American Robin vs águia-de-cabeça-branca
Turdus migratorius comparado com Haliaeetus leucocephalus
Side-by-Side Comparison
| Atributo | American Robin | águia-de-cabeça-branca |
|---|---|---|
| Nome científico | Turdus migratorius | Haliaeetus leucocephalus |
| Ordem | Passeriformes | Accipitriformes |
| Família | Turdidae | Accipitridae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | 25,0 cm (9.8 in) | 79,0 cm (31.1 in) |
| Envergadura | 36,0 cm (14.2 in) | 203,0 cm (79.9 in) |
| Peso | 77,0 g (2.72 oz) | 4300,0 g (151.68 oz) |
| Dieta | Earthworms, insects, and fruit. Famously hunts earthworms on lawns by running, stopping, and tilting its … | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … |
| Tamanho da postura | 2-4 | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partilhados
American Robin only
Nenhum
águia-de-cabeça-branca only
American Robin
Lawns, parks, gardens, farmland, and forest edges. One of the most familiar birds in suburban North America.
águia-de-cabeça-branca
Large bodies of open water including coasts, rivers, and lakes with abundant fish and old-growth trees for nesting.
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.
águia-de-cabeça-branca
High-pitched, chattering whistle: a rapid 'kleek-kik-ik-ik-ik'. Surprisingly weak and thin for such a large raptor. Also gives a lower 'kwit-kwit' call near the nest.
Geographic Range & Migration
American Robin
North America from Alaska and Canada to Mexico. Northern populations migrate south in winter; southern populations are largely resident.
águia-de-cabeça-branca
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Estado de conservação
American Robin
águia-de-cabeça-branca
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
águia-de-cabeça-branca
Adults have a dark brown body with a striking white head and tail. Juveniles are mottled brown and white, reaching full adult plumage at age five.
Large, hooked, bright yellow bill
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 …
águia-de-cabeça-branca
The bald eagle is the national bird and symbol of the United States. Once endangered due to DDT pesticide use, it made a remarkable recovery and was removed from the endangered species list in 2007. These powerful raptors build the largest tree nests of any bird, some weighing over two tons.