Birds diurnal

Common Grackle

Quiscalus quiscula

The Common Grackle is the iridescent jewel of the backyard, blending prehistoric looks with high-level intelligence. With their golden eyes and shimmering feathers, these resourceful birds turn every foraging trip into a theatrical display.

11 Sightings

1 Habitats

Quick Identification

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Size

Length: 11-13 in (28-34 cm); Wingspan: 14-18 in (36-46 cm); Weight: 2.6-5.0 oz (74-142 g)

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Colors

Adult males are iridescent black with a glossy purple, blue, or green sheen on the head; females are smaller and a more uniform dusky brown-black. Both sexes feature striking pale yellow eyes.

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Key Features

Piercing pale yellow eyes that stand out against dark plumage
Long, keel-shaped tail that tapers and looks V-shaped in flight
Iridescent 'oil-slick' feathers on the head and neck
Stout, slightly downward-curved black bill

When You’ll See Them

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Activity pattern diurnal

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Peak hours 6-10 AM, 3-6 PM

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Season Year-round (though many migrate south from northernmost regions in late fall)

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Diet Omnivorous and opportunistic; they eat seeds, agricultural grains, berries, insects, spiders, frogs, and even small fish or mice. They are frequent visitors to bird feeders for suet and sunflower seeds.

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Habitat Widespread in open and semi-open areas, including suburban yards, city parks, agricultural fields, marshes, and forest edges.

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Behavior

Common Grackles are highly social and remarkably intelligent birds. You will often see them marching across lawns with a purposeful, head-bobbing gait as they forage for insects. They are famous for their 'anting' behavior, where they allow ants to crawl on their feathers or rub them on themselves, using the ants' formic acid as a natural pesticide against parasites. They are also known for their problem-solving skills, such as soaking hard pieces of bread or dog food in birdbaths to soften them before eating.

These birds are incredibly vocal, producing a signature call that sounds like a creaky rusty hinge. In the backyard, they are assertive and can be quite dominant at feeders, often arriving in small family groups or larger flocks. During the winter, they join massive mixed-species roosts that can include millions of birds, creating a spectacular, if noisy, natural phenomenon. While some consider them pests, their social dynamics and resourceful nature make them one of the most interesting species to observe on a backyard camera.

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Camera Tips

To capture the best footage of Common Grackles, focus your camera on the ground or a low platform feeder. Unlike many songbirds that prefer hanging perches, grackles are ground-foraging specialists. Positioning your camera 12 to 18 inches off the ground near a patch of short grass or a tray feeder will put you right at eye level with their striking yellow eyes. If you use a motion-activated camera, set the sensitivity to high, as their quick, jerky head movements can sometimes be missed by slower sensors.

Lighting is the most critical factor for capturing this species. Because their feathers are iridescent rather than pigmented, they can look like plain black birds in deep shade or harsh midday sun. For the best results, position your camera so that the early morning or late afternoon sun is behind the lens. This 'golden hour' light hits the feathers at the perfect angle to reveal the shimmering violets, blues, and bronzes that make the grackle so beautiful. Avoid backlighting, which will turn the bird into a featureless silhouette.

A birdbath is perhaps the best 'lure' for a grackle. They are obsessive bathers and frequently use water to prep their food. Placing a camera near a water feature will allow you to capture high-action 'splash' shots or the fascinating behavior of them dunking dry food. For bait, cracked corn or black oil sunflower seeds scattered directly on the soil are irresistible to them. If you are using video, set your clip length to at least 20 seconds; this allows enough time to record their complex social displays, such as the 'puff-up' posture where males inflate their feathers to look larger.

During the spring nesting season, look for them in evergreen trees. If you can safely mount a camera near a coniferous tree at a height of 10-20 feet, you might capture their nesting activity. In the autumn, keep your camera ready for large flocks. Using a wide-angle lens setting during the fall migration can capture the 'river of birds' effect as hundreds of grackles descend on a single yard to forage before moving on.

Similar Species

Species that look similar or are commonly confused with Common Grackle.

European Starling

Much smaller with a short, stubby tail and a bright yellow bill during the breeding season.

Brewer's Blackbird

Smaller with a shorter, more proportional tail and a less heavy bill than the grackle.

Boat-tailed Grackle

Much larger with an even longer tail; found primarily in coastal salt marshes rather than inland suburbs.

Frequently Asked Questions

Common Grackles are most active during the early morning and late afternoon. They typically leave their roosts at sunrise to forage and return just before sunset, making these the best times to catch them on camera.

To attract Common Grackles, offer cracked corn, sunflower seeds, or suet on platform feeders or scattered on the ground. Providing a sturdy birdbath is also a major draw, as they love to wash their food and bathe frequently.

Common Grackles are omnivores with a diverse diet. They eat insects like grasshoppers and beetles, as well as seeds, grains, and fruits. They are also known to eat small vertebrates like frogs and occasionally raid other birds' nests.

Yes, Common Grackles are extremely common in suburban areas. They thrive in man-made landscapes like lawns, parks, and gardens, which provide the perfect mix of open foraging ground and nearby trees for nesting.

Common Grackles are much larger than European Starlings and have significantly longer tails. While starlings have short, pointed tails and yellow bills in summer, grackles have heavy black bills and long, keel-shaped tails.

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