| His research included classic works on quail, bushtits, Mexican and South American thrushes, New World jays, and others. |
| Crows belong to the family of corvids, which also includes rooks, jays, ravens and jackdaws. |
| In learning to escape the vigilance of crows, birds also avoid the attention of some other predators, such as jays and magpies. |
| Put bluntly, these birds, which include crows, ravens, magpies, and jays, can be real jerks. |
| Well-adapted to urban environments, grackles, crows, ravens, blackbirds, and jays thrive everywhere we do. |
| A number of jays live in family groups, but sharing of cached food has not been demonstrated. |
