Heermann's Gull vs South American Tern
Larus heermanni comparado con Sterna hirundinacea
Side-by-Side Comparison
| Atributo | Heermann's Gull | South American Tern |
|---|---|---|
| Nombre científico | Larus heermanni | Sterna hirundinacea |
| Orden | Charadriiformes | Charadriiformes |
| Familia | Laridae | Laridae |
| Estado de conservación | Near Threatened | Least Concern |
| Longitud | — | — |
| Envergadura | 67,2 cm (26.5 in) | 59,3 cm (23.3 in) |
| Peso | 448,26666666666665 g (15.81 oz) | 190,25 g (6.71 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 1-2 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservación
Near Threatened
Heermann's Gull
Least Concern
South American Tern
About These Birds
Heermann's Gull
La gaviota de Heermann es una gaviota inconfundible del Pacífico mexicano y norteamericano, con cabeza blanca en verano y pico rojo.
South American Tern
South American Tern, 40–44 cm, is the largest South American tern, breeding from Peru around Cape Horn to southeastern Brazil. Red bill, grey mantle, black cap. Pelagic and coastal piscivore; strong plunge-diver. Movements poorly known; some populations may migrate north along both coasts.