| In the long struggle between human ingenuity and corvine sagacity, it is doubtful which has thus far obtained the upper hand. |
| This corvine do-it-yourselfer sometimes fashions the tool from the left edge of a leaf and sometimes from the right. |
| It now behoves us to consider the smaller members of the corvine clan. |
| Far up a hillside of poplar, a horde of crows were clamoring over some corvine scandal, perhaps. |
| Changes in the relationship between palmate and corvine antlers in moose in southeastern Norway. |
| There are few human references on such aspects of corvine psychology. |
