You probably recognize a Northern Cardinal and finches and tanagers are often the red birds that you can spot but there are several different species to learn.
You can print out a free bird identification worksheet for Colorado to help you identify birds that visit your backyard.
So read on to find out when is the best time to spot all these vibrant red birds in Colorado.
15 Red Birds in Colorado:
- House Finch
- Cassin’s Finch
- Red Crossbill
- Pine Grosbeak
- Brown-capped Rosy Finch
- Northern Cardinal
- Summer Tanager
- Common Redpoll
- Vermillion Flycatcher
- Painted Bunting
- White-winged Crossbill
- Purple Finch
- Hepatic Tanager
- Scarlet Tanager
Red Birds in Colorado:
1. House Finch
The most common red bird in Colorado is the House Finch. They can be spotted here all year.
House Finches are another bird with a red head and breast in the males and brown-streaked coloring in the females.
- Length: 5.1-5.5 in (13-14 cm)
- Weight: 0.6-0.9 oz (16-27 g)
- Wingspan: 7.9-9.8 in (20-25 cm)
Originally only in western states it was introduced to the eastern states and has done very well, even pushing out the Purple Finch.
They can be found in parks, farms, forest edges, and backyard feeders. They can be found in noisy groups that are hard to miss.
You can attract more House Finches to backyard feeders with black oil sunflower seeds or nyjer seeds in tube feeders or platform feeders.
2. Cassin’s Finch
You can also spot Cassin’s Finches all year in Colorado. They are common red birds but not as common as House Finches in Colorado.
Cassin’s Finches have a red crown and rosy pink head and are red breasted with a whiteish belly and brown back and wings.
- Length: 6.3 in (16 cm)
- Weight: 0.8-1.2 oz (24-34 g)
- Wingspan: 9.8-10.6 in (25-27 cm)
They can be found in mountain forests in western states foraging in flocks for seeds.
They are not as common in backyards as House or Purple Finches but they may be attracted with sunflower seed feeders especially in winter or fruiting shrubs such as cotoneaster, mulberries, firethorn, grape and apple.
3. Red Crossbill
Red Crossbills can be spotted all year in Colorado.
Red Crossbill males are red birds with darker wings and tails. Females are yellow and brown.
They can be found year-round in northern and western states and in winter in eastern states.
They feed on conifer seeds and forage in flocks from tree to tree, even breaking unopened cones with their powerful beaks. As well as coniferous forests they can be found along roadsides consuming grit in the mornings.
4. Pine Grosbeak
Pine Grosbeak can be spotted all year in Colorado but they are more common in July and August.
Pine Grosbeaks are a species of finch. The males are red birds with gray on the wings and tail and two white wingbars. Females are gray with dull orange heads and rumps. They are large for finches and relatively slow.
- Pinicola enucleator
- Length: 7.9-9.8 in (20-25 cm)
- Wingspan: 13.0 in (33 cm)
Pine Grosbeaks are mostly found in Canada but some can be spotted along the border or in the mountainous west and the Sierra Nevada in California.
They live in forests of pine, spruce and fir feeding on seeds, fruit and buds from these trees. They will also eat some insects in the summer.
You can attract Pine Grosbeaks to black oil sunflower seed feeders or suet feeders.
5. Brown-capped Rosy Finch
Credit: Dominic Sherony
Colorado is one of the few places you can spot this red-bellied bird. They remain in the state all year.
Brown-capped Rosy Finches are reddish pink on the belly and wings that is brighter during the breeding season. They are brown with hints of pink on the rest of their body and brown capped. Juveniles and non breeding adults are mostly brown.
- Leucosticte australis
- Length: 5.5-6.3 in (14-16 cm)
- Weight: 0.8-1.2 oz (23-33 g)
- Wingspan: 13.0 in (33 cm)
Brown-capped Rosy-Finch can be spotted in Colorado and New Mexico in the mountains feeding on seeds, insects and spiders.
