Tundra Bean Goose vs African Pygmy-goose
Anser serrirostris เปรียบเทียบกับ Nettapus auritus
Side-by-Side Comparison
| คุณสมบัติ | Tundra Bean Goose | African Pygmy-goose |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Anser serrirostris | Nettapus auritus |
| อันดับ | Anseriformes | Anseriformes |
| วงศ์ตระกูล | Anatidae | Anatidae |
| สถานะการอนุรักษ์ | Not Evaluated | Least Concern |
| ความยาว | — | — |
| กว้างปีก | — | 29.9 cm (11.8 in) |
| น้ำหนัก | 2540.0 g (89.60 oz) | 272.5 g (9.61 oz) |
| อาหาร | -- | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| จำนวนไข่ | 3-8 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
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Tundra Bean Goose only
African Pygmy-goose only
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Tundra Bean Goose
Breeds on Arctic and subarctic tundra in Siberia. Winters on agricultural land, river floodplains, and wetlands in eastern China, Japan, and Korea, with some wintering in western Europe.
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
Tundra Bean Goose
A nasal, lower call compared to Taiga Bean Goose. Considered subspecifically or specifically distinct; vocalizations are an active taxonomic tool for separation in mixed flocks.
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
Tundra Bean Goose
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
สถานะการอนุรักษ์
Tundra Bean Goose
African Pygmy-goose
How to Tell Them Apart
Tundra Bean Goose
Dark brown head and neck; grayish-brown back with pale feather fringing. Underparts pale gray-brown. Orange-yellow legs. Bill black with orange subterminal band. Recently split from Taiga Bean Goose.
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
Tundra Bean Goose
A large brown goose with dark head and neck, orange-patterned black bill, and orange legs. Separated from Taiga Bean Goose as a distinct species. Breeds on Arctic and subarctic tundra; winters in eastern Asia and occasionally western Europe. More common in Japan and eastern China.
African Pygmy-goose
A tiny jewel-like duck—one of Africa's smallest waterfowl. Males have iridescent green-and-white plumage, an orange bill, and a dark green cap; females are mottled brown. Found on lily-covered lakes in sub-Saharan Africa. Perches on water lily pads and feeds on their seeds and flowers.