Because Corvids have the largest cerebrums relative to body size of all birds sci entists believe them to be the smartest Corvids are so cial birds with many species living in flocks when not nesting The bold colorful blue jay breeds from south ern ID: 39148
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Wildlife Note59 and rooks in the Old World. Because Corvids have thejays cache many acorns under the leaf duff in forest clear-able throat; later, it will disgorge the food and cache oreat it. To open an acorn, the bird grips the nut in onecalls. Aggressive displaying appar-male is left as the females mate. Ornithologists believepaired, birds move about quietly, with the female givingIn May or June the female lays three to six eggs, paleolive or buff, spotted with brown or gray. Both sexes in- Wildlife Notes are available from theHarrisburg, PA 17110-9797www.pgc.state.pa.ustors. Yet they will allow other jays to land quite near thethe fledglings clamor-ter, giving an appearance of blue. Canada shift southward in September and October, andthe south. In some yearsperhaps when wild nuts, ormast, are scarceblue jays move in large numbers; ac-cipiters, particularly sharp-shinned and Coopers hawks,early May. The longevity record for the species is 16They thrive in areas with plentiful nut-bear-feed at bird feeders.the Northeast is healthy.The birds nest over vir-top 10 most widely distributed species when the Penn-Shore during the first two weeks of May.