American Herring Gull vs Common Tern
Two species side by side. The larger value in each row is highlighted.
vs
Size

American Herring Gull
0.66 m
Human
1.75 m

Common Tern
0.39 m
| American Herring Gull | Common Tern | |
|---|---|---|
| Weight | 0.8β1.5 kg | 0.11β0.14 kg |
| Length | 55β66 cm | 31β39 cm |
| Wingspan | 1.37β1.58 m | 77β98 cm |
| Top Speed | 65 km/h | 50 km/h |
| Lifespan | 10β30 yrs | 10β33 yrs |
| Incubation | 28 days | 23 days |
| Offspring | 2β3 | 2β3 |
| Diet | Omnivore | Omnivore |
| Conservation Status | Least Concern | Least Concern |
| Activity Pattern | Diurnal | Diurnal |
| Migration | Partial Migrant | Migratory |
| Habitat | Coast, Ocean, Lake, River, Wetland, Urban, Rocky Cliffs | Coast, Wetland, Lake, River, Ocean, Rocky Cliffs |
| Regions | Nordics, Europe, North America, Antarctica | Nordics, Europe, Africa, Asia, North America, Antarctica |
| Family | Laridae | Laridae |
| Order | Charadriiformes | Charadriiformes |