Arctic Terns are slender terns with long, angular wings and pointed wingtips. They have a small round head with a steep forehead and extremely short legs. Breeding adults have a deeply forked tail.
Relative Size
Larger than a Least Tern, smaller than a Caspian Tern.
![Relative Size](/guide/images/size/scale.png)
![between robin and crow](/guide/images/size/btwn-robin-crow.png)
Measurements- Both Sexes
- Length: 11.0-15.3 in (28-39 cm)
- Weight: 3.2-4.2 oz (90-120 g)
- Wingspan: 25.6-29.5 in (65-75 cm)
- Length: 11.0-15.3 in (28-39 cm)
- Weight: 3.2-4.2 oz (90-120 g)
- Wingspan: 25.6-29.5 in (65-75 cm)