Starlings, introduced by homesick European colonists, compete with regional songbirds for food and nesting areas across the U.S.
(Starlings; introduced; by homesick European colonists) (Starlings, introduced by homesick European colonists; compete; with regional songbirds for food and nesting areas across the U.S.)
Starlings Starlings, introduced by homesick European colonists
introduced compete
by homesick European colonists
with regional songbirds for food and nesting areas across the U.S.