Birds diurnal

Fish Crow

Corvus ossifragus

The sleek, nasal-voiced cousin of the American Crow, the Fish Crow is a master of the marsh and the suburban landscape alike. Discover how to identify this glossy-winged trickster in your own backyard.

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Quick Identification

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Size

Length: 36–41 cm (14–16 in); Wingspan: 76–84 cm (30–33 in); Weight: 195–330 g (6.9–11.6 oz)

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Colors

Entirely black plumage with a glossy blue or greenish sheen; black legs, feet, and bill. No significant difference between sexes.

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Key Features

Slightly smaller and more slender than the American Crow
Nasal, 'uh-uh' or 'cah' call
Glossy violet-blue or green sheen in sunlight
Slightly more rounded wingtips and smaller bill

When You’ll See Them

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Activity pattern diurnal

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Peak hours 6-10 AM and 3-6 PM

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Season Year-round; most vocal during spring breeding (March-June)

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Diet Omnivorous and opportunistic; eats fish, crabs, shrimp, insects, small reptiles, eggs, fruit, grain, and human scraps.

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Habitat Coastal marshes, estuaries, riverbanks, lakes, and increasingly common in suburban areas with nearby water.

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Behavior

The Fish Crow is a highly intelligent and social bird, often found in larger groups than its inland cousins. While they were once strictly residents of coastal marshes and riverbanks, they have become savvy urbanites, frequently patrolling suburban neighborhoods and parking lots for easy meals. They are known for their playful nature, often seen engaging in aerial acrobatics or investigating new objects in their environment.

One of their most defining behaviors is their vocalization. Unlike the deep 'caw' of the American Crow, the Fish Crow sounds like it has a cold, producing a nasal, two-syllable 'uh-huh.' They are extremely communicative with their family units and will work together to mob predators like hawks or owls that enter their territory. In the winter, they may join massive communal roosts, sometimes numbering in the thousands.

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Camera Tips

To capture the Fish Crow on an AI camera, placement near water is your best bet. If you have a backyard pond or a large birdbath, position the camera at a low angle (about 1-2 feet off the ground) facing the water's edge. Fish Crows are drawn to water for both drinking and bathing, and they often bring food to the water to wash it or soften it up. A wide-angle setting is ideal to capture their social interactions, as they rarely travel alone.

Baiting is highly effective for these clever birds. While they are scavengers, they are particularly fond of high-protein snacks like unsalted peanuts in the shell, suet, or even dried mealworms. Scatter the bait in an open, flat area to allow the camera's motion sensor to trigger as they land. Because they are cautious, try mounting your camera on a fence post or a tree looking down at the feeding station from 5-8 feet away to avoid spooking them with a close-up lens.

Lighting is crucial for identifying Fish Crows on camera. To see that signature blue or green glossy sheen that separates them from American Crows, ensure your camera is positioned to catch the morning or late afternoon sun. Mid-day sun can wash out their features, making them look like a flat black silhouette. If your camera records audio, this is the 'gold standard' for identification—set your video length to at least 15-20 seconds to increase the chances of catching their distinct nasal 'uh-huh' call.

During the winter months, Fish Crows are even more likely to visit backyard stations as natural food sources in wetlands become scarce. Keep your camera active during cold snaps when they are most desperate for calories. Look for 'caching' behavior, where the crow will hide food in the grass or under leaves to eat later; this provides excellent, high-engagement footage for your collection.

Similar Species

Species that look similar or are commonly confused with Fish Crow.

American Crow

The American Crow is larger with a deeper 'caw' vocalization and lacks the nasal quality of the Fish Crow's call.

Common Raven

Ravens are much larger with a wedge-shaped tail and a thick, heavy bill, and are usually found in more wild, upland habitats.

Frequently Asked Questions

Fish Crows are strictly diurnal, meaning they are active during daylight hours. You will find them most active in the early morning shortly after sunrise as they begin foraging, and again in the late afternoon before they return to their communal roosts for the evening.

Attract Fish Crows by providing a reliable water source like a large birdbath and offering treats like unsalted peanuts, suet, or leftovers. They are social birds, so providing a flat, open space where they feel safe from predators will encourage them to land and stay for a while.

As opportunistic omnivores, Fish Crows eat almost anything. Their natural diet includes small aquatic life like crabs and fish, but they also eat insects, fruit, and grain. In suburban settings, they frequently scavenge for human food scraps and will visit bird feeders for suet or large seeds.

Yes, Fish Crows have expanded significantly into suburban areas, especially along the US Atlantic and Gulf coasts and up major river valleys. As long as there is a source of water and trees for nesting nearby, they thrive in residential environments.

The most reliable way is the voice; Fish Crows have a nasal 'uh-huh' or 'cah' while American Crows have a clear, deep 'caw.' Visually, Fish Crows are slightly smaller, have more pointed wings, and often show a more vibrant blue-violet gloss on their feathers compared to the American Crow's duller black.

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