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Raptors are on the move. Now is a great time to get out and see the birds of prey as they migrate south for the winter ( for a list of 10 awesome places to watch the spectacle).

Seeing the birds on the wing is thrilling—particularly when there are large numbers of them—but it can also be frustrating to try and identify them at various angles and distances.

The challenge: Identify and age these common raptors. Some species appear more than once. Scroll down for a list of all of the species shown, and keep going for the answers.

HINT: Below are all of the species pictured.

American Kestrel

Bald Eagle

Broad-winged Hawk

Cooper’s Hawk

Merlin

Northern Harrier

Osprey

Peregrine Falcon

Red-shouldered Hawk

Red-tailed Hawk

Sharp-shinned Hawk

Turkey Vulture

SCROLL DOWN FOR ANSWERS

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1. Sharp-shinned Hawk, immature: Note short, stocky wings and body, long slim tail that is short for an accipiter, and small head. Plumage is difficult to see on distant birds, but 1st-years lack a rufous tone underneath.

2. Bald Eagle: Very distinct white heads and tails and dark overall. Very large with long, broad wings and yellow legs and bill.

3. American Kestrel: Note pale underside with orangey chest, black spots on belly two black “sideburns” on head, and blue upperwing coverts, orange tail with black tip.

4. Northern Harrier: Very distinct brilliant white underside with a black border on flight feathers. Note long, slim wings and tail, and small head.

5. American Kestrel: Note pale underside with orangey chest, black spots on belly two black “sideburns” on head, and blue upperwing coverts, orange tail with black tip.

6. : Blackish overall; reddish head can be difficult to see at a distance but white bill usually glows. Note long, broad, squared-off wings, broad tail, and modified dihedral when gliding.

7. Sharp-shinned Hawk, adult: Note short, stocky wings and body, long slim tail that is short for an accipiter, and small head.

8. , immature: Stocky pointed wings, large head, and short, narrow tail. Pale underside with dark streaking on sides of breast, and indistinct tail pattern with darker tip denote 1st-year. Some (like this bird) have streaks on belly similar to red-tailed.

9. , adult: Note somewhat stocky squared-off wings with translucent “commas” along the primaries. Adults have bold black and white bands on wings and tail and a warm reddish underside.

10. , immature: Note somewhat stocky squared-off wings with translucent “commas” along the primaries. Pale underside with buffy underwing coverts, and dark, evenly spaced streaking on body denote 1st-year.

11. Northern Harrier: Very distinct brilliant white underside with a black border on flight feathers. Note long, slim wings and tail, and small head.

12. , adult: Merlin has stockier, more sharply pointed wings, broader, shorter tail, and is “chesty” compared with kestrel. Juvenile and adult female are pale below with heavy, dark streaking, heavily “checkered” underwings, and distinct tail bands. 

13. Northern Harrier, immature: Pale underneath mostly brown flight feathers. Note long, narrow wings and tail (showing bands when spread). Head is small with owl-like facial disc.

14. : Quintessential broad-winged, short-tailed buteo shape. Plumage is pale underneath with dark patagial bars and bellyband. 

15. , immature: Pale underneath with dark streaks throughout underbody, and brown head denote 1st-year. Note long wings for an accipiter, large head, and long tail with white tip.

16. , immature: Pale underneath with dark streaks throughout underbody, and brown head denote 1st-year. Note long wings for an accipiter, large head, and long tail with white tip.

17. , adult: Pale underneath with heavily streaked body, heavily “checkered” underwings, and dark head. Note very long, pointed wings, heavy body, and broad tail and head. Wingtips are less sharply pointed in a full soar.

18. : Note the dark stripe through the eye, long, dark brown wings, white underside, and a black bill with sharp hook.

19. Sharp-shinned Hawk, adult: Note short, stocky wings and body, long slim tail that is short for an accipiter, and small head.