Violet-green Swallow

The Violet-green Swallow is a small western swallow with green and violet upperparts and a white face and belly. White patches extend onto the sides of the rump and help separate it from the Tree Swallow. It catches flying insects, often high above forests, lakes and open slopes. The species nests in tree cavities, nest boxes and cliff crevices. It returns north early in spring and can be affected by cold periods with few flying insects.