| The corvids of North America consist of one species of jackdaw, four crows, two ravens, one nutcracker, two magpies, and ten species of jays. |
| Disturbance after eggs are laid provides opportunities for predation by carrion crows, jays, kestrels, magpies, foxes and mink. |
| His research included classic works on quail, bushtits, Mexican and South American thrushes, New World jays, and others. |
| West Nile virus infects many different bird species, but it appears to be lethal to crows, jays, and hawks. |
| A number of jays live in family groups, but sharing of cached food has not been demonstrated. |
| Blue jays prefer living in evergreen forests, but they can also be found in farmlands, groves, and suburbs. |
