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Species Profile

Northern Flicker

Colaptes auratus

The ant-eating woodpecker next door
Birdiegal/Shutterstock.com

Northern Flicker Distribution

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Found in 93 locations

Male Northern Flicker

At a Glance

Wild Species
Also Known As Flicker, Common Flicker, Yellowhammer, Ground woodpecker
Activity Diurnal+
Lifespan 3 years
Weight 0.16 lbs
Status Least Concern
Did You Know?

Unusual for a woodpecker, it forages extensively on the ground-especially for ants-using a long, barbed, sticky-tipped tongue.

Scientific Classification

The Northern Flicker is a widespread North American woodpecker notable for spending substantial time foraging on the ground, especially for ants, and for its bold underwing coloration and spotted breast.

Kingdom
Animalia
Phylum
Chordata
Class
Aves
Order
Piciformes
Family
Picidae
Genus
Colaptes
Species
auratus

Distinguishing Features

  • Brown-barred back with black spotting on the underparts
  • Prominent black breast crescent (bib)
  • Brightly colored wing and tail shafts (yellow in eastern populations, red in western populations)
  • White rump patch visible in flight
  • Strongly ant-focused, ground-foraging behavior compared with many woodpeckers

Physical Measurements

Length
12 in (11 in – 1 ft)
Weight
0 lbs (0 lbs – 0 lbs)
Top Speed
32 mph
flying

Appearance

Primary Colors
Secondary Colors
Skin Type Feathered body; keratin bill; scaly (keratinized) legs and zygodactyl feet; stiff tail feathers for bracing.
Distinctive Features
  • Total length 28-36 cm; wingspan 42-54 cm; mass 0.086-0.167 kg (Birds of the World; Cornell Lab of Ornithology).
  • Longevity record: 9 years 2 months (USGS Bird Banding Laboratory longevity records).
  • Ground-foraging specialist among woodpeckers; diet dominated by ants taken with long, barbed tongue (Birds of the World).
  • Black breast crescent plus heavily spotted belly are key field marks at all ranges.
  • White rump patch flashes strongly in flight, aiding identification at distance.
  • Underwing and undertail show bright yellow (east/central) or red (west) shafts/linings; forms intergrade across the Great Plains (Birds of the World).
  • Strong, slightly decurved woodpecker bill; excavates nest cavities in trees and snags (Birds of the World).
  • Frequent drumming (rapid bill strikes) for territorial display; also gives loud, ringing 'wick-a-wick' calls (Birds of the World).
  • Zygodactyl feet (two toes forward, two back) and stiffened tail support vertical clinging on trunks.
  • Nape often shows a red patch; face shows contrasting gray/tan with black facial markings.

Sexual Dimorphism

Sexes are similar in size and overall plumage, but males have a distinct malar ("moustache") stripe. Females lack the malar stripe; shaft color differs regionally (yellow-shafted vs red-shafted forms) in both sexes.

  • Distinct malar stripe: black in yellow-shafted populations; red in red-shafted populations.
  • Often slightly bolder facial contrast around the malar region.
  • Same black breast crescent, spotted underparts, and white rump as females.
  • No malar ("moustache") stripe; face appears cleaner below the cheek.
  • Otherwise matches male: black breast crescent, spotted belly, barred back, white rump.
  • Shares regional shaft color (yellow or red) depending on population/form.

Did You Know?

Unusual for a woodpecker, it forages extensively on the ground-especially for ants-using a long, barbed, sticky-tipped tongue.

Two main regional forms occur: "yellow-shafted" in the East and "red-shafted" in the West, with broad hybridization in the Great Plains.

Field-mark in flight: a bright white rump patch that flashes as it bounds away.

It drums (rapid bill strikes) to advertise territory-often choosing loud "instruments" like metal gutters or chimney caps in towns.

Typical size: 28-31 cm long with a 42-51 cm wingspan; mass commonly 0.086-0.167 kg (varies by sex/season).

It nests in tree cavities it excavates; typical clutch is 5-8 eggs, with ~11-12 days incubation and ~24-28 days to fledge.

Longevity record from banding data is just over 9 years (wild individual).

