Size: Ferruginous Hawks range from 22-26 inches long, have a 4-5 foot wingspan, and weigh 2-4 1/2 pounds. Males are smaller than females by as much as one-third.
Diet: These raptors prey primarily on mammals such as rabbits, squirrels, rodents, and gophers. They are also known to eat birds, reptiles, amphibians, and insects.
Lifespan: These hawks can live for 20 years in the wild.
Reproduction: Female Ferruginous Hawks lay 3-4 eggs. Their nests, which are made of sticks, are constructed in trees, bushes, on cliff ledges, on man-made platforms, or sometimes on the ground. Incubation is done primarily by the female and lasts approximately 33 days. The young fledge around 6 weeks of age and are mature at 2 years.
Did You Know?
- This is the largest and heaviest of the buteo hawks in North America, and some experts consider these birds to be small eagles.
- Ferruginous’ scientific name comes from the Latin words buteo (meaning hawk) and regalis (meaning royal or regal, a reference to this bird’s large size).
- The common name comes from the Latin word ferrugo (meaning rust, referring to the color of the adult plumage).
- Ferruginous Hawks have also been called Eagle Hawk, Gopher Hawk, Ferruginous Rough-legged Hawk, and Squirrel Hawk.