Death of birds during the winter is a normal part of the life cycle of snow geese, and as many as 10-20% of all birds may die, so perhaps 1-2 of the 10 birds we marked.
(Death of birds during the winter; is; a normal part of the life cycle of snow geese) (as many as 10-20% of all birds; may die; ) (the 10 birds; marked; we)
Death of birds during the winter as many as 10-20% of all birds the 10 birds
is may die marked
a normal part of the life cycle of snow geese
we