Heermann's Gull vs Black-naped Tern
Larus heermanni comparado con Sterna sumatrana
Side-by-Side Comparison
| Atributo | Heermann's Gull | Black-naped Tern |
|---|---|---|
| Nombre científico | Larus heermanni | Sterna sumatrana |
| Orden | Charadriiformes | Charadriiformes |
| Familia | Laridae | Laridae |
| Estado de conservación | Near Threatened | Least Concern |
| Longitud | — | — |
| Envergadura | 67,2 cm (26.5 in) | 43,1 cm (17.0 in) |
| Peso | 448,26666666666665 g (15.81 oz) | 103,75 g (3.66 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 1-2 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservación
Near Threatened
Heermann's Gull
Least Concern
Black-naped 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.
Black-naped Tern
Black-naped Tern, 30–32 cm, breeds on tropical Indo-Pacific coral islands from the Maldives to Polynesia. White overall with a narrow black nape band connecting the black lores — a delicate, elegant pattern. Piscivore; surface-dips and shallow dives in clear tropical waters over reefs.