Heermann's Gull vs Greater Crested Tern
Larus heermanni comparado con Thalasseus bergii
Side-by-Side Comparison
| Atributo | Heermann's Gull | Greater Crested Tern |
|---|---|---|
| Nombre científico | Larus heermanni | Thalasseus bergii |
| Orden | Charadriiformes | Charadriiformes |
| Familia | Laridae | Laridae |
| Estado de conservación | Near Threatened | Least Concern |
| Longitud | — | — |
| Envergadura | 67,2 cm (26.5 in) | 71,6 cm (28.2 in) |
| Peso | 448,26666666666665 g (15.81 oz) | 367,75 g (12.97 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 1-2 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservación
Near Threatened
Heermann's Gull
Least Concern
Greater Crested 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.
Greater Crested Tern
Greater Crested Tern, 43–48 cm, is the largest crested tern of the Indo-Pacific, breeding from South Africa to Japan and Australia. Yellow-green bill, prominent black crest, grey back. Colonial breeder on sand islands; plunge-dives for fish. Partially migratory; disperses across Indian and Pacific Oceans.