A small and delicately built seabird with a thin, pointed bill; long, pointed wings; a shallowly forked tail; and short legs.
Relative Size
Larger than a Least Tern, smaller than a Common Tern.
![Relative Size](/guide/images/size/scale.png)
![between robin and crow](/guide/images/size/btwn-robin-crow.png)
Measurements- Both Sexes
- Length: 9.1-14.2 in (23-36 cm)
- Weight: 1.8-2.1 oz (50-60 g)
- Wingspan: 22.4-23.6 in (57-60 cm)
- Length: 9.1-14.2 in (23-36 cm)
- Weight: 1.8-2.1 oz (50-60 g)
- Wingspan: 22.4-23.6 in (57-60 cm)