 They feed on small animals, such as frogs and lizards, eggs and young of other birds, insects, and (particularly in winter) grains, nuts, and berries.They can be aggressive towards other birds, for example, they have been known to steal hoarded acorns from Acorn Woodpecker granary trees.Woodhouse's scrub jays, like many other corvids, exploit ephemeral surpluses by storing food in scattered caches within their territories.