Cape Teal vs Greater White-fronted Goose
Anas capensis so với Anser albifrons
Side-by-Side Comparison
| Thuộc Tính | Cape Teal | Greater White-fronted Goose |
|---|---|---|
| Tên Khoa Học | Anas capensis | Anser albifrons |
| Bộ | Anseriformes | Anseriformes |
| Họ | Anatidae | Anatidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 38,6 cm (15.2 in) | 81,6 cm (32.1 in) |
| Khối Lượng | 423,8333333333333 g (14.95 oz) | 2471,0 g (87.16 oz) |
| Chế Độ Ăn | Dives for molluscs, crustaceans, and aquatic invertebrates; digs in mudflats; diet heavily invertebrate year-round. | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … |
| Số Trứng | 5-15 | 3-9 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Cape Teal only
Không
Greater White-fronted Goose only
Cape Teal
Saline, alkaline, and freshwater lakes and pans across sub-Saharan Africa from the Sahel to South Africa. Strongly associated with soda and saline lakes in East Africa's Rift Valley. Nomadic.
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.
Song & Call Comparison
Cape Teal
Female gives a soft, nasal quacking series; male produces a high, piping whistle. The male's clear, piping call is unexpected for a teal; heard on Cape and Namibian estuaries.
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.
Geographic Range & Migration
Cape Teal
Breeds across the Palearctic; winters on coasts from western Africa around to Southeast Asia and Australia.
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.
Tình Trạng Bảo Tồn
Cape Teal
Greater White-fronted Goose
How to Tell Them Apart
Cape Teal
Pale gray-brown plumage with fine dark spotting on breast. Pink bill with dark ridge. Iridescent green-and-black speculum with white borders. Pale head. Sexes similar. African saline and alkaline lake specialist.
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 …
About These Birds
Cape Teal
A small pale grey teal with pink bill, orange-red eye, and green speculum. The palest duck in Africa. Found on saline and alkaline lakes and pans across sub-Saharan Africa. Nomadic; follows shifting water availability. Feeds by filter-dabbling.
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.