Merlin Bird Graphic

Merlin Bird ID

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    Roseate Tern Identification

    Adult Description

    • Medium-sized tern.
    • White with black cap.
    • Tail long and deeply forked.
    • Wings white.
    • Bill black.

    Immature Description

    Juvenile with dark head, and scaly pattern across back. Immature resembles winter adult, but has darker wingtips.
    Relative Size

    Relative Sizebetween robin and crowbetween robin and crow
    Measurements
    • Both Sexes
      • Length: 13.0-16.1 in (33-41 cm)
      • Weight: 3.2-4.9 oz (90-140 g)