Canada Goose vs African Pygmy-goose
Branta canadensis comparado con Nettapus auritus
Side-by-Side Comparison
| Atributo | Canada Goose | African Pygmy-goose |
|---|---|---|
| Nombre científico | Branta canadensis | Nettapus auritus |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 84,6 cm (33.3 in) | 29,9 cm (11.8 in) |
| Peso | 4906,599999999999 g (173.08 oz) | 272,5 g (9.61 oz) |
| Dieta | Grazes aquatic vegetation and grasses in Arctic tundra; migrates south to winter on estuaries eating … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| Tamaño de la puesta | 1-8 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Canada Goose only
African Pygmy-goose only
Ninguno
Canada Goose
Lakes, rivers, ponds, parks, golf courses, agricultural fields, and coastal marshes across North America. Breeds on ground near water. Many populations now resident year-round in temperate urban areas.
African Pygmy-goose
Freshwater lakes, ponds, and rivers with floating water lilies and other aquatic vegetation across sub-Saharan Africa from Senegal to Tanzania. Nests in tree cavities near water. Highly dependent on water lily vegetation.
Song & Call Comparison
Canada Goose
A loud, resonant 'a-honk' or 'hrr-onk'. Flocks produce a constant clamoring honk during migration. Also gives softer cackling contact calls. One of the most recognizable bird sounds.
African Pygmy-goose
Male produces a soft, wheezy whistle; female gives a quiet, duck-like quack. Pairs exchange rapid twittering notes during courtship on lily-covered African pools.
Geographic Range & Migration
Canada Goose
Breeds across Canada and Alaska; winters from the contiguous US to northern Mexico. Introduced populations resident in Europe and New Zealand.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Estado de conservación
Canada Goose
African Pygmy-goose
How to Tell Them Apart
Canada Goose
Black head and long neck with bold white chin strap. Back and wings brown-gray; underparts pale tan to white on belly. White undertail coverts. Tail black. Large and familiar; sexes …
African Pygmy-goose
Tiny. Males have glossy dark green head with orange facial patch and ear spot; chestnut-orange flanks; white underparts; black and green back. Females duller with dark eye-stripe. Small yellow-green bill.
About These Birds
Canada Goose
El barnacla canadiense es uno de los gansos más conocidos de América del Norte, reconocible por el cuello y la cabeza negros con las mejillas blancas. Ha sido introducido en Europa, donde forma poblaciones silvestres. Cría en una amplia variedad de hábitats, desde la tundra ártica hasta las zonas suburbanas, siendo uno de los animales que mejor se ha adaptado a los entornos modificados por el hombre.
African Pygmy-goose
El pigmeo africano o pato enano africano es el pato más pequeño de África y uno de los patos más pequeños del mundo. Tiene plumaje de color verde oscuro y blanco con el cuello de color castaño rojizo. Habita en lagunas tranquilas, estanques y pantanos con abundante vegetación flotante, especialmente lirios de agua, en África subsahariana.