Skip to Content

Caspian Tern Identification

Looking for ID Help?

Get Instant ID help for 650+ North American birds.

Try Merlin Bird ID

Adult Description

  • Large, gull-like tern.
  • Black cap.
  • Body white.
  • Bill large, thick, and brilliant red with dark tip.

Immature Description

Juvenile has blackish crown, black edging to back feathers.
Relative Size

Relative Sizecrow sizedcrow-sized
  • Both Sexes
    • Length: 18.5-21.3 in (47-54 cm)
    • Weight: 18.7-27.6 oz (530-782 g)
    • Wingspan: 49.6-50.4 in (126-128 cm)

Need Bird ID Help? Try Merlin

Close Merlin