Anna's Hummingbird vs pygargue à tête blanche
Calypte anna comparé à Haliaeetus leucocephalus
Side-by-Side Comparison
| Attribut | Anna's Hummingbird | pygargue à tête blanche |
|---|---|---|
| Nom scientifique | Calypte anna | Haliaeetus leucocephalus |
| Ordre | Caprimulgiformes | Accipitriformes |
| Famille | Trochilidae | Accipitridae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | 10,0 cm (3.9 in) | 79,0 cm (31.1 in) |
| Envergure | 12,0 cm (4.7 in) | 203,0 cm (79.9 in) |
| Poids | 4,3 g (0.15 oz) | 4300,0 g (151.68 oz) |
| Régime alimentaire | Nectar, small insects, and tree sap. Visits a wide variety of native and ornamental flowering … | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … |
| Taille de la couvée | 2 | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partagés
Anna's Hummingbird only
Aucun(e)
pygargue à tête blanche only
Anna's Hummingbird
Chaparral, coastal sage scrub, gardens, parks, and open woodland along the Pacific coast. One of few hummingbirds not fully migratory.
pygargue à tête blanche
Large bodies of open water including coasts, rivers, and lakes with abundant fish and old-growth trees for nesting.
Song & Call Comparison
Anna's Hummingbird
Male produces a complex, scratchy song with buzzy 'dzzzzt' notes. Gives a nasal 'chee-chee-chee'. Males sing year-round, even in winter; one of few hummingbirds with true song.
pygargue à tête blanche
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
Anna's Hummingbird
Western North America from southern British Columbia along the Pacific coast to Baja California. Range has expanded northward.
pygargue à tête blanche
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Statut de conservation
Anna's Hummingbird
pygargue à tête blanche
How to Tell Them Apart
Anna's Hummingbird
Metallic bronze-green upperparts. Males have an iridescent rose-red crown and gorget. Females have green upperparts with grey underparts and a small red gorget patch.
Medium-length, straight, thin black bill
pygargue à tête blanche
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
Anna's Hummingbird
Anna's hummingbird is the most common hummingbird along the Pacific coast and one of only three species resident in the United States year-round. Males perform spectacular dive displays, plummeting from 40 meters and pulling up with a loud chirp produced by tail feathers. Their body temperature can drop to near ambient at night to conserve energy.
pygargue à tête blanche
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.