Napa County has cleared the way for more development in its airport industrial area, though the state continues mentioning Swainson’s hawk concerns that others say are exaggerated. The county ...

The caterpillars are drawing large numbers of migrating Swainson’s hawks to the area ... passing through until around mid-April. Volunteer hawk counters have been out in the mornings since ...

Swainson’s hawks have a wing span of 47 to 54 inches, have long, pointed narrow wings with trailing edges of “black in back.” The Hawk Watch group gets support from the state park ...