American Crow vs Tamaulipas Crow

In short

The American Crow (Corvus brachyrhynchos) and Tamaulipas Crow (Corvus imparatus) are both entirely black crows, but they can be distinguished by size, habitat preference, and vocalizations. The American Crow is larger and more widespread across North America, while the Tamaulipas Crow is smaller and primarily found in northeastern Mexico.

Identification tips

1. Size: Look for the larger size of the American Crow. 2. Gloss: Check for the purple, blue, and green gloss on the Tamaulipas Crow's plumage. 3. Habitat: Note the habitat; Tamaulipas Crow is found in lower elevations and near rubbish dumps. 4. Vocalizations: Listen for the lower-pitched calls of the Tamaulipas Crow.

Size

The American Crow is larger than the Tamaulipas Crow.

Plumage

Both species have entirely black plumage, but the Tamaulipas Crow's feathers have a noticeable purple, blue, and green gloss.

Behaviour

American Crows exhibit complex social structures, often forming large communal roosts outside of the breeding season. Tamaulipas Crows are less documented in this regard.

Habitat

American Crows are adaptable, found in a variety of habitats including suburban areas and city parks. Tamaulipas Crows prefer scrubby farmland, open woodlands, and areas near rubbish dumps, generally below 300 meters.

Voice

The Tamaulipas Crow has lower-pitched vocalizations compared to the American Crow.