American Robin vs Common Starling
Turdus migratorius comparado com Sturnus vulgaris
Side-by-Side Comparison
| Atributo | American Robin | Common Starling |
|---|---|---|
| Nome científico | Turdus migratorius | Sturnus vulgaris |
| Ordem | Passeriformes | Passeriformes |
| Família | Turdidae | Sturnidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | 25,0 cm (9.8 in) | 21,5 cm (8.5 in) |
| Envergadura | 36,0 cm (14.2 in) | 37,0 cm (14.6 in) |
| Peso | 77,0 g (2.72 oz) | 78,0 g (2.75 oz) |
| Dieta | Earthworms, insects, and fruit. Famously hunts earthworms on lawns by running, stopping, and tilting its … | Omnivorous — insects and larvae (especially leatherjackets), earthworms, fruit, and seeds. Probes soil with open … |
| Tamanho da postura | 2-4 | 4-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partilhados
American Robin only
Common Starling only
American Robin
Lawns, parks, gardens, farmland, and forest edges. One of the most familiar birds in suburban North America.
Common Starling
Open countryside, farmland, parks, and urban areas. Forms enormous communal roosts in winter, especially in urban environments.
Song & Call Comparison
American Robin
A clear, caroling song of 2-3 note phrases: 'cheerily, cheer-up, cheerio'. Sings from dawn perches. Sharp 'tut-tut-tut' alarm call and thin 'seeee' flight note.
Common Starling
A complex mimic: rattles, whistles, clicks, and squeaks mixed with imitations of other birds. Song is a continuous medley. Also gives harsh 'scheer' alarm and chattering.
Geographic Range & Migration
American Robin
North America from Alaska and Canada to Mexico. Northern populations migrate south in winter; southern populations are largely resident.
Common Starling
Native to Europe, western Asia, and North Africa. Introduced to North America, South Africa, Australia, and New Zealand.
Estado de conservação
American Robin
Common Starling
How to Tell Them Apart
American Robin
Dark grey-brown upperparts with a warm brick-red breast and belly. White eye-ring and streaked white throat. Female slightly paler.
Bright yellow bill with a dark tip
Common Starling
Glossy black plumage with iridescent purple and green sheen in breeding season. Winter plumage shows white spotting. Short tail and pointed wings in flight.
Long, pointed bill — yellow in breeding season, dark in winter
About These Birds
American Robin
O Tordo-americano (Turdus migratorius) é um dos pássaros mais conhecidos da América do Norte, pertencente à família Turdidae. Amplamente distribuído pelo continente norte-americano, habita florestas, subúrbios, parques e jardins. Mede aproximadamente 23-28 cm e pesa entre 77-85 g. Caracterizado pelo peito laranja avermelhado vivo em contraste com o dorso e cabeça escuros. Frequentemente um dos primeiros pássaros a ser ouvido ao amanhecer, com seu canto musical rico. Alimenta-se de minhocas, insetos e frutos. É um símbolo popular da chegada da …
Common Starling
Estorninho-malhado (Sturnus vulgaris) — 19-22 cm. Distribuído pela Europa e Ásia, introduzido na América do Norte, Austrália e África do Sul. Plumagem negra com reflexo metálico verde e roxo, com pontas brancas no inverno. Voo em bandos enormes (murmuração) é espetáculo notável. Excelente imitador. Omnívoro adaptável a ambientes urbanos e agrícolas.