Unique Adaptations

  • Woodpecker shock-absorption: reinforced skull/bill structure and neck musculature help withstand repeated impacts during drilling and drumming (shared woodpecker trait).
  • Zygodactyl feet + stiff tail brace: two toes forward/two back and rigid tail feathers form a tripod for climbing and excavating (family Picidae hallmark).
  • Projectile tongue apparatus: elongated hyoid bones wrap around the skull; the tongue can extend well beyond the bill tip to snag ants with barbs and sticky saliva.
  • Ground-feeding toolkit: relatively long legs and a slightly decurved bill aid terrestrial foraging compared with many more tree-bound woodpeckers.
  • Pigment-based "shaft" colors: red- vs yellow-shafted wing and tail quills are a key regional identification trait and remain visible even in worn plumage.

Interesting Behaviors

  • Ground-foraging specialization: walks and probes soil/litter for ants and other insects; often seen on lawns, fields, and open woodland edges.
  • Ant-focused feeding: frequently targets ant nests and trails; also eats beetles, caterpillars, and seasonally more fruit/berries.
  • Excavating nest cavities: uses powerful bill and neck muscles to chisel nest chambers in dead/soft wood; cavities may later be used by other birds and small mammals.
  • Territorial drumming and calling: "wicka-wicka" calls and resonant drumming serve as long-distance signals during breeding season.
  • "Bounding" flight display: alternates quick wingbeats and brief glides; the white rump and bright underwings/wing-linings are conspicuous.
  • Courtship interactions: pair-bond behaviors include calling, mutual displays, and selecting/excavating a cavity site.
  • Urban adaptability: readily uses parks, suburbs, and forest edges; will drum on human-made structures to amplify sound.

Cultural Significance

The Northern Flicker (Colaptes auratus) is a familiar North American bird. It is Alabama's state bird, called Yellowhammer (yellow-shafted form). Native peoples used red-shafted feathers in ceremonial dress. Birders know it as a loud, ground-feeding "gateway" woodpecker.

Myths & Legends

"Yellowhammer" lore in the U.S. South: the flicker's yellow underwings inspired the nickname that became a long-standing cultural emblem in Alabama, including its adoption as the state bird.

Indigenous feather tradition (Pacific Northwest): red-shafted flicker feathers were historically prized and traded for adornment and ceremonial regalia, reflecting a cultural association with beauty, status, and display.

Woodpecker-as-omen in settler folklore: in some North American folk traditions, persistent drumming near homes was treated as a meaningful sign (often interpreted as a message, warning, or announcement), drawing on the bird's loud, repetitive "knocking."

Conservation Status

LC Least Concern

Widespread and abundant in the wild.

Population Decreasing

Protected Under

  • United States: Migratory Bird Treaty Act (MBTA) of 1918 (as amended)
  • Canada: Migratory Birds Convention Act, 1994
  • Mexico: General Wildlife Law (General Law of Wildlife) - general protection framework for native wildlife

Life Cycle

Birth 6 chicks
Lifespan 3 years

Lifespan

In the Wild
0–9.17 years

Reproduction

Mating System Monogamy
Social Structure Socially Monogamous
Breeding Pattern Seasonal
Fertilization Internal Fertilization
Birth Type Internal_fertilization

Northern Flickers are primarily seasonally monogamous cavity nesters: pairs form for one breeding season, both sexes excavate/defend the nest, and both incubate and feed young. Typical clutch is 5-8 eggs; incubation ~11-12 days, fledging ~24-28 days.

Behavior & Ecology

Social Flock Group: 2
Activity Diurnal, Matutinal, Vespertine
Diet Myrmecophage Ants (Formicidae; particularly Formica spp.)
Seasonal Migratory, Hibernates 746 mi

Temperament

Mostly solitary/pair-based; winter tolerance increases, but breeding territories strongly defended.
Generally wary but can be tolerant at feeders and lawns when disturbance is low.
Breeding season aggression includes chasing, bill-waving, and displacements around nest sites.
Dominance interactions occur at concentrated food (ant swarms) without stable long-term hierarchies.

