Birds Active during the day

Boat-tailed Grackle

Quiscalus major

iNaturalist eBird Wikipedia

A bold and shimmering icon of the American coastline, the Boat-tailed Grackle is a master of the salt marsh. With its oversized tail and metallic song, this intelligent bird brings a touch of wild drama to any backyard camera.

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0 Habitats

Quick Identification

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Size

Length: 26–43 cm (10–17 in); Wingspan: 39–50 cm (15–20 in); Weight: 93–239 g (3.3–8.4 oz)

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Colors

Males are iridescent black with blue or purple sheen; females are significantly smaller and tawny-brown with paler underparts; eyes range from yellow to brown depending on the region.

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Key Features

Extraordinarily long V-shaped 'keeled' tail in males
Dramatic sexual dimorphism in size and color
Large, heavy black bill
Pointed wings and long legs

When You’ll See Them

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Activity pattern Active during the day

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Peak hours 7-11 AM, 3-6 PM

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Season Year-round

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Diet Omnivorous and opportunistic; feeds on insects, crustaceans (shrimp, crabs), snails, frogs, seeds, grain, and human food scraps.

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Habitat Salt marshes, coastal impoundments, mangroves, and nearby suburban parks or parking lots.

public Geographic range

Where Does the Boat-tailed Grackle Live?

Native to the North American continent, the Boat-tailed Grackle is a specialized resident of the Atlantic and Gulf Coasts of the United States. Its range forms a narrow ribbon along the shoreline from southern New Jersey down through the Florida peninsula and westward along the Gulf Coast into eastern Texas. Unlike many other grackle species, they are rarely found more than a few miles from saltwater or brackish environments.

Basemap © OpenStreetMap contributors

1 Countries

450K km² Range

Least Concern Conservation

US United States

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iNaturalist / Verified observation data

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Behavior

Boat-tailed Grackles are charismatic and highly social birds, often seen in noisy groups along the coast. Males are famous for their elaborate courtship displays, where they puff out their feathers, point their bills skyward, and vibrate their wings while emitting a complex series of harsh, metallic whistles and clucks. They are bold and intelligent, frequently adapting to human presence by scavenging in outdoor dining areas or parking lots.

These birds are remarkably gregarious, nesting in colonies often located in reeds or trees overhanging water to deter land-based predators. Within these colonies, a dominant male typically defends a harem of several females. Their interactions are loud and constant, making them one of the most prominent auditory fixtures of the coastal Southeast.

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Camera Tips

To capture the best footage of Boat-tailed Grackles, position your camera low to the ground or near the edge of a water feature. Because they are ground-foragers that frequent marshy edges, a camera angled slightly upward from a height of 1 to 2 feet will capture their impressive tail length and confident 'swagger.' If you are near the coast, placing a camera facing a shallow birdbath can result in spectacular bathing videos where their iridescence is fully on display.

Lighting is the biggest challenge when filming these birds. Their feathers are highly reflective; in harsh midday sun, they can look like a featureless black silhouette, or conversely, create 'hot spots' of white light. Aim your camera toward the west for morning captures or the east for late afternoon. This 'golden hour' light brings out the deep purples and blues in the male’s plumage that are otherwise invisible to the naked eye.

For trigger settings, use a high-sensitivity PIR (Passive Infrared) sensor setting. Grackles move with quick, jerky motions and are very fast flyers. A trigger speed of 0.3 seconds or faster is ideal to ensure you don't just catch a disappearing tail. If your camera supports it, use 'Video Mode' with a 20-second clip length to record their unique vocalizations and wing-fluttering displays, which are far more interesting than a static image.

Similar Species

Species that look similar or are commonly confused with Boat-tailed Grackle.

Great-tailed Grackle

Very similar but has a flatter head profile and is found further inland and westward; eye color is always yellow in Great-tailed adults.

Common Grackle

Much smaller with a shorter tail; found across the entire eastern US, including far inland areas where Boat-tails are absent.

Fish Crow

While also black and coastal, it is larger, lacks the iridescent shimmer, and has a much thicker, crow-like beak and square tail.

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Frequently Asked Questions

Boat-tailed Grackles are diurnal, meaning they are active during the day. You will see the highest levels of activity in the early morning shortly after sunrise and again in the late afternoon as they gather in large groups before heading to their communal roosts.

If you live near the coast, you can attract them with large platform feeders containing cracked corn, sunflower seeds, or suet. However, providing a reliable water source like a large, shallow birdbath is often the most effective way to draw them in for a camera setup.

They are highly opportunistic omnivores. In the wild, they hunt for small crabs, shrimp, and aquatic insects in the marsh. In suburban settings, they eat seeds, grain, fruit, and are well-known for scavenging human snacks in parks and outdoor cafes.

Yes, provided the suburban area is close to the coast. They have adapted remarkably well to human environments, frequently nesting in ornamental trees in shopping centers or foraging in coastal residential gardens.

Boat-tailed Grackles are significantly larger with much longer, more deeply curved tails. While Common Grackles are found throughout the interior of North America, Boat-tailed Grackles are strictly coastal residents. Additionally, male Boat-tailed Grackles have a much more rounded head shape compared to the flat-headed look of the Common Grackle.

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