Heermann's Gull vs River Tern
Larus heermanni comparado con Sterna aurantia
Side-by-Side Comparison
| Atributo | Heermann's Gull | River Tern |
|---|---|---|
| Nombre científico | Larus heermanni | Sterna aurantia |
| Orden | Charadriiformes | Charadriiformes |
| Familia | Laridae | Laridae |
| Estado de conservación | Near Threatened | Vulnerable |
| Longitud | — | — |
| Envergadura | 67,2 cm (26.5 in) | 52,4 cm (20.6 in) |
| Peso | 448,26666666666665 g (15.81 oz) | 187,5 g (6.61 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 1-2 | 3-4 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservación
Near Threatened
Heermann's Gull
Vulnerable
River 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.
River Tern
River Tern, 38–43 cm, is a large freshwater tern of South and Southeast Asia, found along major rivers from Pakistan to Thailand. Yellow-orange bill, grey back, black cap in breeding plumage. Piscivore; plunge-dives into clear river water. Near Threatened due to river sand-mining and disturbance.