Many birds migrate to this area in spring to lay their eggs and rear their young before flying south to warmer areas for the winter.
(Many birds; migrate; to this area; T:in spring; to lay their eggs and rear their young before flying south to warmer areas for the winter) Context(Many birds migrate,List([0, 18))):(Many birds; migrate to this area to lay; their eggs) Context(Many birds migrate,List([0, 18))):(Many birds; migrate to this area to rear; T:before flying south to warmer areas for the winter)
Many birds migrate,List([0, 18)) Many birds migrate,List([0, 18))
Many birds Many birds Many birds
migrate migrate to this area to lay migrate to this area to rear
to this area T:in spring to lay their eggs and rear their young before flying south to warmer areas for the winter
their eggs
T:before flying south to warmer areas for the winter