The highly nutritious pinyon nuts and juniper berries are eaten by many species of birds and animals that serve as seed dispersal agents.
(The highly nutritious pinyon nuts and juniper berries; are eaten; by many species of birds and animals) (birds and animals; serve; as seed dispersal agents)
The highly nutritious pinyon nuts and juniper berries birds and animals
are eaten serve
by many species of birds and animals
as seed dispersal agents