Communication

Loud repeated 'wick-a-wick-a-wick' call used in advertisement and alarm Birds of the World; Wiebe & Moore
Long descending 'kleeer' / 'flicker' call commonly given in spring and during territory establishment.
Excited rattles/chitters during close-range conflicts or high arousal interactions.
Drumming/hammering bursts on resonant wood/metal for long-distance signaling; rate and substrate vary Picidae display
Visual displays: wing and tail spreading to flash underwing/undertail color; head-bobbing and bill-pointing.
Courtship/agonistic postures: 'fencing' with bills, mutual chasing flights, and cavity-entrance blocking.
Cavity choice and excavation serve as indirect social signals; competition with conspecifics and other cavity nesters.

Habitat

Deciduous Forest Coniferous Forest Forest Woodland Grassland Prairie Shrubland Mountain Alpine Meadow Urban Suburban Agricultural/Farmland Plantation +7
Biomes:
Temperate Forest Boreal Forest (Taiga) Temperate Grassland Temperate Rainforest Mediterranean Desert Hot Desert Cold Alpine +2
Terrain:
Mountainous Hilly Plateau Plains Valley Coastal Island Riverine +2
Elevation: Up to 11482 ft 11 in

Ecological Role

Ground-foraging ant specialist and cavity-nesting ecosystem engineer in North American woodlands, parks, and open habitats.

Suppresses/controls ant and other insect populations through heavy predation Creates and maintains nest cavities later used by secondary cavity nesters (e.g., swallows, bluebirds, small owls) and some small mammals Contributes to seed dispersal via fruit consumption (especially in fall/winter) Minor soil/leaf-litter disturbance and aeration from repeated ground probing and excavation of ant nests

Diet Details

Other Foods:
Wild fruits and berries Seeds and grains Nuts and mast

Human Interaction

Domestication Status

Wild

Northern Flicker, Colaptes auratus, is a wild North American woodpecker with no domestication history. It lives in parks, suburbs, and farm edges and sometimes uses chimneys or holes in walls but stays wild. It looks for food on the ground, mainly ants, makes cavities, can damage structures, and is legally protected.

Danger Level

Low
  • Minor injury risk (rare): defensive pecking/scratching if handled at nest or during rehabilitation.
  • Property-related risk (indirect): excavation/drumming on siding, eaves, chimney caps, or dead limbs can cause material damage or noise complaints (not a direct physical danger to humans).
  • Zoonotic risk is generally low; standard hygiene is recommended if handling any wild bird (e.g., during permitted rehab).

As a Pet

Not Suitable as Pet

Legality: Northern Flicker (Colaptes auratus) is illegal to keep as a pet in the U.S. without federal permits; it is a protected native migratory bird under the Migratory Bird Treaty Act. Canada has similar rules; rehab or education needs licensed permits.

Care Level: Expert Only

Purchase Cost:
Lifetime Cost:

Economic Value

Uses:
Ecosystem services (insect/ant predation; reduces some pest insect loads) Ecosystem engineering (cavity excavation benefiting other wildlife-secondary cavity nesters) Recreation/ecotourism (birdwatching value in parks/suburbs; educational value) Human-wildlife conflict costs (occasional property damage from excavation/drumming; nuisance issues in buildings)
Products:
  • No commercial products (species is not a managed production animal and is legally protected from harvest/commerce in most contexts).
  • Non-market benefits: pest control and wildlife-viewing value (indirect economic benefit).

Relationships

Related Species 11

Gilded Flicker Colaptes chrysoides Shared Genus
Campo Flicker Colaptes campestris Shared Genus
Green-barred Woodpecker Colaptes melanochloros Shared Genus
Golden-olive Woodpecker Colaptes rubiginosus Shared Genus
Spot-breasted Woodpecker Colaptes punctigula Shared Genus
Pileated Woodpecker
Pileated Woodpecker Dryocopus pileatus Shared Family
Red-bellied Woodpecker
Red-bellied Woodpecker Melanerpes carolinus Shared Family
Red-headed Woodpecker Melanerpes erythrocephalus Shared Family
Downy Woodpecker
Downy Woodpecker Dryobates pubescens Shared Family
Hairy Woodpecker
Hairy Woodpecker Dryobates villosus Shared Family
Yellow-bellied Sapsucker
Yellow-bellied Sapsucker Sphyrapicus varius Shared Family

