli's Hummingbird	Northern Harrier	Bushtit	Tennessee Warbler
Rock Pigeon	Bald Eagle	Ruby-crowned Kinglet	Orange-crowned Warbler
Blue-throated Mountain-gem	Mississippi Kite	Golden-crowned Kinglet	Lucy's Warbler
Lucifer Hummingbird	Common Black Hawk	White-breasted Nuthatch	Nashville Warbler
Ruby-throated Hummingbird	Harris's Hawk	Pygmy Nuthatch	Virginia's Warbler
Black-chinned Hummingbird	Gray Hawk	Red-breasted Nuthatch	MacGillivray's Warbler
Anna's Hummingbird	Broad-winged Hawk	Brown Creeper	Mourning Warbler
Costa's Hummingbird	Red-shouldered Hawk	Blue-gray Gnatcatcher	Kentucky Warbler
Calliope Hummingbird	Zone-tailed Hawk	Marsh Wren	Common Yellowthroat
Rufous Hummingbird	Swainson's Hawk	Rock Wren	Hooded Warbler
Broad-tailed Hummingbird	Red-tailed Hawk	Canyon Wren	American Redstart
Broad-billed Hummingbird	Rough-legged Hawk	Northern House Wren	Cape May Warbler
White-eared Hummingbird	Ferruginous Hawk	Winter Wren	Northern Parula
Violet-crowned Hummingbird	American Barn Owl	Sedge Wren	Magnolia Warbler
Berylline Hummingbird	Flammulated Owl	Marsh Wren	Blackburnian Warbler
Virginia Rail	Whiskered Screech-Owl	Carolina Wren	Yellow Warbler
Sora	Western Screech-Owl	Bewick's Wren	Chestnut-sided Warbler
Common Gallinule	Eastern Screech-Owl	Cactus Wren	Blackpoll Warbler
American Coot	Snowy Owl	American Dipper	Black-throated Blue Warbler
Black Rail	Great Horned Owl	European Starling	Palm Warbler
Sandhill Crane	Northern Pygmy-Owl	Gray Catbird	Pine Warbler
Black-necked Stilt	Elf Owl	Curve-billed Thrasher	Yellow-rumped Warbler
American Avocet	Burrowing Owl	Brown Thrasher	Yellow-throated Warbler
Black-bellied Plover	Long-eared Owl	Bendire's Thrasher	Prairie Warbler
American Golden-Plover	Short-eared Owl	Crissal Thrasher	Grace's Warbler
Killdeer	Boreal Owl	Sage Thrasher	Black-throated Gray Warbler
Semipalmated Plover	Northern Saw-whet Owl	Northern Mockingbird	Townsend's Warbler
Piping Plover	Elegant Trogon	Eastern Bluebird	Hermit Warbler
Mountain Plover	Belted Kingfisher	Western Bluebird	Black-throated Green Warbler
Snowy Plover	Green Kingfisher	Mountain Bluebird	Canada Warbler
Upland Sandpiper	Williamson's Sapsucker	Townsend's Solitaire	Wilson's Warbler
Whimbrel	Yellow-bellied Sapsucker	Varied Thrush	Red-faced Warbler
Long-billed Curlew	Red-naped Sapsucker	Veery	Painted Redstart
Hudsonian Godwit	Red-breasted Sapsucker	Swainson's Thrush	Hepatic Tanager
Marbled Godwit	Lewis's Woodpecker	Hermit Thrush	Summer Tanager
Short-billed Dowitcher	Red-headed Woodpecker	Wood Thrush	Scarlet Tanager
Long-billed Dowitcher	Acorn Woodpecker	American Robin	Western Tanager
American Woodcock	Gila Woodpecker	Bohemian Waxwing	Flame-colored Tanager
Willet	Red-bellied Woodpecker	Cedar Waxwing	Northern Cardinal
Wilson's Phalarope	American Three-toed Woodpecker	Phainopepla	Pyrrhuloxia
Red Phalarope	Northern Flicker	Olive Warbler	Rose-breasted Grosbeak
Red-necked Phalarope	Downy Woodpecker	House Sparrow	Black-headed Grosbeak
Spotted Sandpiper	Ladder-backed Woodpecker	American Pipit	Blue Grosbeak
Solitary Sandpiper	Northern Flicker	Sprague's Pipit	Lazuli Bunting
Lesser Yellowlegs	Hairy Woodpecker	Palm Warbler	Indigo Bunting
Willet	Arizona Woodpecker	Pine Grosbeak	Varied Bunting
Greater Yellowlegs	Northern Flicker	Fox Sparrow	Painted Bunting
Ruddy Turnstone	Gilded Flicker	Gray-crowned Rosy-Finch	Dickcissel
Red Knot	Crested Caracara	Black Rosy-Finch

DFO Field Trip Reports

Spring/Fall Counts

Christmas Bird Counts

Big Month/Year Reports

Resources for Birders

Dinosaur Ridge Hawk Watch

Hawk Watch 2023