Backyard birds in Greeley, Colorado
Which birds visit Greeley yards, when they nest at this latitude, and when to be out for the dawn chorus, all worked out from Greeley's own coordinates.
- Coordinates
- 40.423°, -104.709°
- Population
- 108,795
- June 21 daylight
- 15 h 4 min
- December 21 daylight
- 9 h 17 min
- Sunrise mid-April / late June
- 6:21 AM / 5:28 AM
- Nesting vs state average
- roughly 3 days later than the state-wide average
- Hardiness zones (state)
- USDA 3a–7b
Nesting timing in Greeley
The state guides give nesting windows for Colorado as a whole, weighted toward where most people live (about 39.6°N). Greeley is at 40.4°N. Going by Hopkins' bioclimatic law, spring events move about four days per degree of latitude, so breeding here starts roughly 3 days later than the state-wide average. Elevation and nearby water also play a part.
Daylight triggers breeding. Greeley goes from 9 h 17 min of daylight at the winter solstice to 15 h 4 min in June, a 5 h 47 min swing.
- Black-capped Chickadee — state window April–July; box hole 1 1/8 in round
- Downy Woodpecker — state window April–June; box hole 1 1/4 in round
- Hairy Woodpecker — state window April–June; box hole 1 1/2 in round
- American Goldfinch — state window July–September
- White-breasted Nuthatch — state window April–June; box hole 1 1/4 in round
- House Wren — state window May–August; box hole 1 to 1 1/8 in round
- House Finch — state window April–August
- Mourning Dove — state window March–September
- American Robin — state window April–July
- Dark-eyed Junco — state window May–July
Birds you can expect in Greeley
Year-round residents (56)
Black-capped Chickadees, Downy Woodpeckers, Hairy Woodpeckers, American Goldfinchs, White-breasted Nuthatchs, House Finchs, Mourning Doves, American Robins, Dark-eyed Juncos, Song Sparrows, Northern Flickers, Red-breasted Nuthatchs, Brown Creepers, Red-winged Blackbirds, Evening Grosbeaks, Pine Siskins, Cedar Waxwings, Eastern Screech-Owls, House Sparrows, European Starlings, Steller's Jays, Woodhouse's Scrub-Jays, Black-billed Magpies, Canada Jays, Mountain Chickadees, Bushtits, Juniper Titmice, Pygmy Nuthatchs, Lesser Goldfinchs, Cassin's Finchs, Spotted Towhees, Canyon Towhees, Gambel's Quail, Mountain Bluebirds, Ladder-backed Woodpeckers, Curve-billed Thrashers, Bewick's Wrens, Eurasian Collared-Doves, American Crows, Common Ravens, Cooper's Hawks, Red-tailed Hawks, Great Horned Owls, American Kestrels, Wild Turkeys, Mallards, Great Blue Herons, Belted Kingfishers, Brown-headed Cowbirds, Golden-crowned Kinglets, Red Crossbills, Black-throated Sparrows, Pinyon Jays, Clark's Nutcrackers, Western Screech-Owls, Band-tailed Pigeons
Summer breeders (29)
House Wrens, Chipping Sparrows, Common Grackles, Indigo Buntings, Gray Catbirds, Northern Mockingbirds, Brown Thrashers, Tree Swallows, Barn Swallows, Yellow-rumped Warblers, Eastern Kingbirds, Black-chinned Hummingbirds, Broad-tailed Hummingbirds, Western Bluebirds, Say's Phoebes, White-crowned Sparrows, Fox Sparrows, Violet-green Swallows, Black-headed Grosbeaks, Lazuli Buntings, Bullock's Orioles, Sharp-shinned Hawks, Ruby-crowned Kinglets, Hermit Thrushs, Pine Grosbeaks, Gray Catbirds, Western Tanagers, Lark Sparrows, Green-tailed Towhees
Winter visitors (2)
Cold snaps alternate with sunny, dry thaws; heated baths are valuable because natural water freezes nightly.
When to watch: dawn chorus in Greeley
Songbirds sing hardest in the 30–60 minutes before sunrise, and most of all in spring. In Greeley, sunrise is around 6:21 AM in mid-April, 5:28 AM at the June solstice and 7:18 AM in late December (local time, America/Denver). Fill feeders the evening before so the first birds find food.
Native plants for Greeley yards
Tubular flowers for hummingbirds and seed heads for finches.
Prolific seed heads for finches and sparrows.
Annual native sunflower — the original feeder seed.
Late nectar for insects and fall seed for sparrows.
Native bunchgrass; winter seed and ground cover for sparrows and juncos.
Insect-rich in fall and seed in winter.
Dark summer fruit and heavy caterpillar load.
Berry-like cones feed bluebirds, solitaires and waxwings in winter.
Nearby cities in Colorado
- Windsor — 11 mi away, nesting about the same time as Greeley
- Loveland — 19 mi away, nesting about the same time as Greeley
- Fort Collins — 23 mi away, nesting about the same time as Greeley
- Longmont — 27 mi away, nesting about the same time as Greeley
- Brighton — 31 mi away, nesting about the same time as Greeley
- Lafayette — 36 mi away, nesting about the same time as Greeley
Frequently asked
What birds live in Greeley all year?
Year-round residents across Colorado include Black-capped Chickadee, Downy Woodpecker, Hairy Woodpecker, American Goldfinch, White-breasted Nuthatch. All of them visit backyard feeders in Greeley.
When do birds start nesting in Greeley?
Greeley sits at a different latitude from Colorado's population centre, so nesting runs roughly 3 days later than the state-wide average, going by the rule of about 4 days per degree of latitude.
What time does the dawn chorus start in Greeley?
Songbirds start singing about 30–60 minutes before sunrise. In Greeley, sunrise is around 6:21 AM in mid-April and 5:28 AM in late June.
Sources
- eBird region overview and bar charts — Colorado
- USDA Plant Hardiness Zone Map (2023)
- Audubon Native Plants Database
- GeoNames gazetteer (city coordinates & population)
- NOAA Solar Calculator methodology
Timing reflects typical patterns for the region as a whole; local dates vary with elevation and year. Check the linked eBird bar charts for your county.