COLORADO BIRDING SOCIETY

OFFICIAL COLORADO BIRD CHECKLISTS



COLORADO OFFICIAL HISTORICAL CHECKLIST & ALL COUNTY LISTS UPDATED: 07/20/2017
(Nomenclature: checklist of North American Birds, 7th Edition, AOU 1998, updated with 58th Supplement)
COLORADO BIRDING SOCIETY OFFICIAL CHECKLIST OF COLORADO BIRDS (Word)(709kb)
(505 Species!)

RECENT CHANGES

Newest Colorado Bird Species: Purple Sandpiper (506) Now Number 505!
However Note: Lost one species with lost of Thayer's Gull (now subspecies of Iceland Gull!

Changes as result of the 58th Supplement to AOU Checklist below:

A: Red Crossbill Split:
Red Crossbill (Loxia curvirostra)
Cassia Crossbill (Loxia sinesciuris) (In the Albion Mountains and South Hills of Cassia County, Idaho)


B: Thayer's Gull Gone (now subspecies of Iceland Gull)


C: Split of Magnificent Hummingbird
Rivoliís Hummingbird (Eugenes fulgens) (southwestern U.S. to northern Nicargua) There are several Colorado Records
Talamanca Hummingbird* (Eugenes spectabilis) (Costa Rico and western Panama)

D: Split of Northern Harrier
Northern Harrier (Circus hudsonius) (breeds in Colorao)
Hen Harrier* (Circus cyaneus) NO accepted ABA area records)

E: Split of Northern Shrike
Northern Shrike (Lanius borealis) (winters in Colorado, a few found in summer, especially Pueblo County)
Great Gray Shrike* (Lanius excubitor) NO accepted ABA area records)

F: LeConte's Is one Word such as
Le Conteís Thrasher ? LeConteís Thrasher
Le Conteís Sparrow ? LeConteís Sparrow

G: Split of Anas and New Sequence for the Dabbling Ducks
genus "Anas" split into four genera
"Sibirionetta" (Baikal Teal), "Spatula" (shovelers, including false teal),
"Mareca" (Gadwall, Falcated Duck, and wigeons), and "Anas" (mallards, pintail, and true teal)

Baikal Teal (Anas formosa ? Sibirionetta formosa) (NO accepted Colorado records)
Garganey (Anas querquedula ? Spatula querquedula) (Only two accepted CO records: Boulder & Morgan Counties)
Blue-winged Teal (Anas discors ? Spatula discors)
Cinnamon Teal (Anas cyanoptera ? Spatula cyanoptera)
Northern Shoveler (Anas clypeata ? Spatula clypeata)
Gadwall (Anas strepera ? Mareca strepera)
Falcated Duck (Anas falcata ? Mareca falcata)
Eurasian Wigeon (Anas penelope ? Mareca penelope)
American Wigeon (Anas americana ? Mareca americana)
Laysan Duck (Anas laysanensis)
Hawaiian Duck (Anas wyvilliana)
Eastern Spot-billed Duck (Anas zonorhyncha)
Mallard (Anas platyrhynchos)
American Black Duck (Anas rubripes)
Mottled Duck (Anas fulvigula)
White-cheeked Pintail (Anas bahamensis)
Northern Pintail (Anas acuta)
Green-winged Teal (Anas crecca)

H: "Chen" Gone
"white goose" genus "Chen" lumped with "gray goose" "Anser"
Emperor Goose (Chen canagicus ? Anser canagicus)
Snow Goose (Chen caerulescens ? Anser caerulescens)
Rossís Goose (Chen rossii ? Anser rossii)
Graylag Goose (Anser anser)
Greater White-fronted Goose (Anser albifrons)
Lesser White-fronted Goose (Anser erythropus)
Taiga Bean-Goose (Anser fabalis)
Tundra Bean-Goose (Anser serrirostris)
Pink-footed Goose (Anser brachyrhynchus)

I: Sparrows, Spindalises, Yellow-breasted Chat, and a number of Tropical Groups Get Their Own Families and a New Sequence
(Yellow-breasted Chat no longer a warbler)
Rhodinocichlidae (Thrush-tanagers)
Emberizidae (Old World Buntings)
Passerellidae (New World Sparrows and Towhees)
Calyptophilidae (Chat-tanagers)
Phaenicophilidae (Hispaniolan Tanagers)
Neospingidae (Puerto Rican Tanager)
Spindalidae (Spindalises)
Zeledoniidae (Wrenthrushes)
Teretistridae (Cuban Warblers)
Icteriidae (Yellow-breasted Chat)
Icteridae (New World Blackbirds)
Parulidae (New World Warblers)
Mitrospingidae (Dusky-faced Tanager and three South American Species:

J: New Sequence for Sandpipers (yet again)
(see Colorado Bird Checklist for new sequence)

K: New Sequence for Finch Genera

L: Changes to Sequence and Subfamily Classification within the New World Blackbirds (Icteridae)
(see Colorado Bird Checklist for new sequence)



Download Colorado Bird Checklist in Various Formats
Common Name, Scientific Name, Four Letter Codes
(505 species)

COLORADO BIRDING SOCIETY OFFICIAL CHECKLIST OF COLORADO BIRDS (Excel)(77kb)

COLORADO BIRDING SOCIETY OFFICIAL CHECKLIST OF COLORADO BIRDS (Word)(709kb)

COLORADO BIRDING SOCIETY OFFICIAL CHECKLIST OF COLORADO BIRDS (PDF format)(58.3kb)
(Same as above in pdf format.)


NEW! TWO FORMS OF COUNTY LISTS!
1. Download each County Bird Checklist in Word Format
Formatted to print out on one 8.5 by 11 sheet of paper (both sides)
Can be folded in thirds for easy carrying!
2. Download HTM form of each County's Bird Checklist!
Easy to read list of each Counties Bird Records!
(505 Species)

COLORADO BIRDING SOCIETY'S OFFICIAL CHECKLIST OF COLORADO'S COUNTY BIRDS

If you don't have a printer to accommodate the above format, or just want
copies of the Official Colorado Bird Checklist send $1 for three copies to:

Colorado Birding Society
P.O. Box 440813
Aurora, CO 80044



COLORADO BIRDING SOCIETY'S REVIEW LIST OF BIRDS
Feel free to submit any birds thought to be out of range.

DOWNLOAD REVIEW CHECKLIST: REVIEW SPECIES LIST

For Reporting Rare and Interesting Bird Sightings Please Use This Link (Updated to USGS Standards)



Please contact CoBus with any questions:
President of Colorado Birding Society
Rebecca Kosten at the following address:
kostenrebecca(at)hotmail.com

Colorado Birding Society's Home Page