Black-billed Gull vs Heermann's Gull
Larus bulleri comparado con Larus heermanni
Side-by-Side Comparison
| Atributo | Black-billed Gull | Heermann's Gull |
|---|---|---|
| Nombre científico | Larus bulleri | Larus heermanni |
| Orden | Charadriiformes | Charadriiformes |
| Familia | Laridae | Laridae |
| Estado de conservación | Near Threatened | Near Threatened |
| Longitud | — | — |
| Envergadura | 57,5 cm (22.6 in) | 67,2 cm (26.5 in) |
| Peso | 216,83333333333334 g (7.65 oz) | 448,26666666666665 g (15.81 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 1-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservación
Near Threatened
Black-billed Gull
Near Threatened
Heermann's Gull
About These Birds
Black-billed Gull
Black-billed Gull, 35–38 cm, is endemic to New Zealand, breeding on South Island braided riverbeds. All-white plumage with a slender black bill and black-tipped wings. Endangered; river modification and mammal predation depress breeding success. Insectivore and piscivore in river and coastal habitats.
Heermann's Gull
La gaviota de Heermann es una gaviota inconfundible del Pacífico mexicano y norteamericano, con cabeza blanca en verano y pico rojo.