- Nearly 95% of California’s remaining Swainson’s hawk population is in the Central Valley.
- Swainson’s hawks are migratory. In the winter, they migrate as far as 14,000 miles from breeding habitat in California to southern Brazil or Argentina.
- Groups of soaring or migratory Swainson’s hawks are referred to as “kettles.” Groups of hunting Swainson’s hawks are referred to as “boils.”
- The oldest wild Swainson’s hawk on record is 24 years old.