Cowbirds are obligate brood parasites &nbsp that lay their eggs in the nests other birds and then fly away, leaving their hosts to hatch and raise their young.
(Cowbirds; are; obligate brood parasites &nbsp that lay their eggs in the nests other birds) (obligate brood parasites &nbsp; lay; their eggs; in the nests other birds)
Cowbirds obligate brood parasites &nbsp
are lay
obligate brood parasites &nbsp that lay their eggs in the nests other birds
their eggs in the nests other birds