Ecological Equivalents 4

Animals that fill a similar ecological role in their ecosystem

European Green Woodpecker Picus viridis Close niche analog: a large, ground-foraging woodpecker that eats mostly ants, similar to the Northern Flicker (Colaptes auratus), which often feeds on the ground and typically lives about nine years.
Eurasian Wryneck Jynx torquilla Ant-specialist picid that forages primarily on the ground and at ant nests. Functionally similar prey focus (Formicidae) to Northern Flicker, though much smaller and behaviorally distinct: wrynecks are weak excavators and use existing cavities.
Pileated Woodpecker
Pileated Woodpecker Dryocopus pileatus Overlaps in trophic role as a major predator of social insects (especially carpenter ants) and wood-boring larvae; differs by focusing more on dead-wood excavation rather than the flicker's higher proportion of ground feeding.
American Robin
American Robin Turdus migratorius Shares a ground-foraging insectivore niche in open habitats (lawns, fields, forest edges). Overlaps in prey types (invertebrates) and foraging substrate (ground), though the American robin is not a cavity-nesting woodpecker and relies more on visual soil probing.

You’ve probably seen the Northern Flicker (Colaptes auratus) if you live in North America, where they make their home, as they are one of the most unique and widespread woodpeckers in North America. Unlike most woodpeckers, these birds spend a lot of time on the ground, as they eat mostly ants and beetles. These bugs get dug up with the woodpecker’s slightly curved bill from the soil. These birds have a striking plumage, loud calls, and a habit of drumming on trees; it is no wonder that they are a favorite among birdwatchers.

5 Amazing Northern Flicker Facts

  • Ground-Dwelling Unlike most woodpeckers, the Northern Flicker finds most of their food on the ground, which largely consists of ants and beetles.
  • Two Color Variations — “Yellow-shafted” Flickers dominate the East, while “Red-shafted” Flickers are common in the West. They hybridize in overlap zones.
  • Sometimes Migrating — Some of these birds migrate, but others do not. It depends on the location. Throughout most of the U.S., these birds stay year-round.
  • Drumming Communication — Like other woodpeckers, these birds drum on trees to communicate. When you hear them drumming, they aren’t looking for food. They’re talking with other woodpeckers.
  • State Bird of Alabama — Known as the “Yellowhammer,” the Northern Flicker is Alabama’s official state bird.

Taxonomy and Subspecies

Northern Flickers are classified in the Colaptes genus. This genus contains 14 different species. The species name is Colaptes auratus. All woodpeckers belong to the larger Picidae family. This family contains all woodpeckers. These woodpeckers are found on every continent except Australia, New Zealand, Madagascar, and the polar regions, making it a wide-ranging family.

There are two main subspecies of Northern Flicker in North America:

Red-shafted Flicker (C. a. cafer): Found in the West, with reddish underwings and tail, gray face.
In the Great Plains, the two interbreed, creating hybrids.

Yellow-shafted Flicker (C. a. auratus): Found in the East, with yellow underwings and tail feathers, red nape crescent.

Size, Appearance, & Behavior

Adult Northern Flickers are brown with black bars on their wings. Northern Flickers measure around 11 to 14 inches (28 – 36 cm) and have a wingspan of 17 to 21 inches (43 – 54 cm). Their body mass can vary widely, though they are usually between 3 and 5.9 ounces (86 – 167 g).

In the northern areas, their body size is typically larger. You’ll find the largest birds in Alaska, for instance. The smallest specimens are on Grand Cayman Island.

These birds have black patches on their upper breasts. However, their lower breast and belly are beige with black spots. Males have black or red stripes at the base of their beaks (“mustache mark”).

Northern Flicker

Northern Flickers are identified by their beige bodies with black spots.

Northern Flickers are frequently seen hopping on the ground in search of ants and beetles. They use drumming and their loud calls (“wick-a-wick-a-wick”) as a means of communication. You can often find them perched conspicuously on trees, poles, or fence posts.

Sounds and Calls

These are very vocal birds. Their main call is a loud, repeated “wick-a-wick-a-wick.” Another sound is sharp “kleer” notes, and they also drum rapidly on resonant surfaces in order to mark territory.