They will come to backyard feeders for sunflower seeds or Nyjer seeds.
6. Northern Cardinal
Northern Cardinals can be spotted in Colorado all year, although they are not very common.
The bright red male Northern Cardinal is a bird with a red head, body and tail, with black around their faces. They are a great sight, especially against a white winter background. The females are also a little showy with their brown coloring, sharp brown crest, red highlights, and red beaks.
- Length: 8.3-9.1 in (21-23 cm)
- Weight: 1.5-1.7 oz (42-48 g)
- Wingspan: 9.8-12.2 in (25-31 cm)
Northern Cardinals are found in eastern and southern states and will sometimes attack their own reflection during breeding season as they obsessively defend their territories.
You can attract more Northern Cardinals to backyard feeders with sunflower seeds, peanut hearts, millet, and milo.
They will feed on large tube feeders, hoppers, platform feeders, or food scattered on the ground.
7. Summer Tanager
Summer between April and October is the best time to spot the red male Summer Tanager in Colorado.
Summer Tanager males are bright red birds and females are yellow.
- Piranga rubra
- Length: 6.7 in (17 cm)
- Weight: 1.1 oz (30 g)
They breed in southern and eastern states before heading to Central and South America for winter.
They are forest songbirds and can be found in open woodlands and feed on bees and wasps in mid-flight. They catch them and kill them by beating them against a branch and rub the stinger off before eating them.
You can attract more Summer Tanagers to your backyard with berry bushes and fruit trees.
8. Common Redpoll
Common Redpolls spend the winter in Colorado between November and May.
Common Redpolls have red foreheads, pinky breasts, and are brown and white over the rest of their bodies.
- Acanthis flammea
- Length: 4.7-5.5 in (12-14 cm)
- Weight: 0.4-0.7 oz (11-20 g)
- Wingspan: 7.5-8.7 in (19-22 cm)
They can be found in winter in northern states and less frequently in central states.
In winter they will sometimes tunnel into the snow to stay warm during the night. They can eat up to 42% of their body mass every day and can store up to 2 grams of seeds in a stretchy park of their esophagus.
They can be found in weedy fields or feeding on catkins in trees but they will also come to feeders for small seeds such as nyjer seeds or thistle.
9. Vermillion Flycatcher
These red birds are not often spotted in Colorado but look out for them between March and December to stand the best chance of finding one.
Vermilion Flycatchers are bright red birds from the front and brown on the back. with a brown mask across the face. Females are gray and brown with a pale reddish belly.
- Pyrocephalus rubinus
- Length: 4.8-5.4 in (12.3-13.8 cm)
- Weight: 0.4-0.5 oz (11.3-14.8 g)
They can be found all year in the far south in desert landscapes catching insects or sitting on exposed perches.
They are fairly common in the southwest but also along the Gulf Coast in smaller numbers.
10. Painted Bunting
Although rare in Colorado the painted Bunting has been spotted here in summer between May and September, usually is the east of the state.
Painted Bunting males are a brightly colored patchwork of color with mostly red coloring underneath and with bright blue heads, green wings, and backs. Females are bright yellow-green.
- Passerina ciris
- Length: 4.7-5.1 in (12-13 cm)
- Weight: 0.5-0.7 oz (13-19 g)
Painted Bunting breed in a few states, in the south-central and along with some coastal areas in the Southeast U.S, before migrating at night to Central America, southern Florida, and some Caribbean islands.
You can find Painted Bunting in semi-open habitats foraging mostly for seeds but also insects in the breeding season.
To attract painted Bunting to your yard try adding low dense vegetation and feeders filled with seeds such as white millet or black oil sunflower seeds.
11. White-winged Crossbill
A few White-winged Crossbill can be spotted here
White-winged Crossbills are finches with heavy crossed beaks. Males are red birds with black wings and tails and two white wingbars. Females are yellow and brown and with two white wing bars.
