Violet-green Swallow vs Northern Rough-winged Swallow

In short

The Violet-green Swallow and Northern Rough-winged Swallow can be distinguished primarily by their plumage and structure. The Violet-green Swallow is more colorful with distinctive green and violet hues, while the Northern Rough-winged Swallow is more uniformly brown. Both species share similar habitats and behaviors, but their plumage is a key differentiator.

Identification tips

1. Look for the iridescent green and violet plumage of the Violet-green Swallow, especially in good light. 2. Check for the white patches on the rump of the Violet-green Swallow, which are absent in the Northern Rough-winged Swallow. 3. Note the uniform brown coloration of the Northern Rough-winged Swallow, which lacks any bright iridescence.

Plumage

The Violet-green Swallow has a striking iridescent green back and violet wings, with white patches on the sides of its rump. In contrast, the Northern Rough-winged Swallow is a more uniform brown above with a slightly paler throat and underparts, lacking the vibrant colors of the Violet-green Swallow.