White-cheeked Pintail vs Mute Swan
Anas bahamensis เปรียบเทียบกับ Cygnus olor
Side-by-Side Comparison
| คุณสมบัติ | White-cheeked Pintail | Mute Swan |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Anas bahamensis | Cygnus olor |
| อันดับ | Anseriformes | Anseriformes |
| วงศ์ตระกูล | Anatidae | Anatidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | 152.0 cm (59.8 in) |
| กว้างปีก | 41.1 cm (16.2 in) | 235.0 cm (92.5 in) |
| น้ำหนัก | 544.5 g (19.21 oz) | 11000.0 g (388.01 oz) |
| อาหาร | Eats molluscs, crustaceans, and aquatic invertebrates; dives in shallow coastal water; diet dominated by hard-shelled … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| จำนวนไข่ | 5-12 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
White-cheeked Pintail
Freshwater, brackish, and coastal wetlands across the Caribbean, Galapagos Islands, and South America from Venezuela south to Argentina. Tolerates saline habitats; common in coastal lagoons and estuaries.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
White-cheeked Pintail
Female gives a descending quacking series; male produces a soft, nasal gak note. Both sexes relatively quiet; calls carry across Caribbean mangroves and Bahamian tidal flats.
Mute Swan
Despite its name, not truly mute: gives hissing snorts and low grunting when threatened. Wings produce a loud rhythmic whistling throbbing sound in flight.
Geographic Range & Migration
White-cheeked Pintail
Breeds in the subarctic and Arctic Eurasia; winters across temperate lakes and coasts in Europe, Africa, and Asia.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
สถานะการอนุรักษ์
White-cheeked Pintail
Mute Swan
How to Tell Them Apart
White-cheeked Pintail
Brown body mottled with dark spots; white cheeks and throat distinctive. Pointed tail. Red base to gray bill. Iridescent green speculum with buff-white front border. Sexes similar but males have …
Mute Swan
All-white plumage in adults. Cygnets are grey-brown, gradually whitening over the first year. Graceful S-curved neck posture is distinctive.
Orange bill with a prominent black knob at the base, larger in males
About These Birds
White-cheeked Pintail
A slender duck with white cheeks and throat contrasting with brown body, a red-based grey bill, and distinctive red-sided tail. Found from the Caribbean south through South America. Also known as the Bahama Pintail. Common on Caribbean islands. Three subspecies recognized.
Mute Swan
The mute swan is one of the heaviest flying birds, with males weighing up to 14 kg. Despite its name, it is not truly mute, producing hissing, grunting, and snorting sounds. Mute swans form lifelong pair bonds and their aggressive defense of nesting territory is well known.