Heermann's Gull vs Forster's Tern
Larus heermanni comparado con Sterna forsteri
Side-by-Side Comparison
| Atributo | Heermann's Gull | Forster's Tern |
|---|---|---|
| Nombre científico | Larus heermanni | Sterna forsteri |
| Orden | Charadriiformes | Charadriiformes |
| Familia | Laridae | Laridae |
| Estado de conservación | Near Threatened | Least Concern |
| Longitud | — | — |
| Envergadura | 67,2 cm (26.5 in) | 50,5 cm (19.9 in) |
| Peso | 448,26666666666665 g (15.81 oz) | 151,25 g (5.34 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 1-2 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservación
Near Threatened
Heermann's Gull
Least Concern
Forster's 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.
Forster's Tern
Forster's Tern, 33–36 cm, breeds in interior North American marshes and winters along both US coasts and into Mexico. Distinctive frosted silver upperparts and orange-based bill. In non-breeding plumage, shows a black eye-mask. Piscivore; hovers and plunge-dives in coastal bays and lagoons.