American Black Vulture vs Purple Martin

In short

The American Black Vulture and Purple Martin are distinct in both appearance and behavior. The Black Vulture is a large, dark scavenger often seen soaring in search of carrion, while the Purple Martin is a smaller, agile swallow that catches insects in flight.

Identification tips

1. Size and Shape: Look for the large size and broad wings of the Black Vulture compared to the smaller, more streamlined Purple Martin. 2. Head and Bill: The Black Vulture has a bare head, while the Purple Martin has a fully feathered head. 3. Flight Pattern: Black Vultures soar with wings held flat, while Purple Martins exhibit rapid, agile flight. 4. Habitat: Note the environment; vultures are often near carrion, while martins are near water and open areas.

Size

The American Black Vulture is much larger than the Purple Martin, with a wingspan of about 1.3–1.5 meters compared to the Purple Martin's 0.4 meters.

Plumage

The Black Vulture is uniformly black with a bare, grayish-black head, whereas the Purple Martin has glossy, dark blue-black plumage in males and duller, brownish tones in females and juveniles.

Behaviour

Black Vultures are often seen soaring high in the sky or gathered around carcasses, while Purple Martins are swift fliers that catch insects mid-air. Black Vultures are communal and often follow Turkey Vultures to food, whereas Purple Martins are more solitary or found in smaller groups.

Habitat

Black Vultures are found in open areas, often near roads or in communal roosts, while Purple Martins prefer open areas near water and are often associated with human structures for nesting.

Voice

Black Vultures are generally silent but may make grunting or hissing sounds, whereas Purple Martins have a variety of musical chattering calls.