Scientific Name: Notiochelidon cyanoleuca
Population Estimate: 5-50M
Range / Habitat: Open areas and forest edges from lowlands to elevations of 4000M Breeds from Nicaragua south throughout South America, except in the deserts and Amazon Basin.
Field Notes: Swallow with shimmery blue head and back, black wings and undertail coverts, white throat, chest and belly. Tree Swallow has white undertail coverts. Mangrove Swallow more green with white undertail coverts and white rump.
Personal Notes: Seen at Monteverde Lodge, Costa Rica