Heermann's Gull vs Common Tern

Larus heermanni comparado com Sterna hirundo

Side-by-Side Comparison

Atributo Heermann's Gull Common Tern
Nome científico Larus heermanni Sterna hirundo
Ordem Charadriiformes Charadriiformes
Família Laridae Laridae
Estado de conservação Near Threatened Least Concern
Comprimento
Envergadura 67,2 cm (26.5 in) 50,7 cm (20.0 in)
Peso 448,26666666666665 g (15.81 oz) 125,75 g (4.44 oz)
Dieta -- --
Tamanho da postura 1-2 2-3
Population Trend

Habitat Comparison

Habitats partilhados

Heermann's Gull only

Nenhum

Common Tern only

Estado de conservação

Near Threatened

Heermann's Gull

Least Concern

Common Tern

About These Birds

Heermann's Gull

A gaivota-de-heermann é uma gaivota distinta da costa do Pacífico com cabeça branca e corpo cinzento-escuro, encontrada principalmente da Baja California ao Oregon.

Common Tern

Common Tern, 31–35 cm, wingspan 77–98 cm, is among the most widespread seabirds, breeding across the Holarctic and wintering in the Southern Hemisphere. Grey back, white below, orange-red bill with dark tip, black cap. Plunge-dives for fish. One of the longest-distance migrants in the Northern Hemisphere.

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