Heermann's Gull vs Aleutian Tern

Larus heermanni comparado con Onychoprion aleuticus

Side-by-Side Comparison

Atributo Heermann's Gull Aleutian Tern
Nombre científico Larus heermanni Onychoprion aleuticus
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) 104,88 g (3.70 oz)
Dieta -- --
Tamaño de la puesta 1-2 1-4
Population Trend

Habitat Comparison

Hábitats compartidos

Heermann's Gull only

Ninguno

Aleutian Tern only

Estado de conservación

Near Threatened

Heermann's Gull

Vulnerable

Aleutian 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.

Aleutian Tern

Aleutian Tern, 32–34 cm, breeds colonially in Alaska and Russian Far East, wintering in Southeast Asian waters — one of the most poorly tracked migrations among seabirds. Dark grey above, white below, black cap with white forehead. Piscivore; dives for small fish. Near Threatened.

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