Habitat and Range

You can find the Northern Flicker throughout the United States. In these areas, the bird stays year-round for the most part. However, in Texas and some other southern areas, these birds migrate to other areas to breed.

In Canada and Alaska, the birds stay during the spring and summer for breeding purposes. However, they migrate down to southern areas in the winter, as they cannot find food in these colder regions. These birds are also found in some Mexican regions. However, they usually migrate north for breeding in the summer and spring.

Northern Flickers can be found in a wide range of habitats, ranging from open woodlands, forest edges, and suburban yards to parks and orchards.

A female Northern Flicker takes flight, from a tree to a feeder.

A female Northern Flicker takes flight from a tree to a feeder.

Diet and Feeding Habits

Northern Flickers eat more bugs and insects than many other woodpeckers. Their favorites are ants (45% of their diet) and beetles, which they gather from the ground. However, they will also eat fruits and seeds — especially in the winter.

These woodpeckers commonly hammer the soil, where they find ants under the ground. Their tongues can dart out as many as 2 inches, which helps them find the ant larvae they love. Other bugs commonly eaten include flies, moths, and snails.

If you want to attract Northern Flickers to your backyard, use suet, mealworms, or fruit feeders.

Nesting and Reproduction

These woodpeckers breed throughout much of their range. Very few of their population migrate for breeding purposes. They breed in the cavities of dead or diseased tree trunks. However, they will also use posts and birdhouses if they are appropriate. Both genders help excavate the nests.

Nests are usually around 6-15 feet off the ground, but can be as tall as 100 feet high. Usually, the entrance hole is about 3 inches in diameter. However, the cavity is about 13 to 16 inches deep. The cavity is wider at the bottom to allow the adult to sit on the eggs. However, the cavity is bare for the most part, though wood chips are left in the hole.

Usually, their clutches are between six to eight eggs. Their eggs are among the largest woodpecker eggs in North America. Incubation takes about 11 to 12 days, and each sex incubates the eggs. The young are fed for about 15 to 28 days. After that, they leave the nest.

Northern flicker woodpecker bird, colaptes auratus, feeding her babies in a hole in a tree

A female Northern Flicker feeds its chicks.

Predators and Threats

Young nests are extremely vulnerable to predators. Squirrels, snakes, and raccoons can raid nests and eat eggs or baby birds.

Adult birds aren’t particularly vulnerable to predation. However, they are sometimes hunted by birds of prey. Cooper’s hawks and sharp-shinned hawks are the most common.

Habitat loss, competition for nest cavities (especially with European starlings), and window collisions are other threats that these birds face.

Lifespan

Northern Flickers typically live for 7 to 9 years in the wild. The oldest recorded bird reached just over 9 years.

Conservation Status

Northern Flickers are extremely widespread and commonly found throughout the United States, with an estimated breeding population of about 12 million. However, their numbers are technically decreasing by about 1.2% per year. They are listed by the IUCN as Least Concern.

To help with conservation efforts, one can preserve dead trees for nesting, reduce pesticide use, and provide nest boxes to counteract habitat loss.

Northern Flickers vs. Similar Birds

  • Red-bellied Woodpecker: Flickers are larger, browner, and more often on the ground.
  • Gilded Flicker: Gilded Flickers live in the desert Southwest, with golden wing linings.

Cultural Significance

The Northern Flicker is the state bird of Alabama, where it’s affectionately known as the “Yellowhammer.” The Northern Flicker is also featured in Native American stories as a messenger bird due to its loud calls and drumming.

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Sources

  1. Wikipedia / Accessed August 6, 2022
  2. Audubon / Accessed August 6, 2022
  3. All About Birds / Accessed August 6, 2022
Kristin Hitchcock

About the Author

Kristin Hitchcock

Kristin is a writer at A-Z Animals primarily covering dogs, cats, fish, and other pets. She has been an animal writer for seven years, writing for top publications on everything from chinchilla cancer to the rise of designer dogs. She currently lives in Tennessee with her cat, dogs, and two children. When she isn't writing about pets, she enjoys hiking and crocheting.

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Northern Flicker FAQs (Frequently Asked Questions)

Some of these birds do migrate, depending, on where they live. However, the majority of their population stays still.