The young birds, once fully grown, learn to fly and fish with their parents, becoming independent after two months or so.
(The young birds; grown; T:once) (The young birds; to fly; ) (The young birds; becoming; independent; T:after two months or so) (The young birds; learn; to fly and fish with their parents; becoming independent after two months or so; T:once fully grown) Context(The young birds learn,List([0, 40))):(The young birds; learn to fly and fish with their parents to fish; )
The young birds learn,List([0, 40))
The young birds The young birds The young birds The young birds The young birds
grown to fly becoming learn learn to fly and fish with their parents to fish
T:once
independent T:after two months or so
to fly and fish with their parents becoming independent after two months or so T:once fully grown