Red Shouldered Hawk - Whether wheeling over a swamp forest or whistling plaintively from a riverine park, a Red-shouldered Hawk is typically a sign of tall woods and water. It’s one of our most distinctively marked common hawks, with barred reddish-peachy underparts and a strongly banded tail. In flight, translucent crescents near the wingtips help to identify the species at a distance. These forest hawks hunt prey ranging from mice to frogs and snakes. ...
The Red-tailed Hawk (Buteo jamaicensis) is a bird of prey that breeds throughout most of North America, from western Alaska and northern Canada to as far south as Panama and the West Indies, and is one of the most common hawks in North America. (Photo Dave Van de Laar)
Hummingbirds use hawks as their bodyguards. They often live under hawk nests to seek protection from jays, one of the biggest threats to their babies. Hawks like to stalk their prey from above, so jays avoid foraging below them, which creates a hummingbird safety zone. Source
"Out You Come" by Bill Doherty on 500px - Osprey (Pandion haliaetus) sometimes known as the Sea Hawk, Fish Eagle, or Fish Hawk - Winning image of the Best Shots photographic competition 2013, Animal section