If the bird were to touch another wire while sitting on one, a circuit would be formed and electricity would pass through the bird, giving it an electric shock.
(the bird; were; to touch another wire while sitting on one) (the bird; to touch; another wire; T:while sitting on one) (a circuit; would be formed; ) (electricity; would pass; through the bird)
the bird the bird a circuit electricity
were to touch would be formed would pass
to touch another wire while sitting on one
another wire T:while sitting on one
through the bird