The first migrating birds to arrive in March are the common starling, rook and northern lapwing;
(The first migrating birds; to arrive; T:in March) (The first migrating birds to arrive in March; are; the common starling, rook and northern lapwing)
The first migrating birds The first migrating birds to arrive in March
to arrive are
T:in March
the common starling, rook and northern lapwing