Complex sentence: This song is usually used when the bird is perched in open areas of the sub-canopy, being within suitable distance from other hummingbirds, though this song has also been recorded at feeders with multiple hummingbirds present.
Split into simpler sentences: This song is usually used when the bird is perched in open areas of the sub-canopy, being within suitable distance from other hummingbirds. The song has also been recorded at feeders with multiple hummingbirds present.