Do hawks prey on rattlesnakes for food?

Yes, they do. And National Geographic caught it on tape. Red-Tailed Hawk vs. Rattler I also know that Harris Hawks and Crested Caracaras are known to kill and eat rattlesnakes. read more

I don't believe so, because rattlesnakes are a bit too dangerous to hawks (they'd bite the hawk unless it was lucky enough to catch the snake right near its head). read more

Hawks also consume other reptiles. For example, red-tailed hawks living in the Caribbean hunt small lizards. Other common prey include rodents, fish, squirrels, frogs, small birds and insects. Hawks prefer small, defenseless prey, but starving specimens will attack small dogs, cats and jackrabbits. read more