- Loxia leucoptera
- Length: 5.9-6.7 in (15-17 cm)
- Weight: 0.8-0.9 oz (24-26 g)
- Wingspan: 10.2-11.0 in (26-28 cm)
White-winged Crossbills live in forests in Canada, Alaska and sometimes northern US states when cone crops are poor further north. They can be found in spruce forests feeding on seeds.
Unusually these birds breed at any time of year as long as there is enough food.
They can often be heard in large flocks
12. Purple Finch
Winter between October and May is the best time to spot these red birds in Colorado.
Purple Finch look very similar to House Finch with the reddish-purple head and breast with more brown on the back and wings.
- Length: 4.7-6.3 in (12-16 cm)
- Weight: 0.6-1.1 oz (18-32 g)
- Wingspan: 8.7-10.2 in (22-26 cm)
They breed in Canada and overwinter in eastern states but can be found all year in the north-east are Pacific coast.
They can be spotted in evergreen forests feeding on seeds but also buds, nectar and berries.
They readily come to feeders for black oil sunflower seeds.
13. Hepatic Tanager
Summer between May and October is the best time to spot these Hepatic Tanagers in Colorado, usually in the southeast of the state.
Hepatic Tanager males are red birds with some gray on the back. Females are yellow.
- Piranga flava
- Length: 3.5-7.9 in (8.8-20 cm)
- Weight: 0.8-1.7 oz (23-47 g)
- Wingspan: 12.6 in (32 cm)
Hepatic Tanagers breed in southwestern states and Mexico before spending the winter in Mexico, Central and South America.
They can be found in mountain ranges with pine or pine and oak woodlands and feed on insects and spiders. They will also eat some berries such as cherry and grapes.
14. Scarlet Tanager
Scarlet Tanagers are rarely seen in Colorado but a few have been spotted here, usually in the summer.
Scarlet Tanagers are bright red birds with black wings and tails. Females are yellow with darker wings and tails.
- Piranga olivacea
- Length: 6.3-6.7 in (16-17 cm)
- Weight: 0.8-1.3 oz (23-38 g)
- Wingspan: 9.8-11.4 in (25-29 cm)
They breed in eastern forests in summer before migrating to South America.
Scarlet Tanagers can be hard to spot as they stay high in the forest canopy.
You can attract more Scarlet Tanagers by planting berry plants such as blackberries, raspberries, huckleberries, juneberries, serviceberries, mulberries, strawberries and chokeberries.
This accidental red species of bird have been spotted only a few times in Colorado in summer in the south of the state.
Pyrrhuloxia males are grey with lots of red coloring to the face, crest, breast and tail. Females are dull gray with less red coloring.
- Cardinalis sinuatus
- Length: 8.3 in (21 cm)
- Weight: 0.8-1.5 oz (24-43 g)
They are residents of the hot deserts in Texas, New Mexico, Arizona and Mexico.
During the breeding season, they fiercely defend their territory but in winter they can be found in flocks of up to 1000.
Pyrrhuloxia feed mostly on seeds but also insects. They can be found at feeders with sunflower seeds but more often prefer them scattered on the ground.
How Frequently Red birds are Spotted in Colorado in Summer and Winter
Checklists for the state are a great resource to find out which birds are commonly spotted here. These lists show which red birds are most commonly recorded on checklists for Colorado on ebird in summer and winter.
Common Red Birds in Colorado in Summer:
House Finch 34%
Cassin’s Finch 2.5%
Red Crossbill 1.8%
Pine Grosbeak 0.7%
Northern Cardinal 0.2%
Summer Tanager 0.1%
Common Red Birds in Colorado in Winter:
House Finch 36%
Cassin’s Finch 2.3%
Red Crossbill 1.3%
Brown-capped Rosy-Finch 0.9%
Pine Grosbeak 0.7%
Common Redpoll 0.4%
Northern Cardinal 0.1%