Photograph by Rich Reid
The most common hawk in North America, red-tails can often be seen atop utility poles and other lofty perches, on the lookout for potential prey.
Great Horned Owl
Photograph by Joel Sartore
The most common owl in North and South America, the great horned owl has adapted to a wide variety of habitats and climates.
Photograph by Michael Melford
Once an endangered species in the United States, North American peregrine falcon populations have made a great comeback due to bans on usage of DDT and similar pesticides.
Steller's Sea Eagle
Photograph by Tim Laman
Holding its prey down with powerful talons, a Steller's sea eagle displays its wings, which can have a span of over 6 feet (2 meters).
Photograph by Norbert Rosing
The snowy owl's beautiful white plumage helps to hide it in its Arctic habitat. Only the males are completely white. Chicks are dark and spotted, while the females are white with spots on their wings.
Photograph by George F. Herben
This small, secretive owl is considered one of the rarest of owls. It is entirely nocturnal, spending the day concealed in dense spruce or a hollow tree. It preys mainly on rodents.
Photograph by Klaus Nigge
The burrowing owl makes its home in the treeless, shortgrass country of western North America, from southern Canada to Mexico. It depends mainly on the abandoned burrows of prairie dogs for nesting sites and shelter.
Cuban Screech Owl
Photograph by Steve Winter
The Cuban screech owl is endemic to Cuba, where it is found in wooded areas, often nesting in abandoned woodpecker holes.
Northern Spotted Owl
Photograph by James P. Blair
To breed and raise its young, the northern spotted owl requires up to 100 acres (40.5 hectares) of old-growth forest.
Scientists estimate only about 3,000 wild tigers are left in the entire world. Meet the subspecies and see what threats each is facing.