Bobolinks begin nesting around mid-May in New York in large, open grasslands or former hayfields containing a mixture of medium-tall grasses and forbs with few shrubs or trees. They prefer fields with roughly 1 inch of thatch on the ground.

What time of year do bobolinks nest?

Bobolinks are adversely affected by mowing as they nest on the ground, forming their homes from twigs and grass. They arrive in New England to breed in mid-late May, with young hatching in mid-June. Hatching occurs at the same time when many farmers harvest their first cut of hay, resulting in nest failures.

Where does a bobolink nest?

Females construct the nests, which are always built on the ground, usually at the base of large forbs. Each clutch typically contains 3-7 eggs. The nestlings are fed by both parents for 10-11 days and fledglings are fed for at least one week. The Bobolink has an average life span of five years.