The Four Keys to ID
- Size & Shape
A medium-sized ternlike seabird with very long wings and an outsized bill in which the lower mandible is much longer than the upper.
Relative Size
Larger than a Laughing Gull, slightly smaller than a Royal Tern (but with longer wings).
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- Both Sexes
- Length: 15.8-19.7 in (40-50 cm)
- Weight: 9.3-12.9 oz (265-365 g)
- Wingspan: 42.9-45.3 in (109-115 cm)
- Color Pattern
- Behavior
- Habitat
Regional Differences
Black Skimmers in North America have a dark tail with white outer feathers. In parts of Brazil through Argentina, the subspecies intercedens has a brown tail.