| # | Species | Location | Date | eBird lists | |
| 1 | Dark-eyed Junco | A - W Caley Drive, Littleton, CO | 1-Jan | | |
| 2 | House Finch | A - W Caley Drive, Littleton, CO | 1-Jan | | |
| 3 | American Robin | A - W Caley Drive, Littleton, CO | 1-Jan | | |
| 4 | Black-capped Chickadee | A - W Caley Drive, Littleton, CO | 1-Jan | | |
| 5 | American Crow | A - W Caley Drive, Littleton, CO | 1-Jan | | |
| 6 | Eurasian Collared-Dove | A - W Caley Drive, Littleton, CO | 1-Jan | | |
| 7 | Black-billed Magpie | Clement Park and Johnson Reservoir | 1-Jan | | |
| 8 | Great Blue Heron | Clement Park and Johnson Reservoir | 1-Jan | | |
| 9 | Ring-billed Gull | Clement Park and Johnson Reservoir | 1-Jan | | |
| 10 | Canada Goose | Clement Park and Johnson Reservoir | 1-Jan | | |
| 11 | Cackling Goose | Clement Park and Johnson Reservoir | 1-Jan | | |
| 12 | Bushtit | 7173 W Stanford Ave, Lakewood US-CO (39.6375,-105.0765) | 1-Jan | | |
| 13 | Mountain Chickadee | 7173 W Stanford Ave, Lakewood US-CO (39.6375,-105.0765) | 1-Jan | | |
| 14 | Cedar Waxwing | Jeff Co. Garrison incidental | 1-Jan | | |
| 15 | White-winged Crossbill | Holbrook Park, Lakewood US-CO (39.7285,-105.0975) | 1-Jan | https://ebird.org/checklist/S78450132 | |
| 16 | Red-breasted Nuthatch | Holbrook Park, Lakewood US-CO (39.7285,-105.0975) | 1-Jan | | |
| 17 | Blue Jay | Holbrook Park, Lakewood US-CO (39.7285,-105.0975) | 1-Jan | | |
| 18 | Northern Flicker | Holbrook Park, Lakewood US-CO (39.7285,-105.0975) | 1-Jan | | |
| 19 | Red-tailed Hawk | Holbrook Park, Lakewood US-CO (39.7285,-105.0975) | 1-Jan | | |
| 20 | House Sparrow | Godsman Park, Denver US-CO (39.6895,-105.0156) | 1-Jan | | |
| 21 | Rock Pigeon | Godsman Park, Denver US-CO (39.6895,-105.0156) | 1-Jan | | |
| 22 | Hooded Merganser | Overland Park area | 1-Jan | https://ebird.org/checklist/S78450135 | |
| 23 | Barrow's Goldeneye | Overland Park area | 1-Jan | | |
| 24 | Common Goldeneye | Overland Park area | 1-Jan | | |
| 25 | Bufflehead | Overland Park area | 1-Jan | | |
| 26 | Mallard | Overland Park area | 1-Jan | | |
| 27 | Gadwall | Overland Park area | 1-Jan | | |
| 28 | Northern Shoveler | Overland Park area | 1-Jan | | |
| 29 | European Starling | South Platte River--Reynolds Landing | 1-Jan | | |
| 30 | American Kestrel | South Platte River--Reynolds Landing | 1-Jan | | |
| 31 | Belted Kingfisher | South Platte River--Reynolds Landing | 1-Jan | | |
| 32 | Common Merganser | South Platte River--Reynolds Landing | 1-Jan | | |
| 33 | Lesser Scaup | South Platte River--Reynolds Landing | 1-Jan | | |
| 34 | Greater Scaup | South Platte River--Reynolds Landing | 1-Jan | | |
| 35 | Ring-necked Duck | South Platte River--Reynolds Landing | 1-Jan | | |
| 36 | Swamp Sparrow | Chatfield SP--below the dam | 1-Jan | https://ebird.org/checklist/S78450134 | |
| 37 | Song Sparrow | Chatfield SP--below the dam | 1-Jan | | |
| 38 | American Tree Sparrow | Chatfield SP--below the dam | 1-Jan | | |
| 39 | American Pipit | Chatfield SP--below the dam | 1-Jan | | |
| 40 | American Dipper | Chatfield SP--below the dam | 1-Jan | | |
| 41 | Brown Creeper | Chatfield SP--below the dam | 1-Jan | | |
| 42 | Ruby-crowned Kinglet | Chatfield SP--below the dam | 1-Jan | | |
| 43 | Wilson's Snipe | Chatfield SP--below the dam | 1-Jan | | |
| 44 | American Coot | Chatfield SP--below the dam | 1-Jan | | |
| 45 | Pied-billed Grebe | Chatfield SP--below the dam | 1-Jan | | |
| 46 | Green-winged Teal | Chatfield SP--below the dam | 1-Jan | | |
| 47 | Northern Pintail | Chatfield SP--below the dam | 1-Jan | | |
| 48 | American Wigeon | Chatfield SP--below the dam | 1-Jan | | |
| 49 | Wood Duck | Chatfield SP--below the dam | 1-Jan | | |