When Do Hummingbirds Nest
When do hummingbirds nest Broad-billed hummingbirds will build their loosely constructed nests on clotheslines. Broad-tailed hummingbirds often returns to same nesting site year after year. Calliope hummingbirds will build a series of two, three or even four nests on top of one another, often attached to a conifer cone.