Greater White-fronted Goose vs Kelp Goose
Anser albifrons comparé à Chloephaga hybrida
Side-by-Side Comparison
| Attribut | Greater White-fronted Goose | Kelp Goose |
|---|---|---|
| Nom scientifique | Anser albifrons | Chloephaga hybrida |
| Ordre | Anseriformes | Anseriformes |
| Famille | Anatidae | Anatidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 81,6 cm (32.1 in) | 71,6 cm (28.2 in) |
| Poids | 2471,0 g (87.16 oz) | 2735,0 g (96.47 oz) |
| Régime alimentaire | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | -- |
| Taille de la couvée | 3-9 | 3-7 |
| Population Trend | — | — |
Habitat Comparison
Habitats partagés
Greater White-fronted Goose only
Kelp Goose only
Aucun(e)
Greater White-fronted Goose
Breeds on Arctic and subarctic tundra and peatlands. Winters on estuaries, agricultural fields, freshwater marshes, and flooded meadows across Europe, Asia, and North America. One of the most widespread geese.
Kelp Goose
Rocky wave-washed shores, sea channels, and kelp-fringed coasts of Patagonian Chile and Argentina south to Tierra del Fuego, and the Falkland Islands. Strictly coastal; almost never moves inland.
Song & Call Comparison
Greater White-fronted Goose
A loud, laughing 'kow-lyuk' or musical 'wah-wah'. Gives a distinctive high-pitched yodeling quality lacking in Greylag. Highly vocal in large winter flocks.
Kelp Goose
A loud, nasal 'honk'. Male is mostly white and gives sharper calls; female is dark and gives softer, lower honks. Coastal Patagonian and Falklands habitat; highly vocal.
Geographic Range & Migration
Greater White-fronted Goose
Breeds in the potholes region of the northern Great Plains; winters in the southern United States and along the Gulf Coast.
Kelp Goose
Statut de conservation
Greater White-fronted Goose
Kelp Goose
How to Tell Them Apart
Greater White-fronted Goose
Brown-gray body with white forehead patch bordered by white band at bill base. Underparts with bold irregular black bars on belly. Orange bill; orange-yellow legs. Juveniles lack white front and …
Kelp Goose
Extreme dimorphism. Males entirely white with yellow bill and legs. Females dark brown barred white overall; yellow legs. Coastal species of rocky shores. Sexes so different they were once considered …
About These Birds
Greater White-fronted Goose
A medium-large goose with a white forehead patch, orange bill, grey-brown plumage, and variable black barring on the belly. Widespread and numerous; one of the most abundant geese in the world. Breeds across the high Arctic; winters in a wide range of temperate wetland and agricultural habitats.
Kelp Goose
A sheldgoose with stark sexual dimorphism: males are entirely white; females are dark brown with white belly and barred flanks. Found exclusively on rocky wave-washed shorelines where it feeds almost entirely on kelp and green algae. Endemic to Patagonian coastline and Falkland Islands.