Mexican Duck vs Stockente
Anas diazi verglichen mit Anas platyrhynchos
Side-by-Side Comparison
| Merkmal | Mexican Duck | Stockente |
|---|---|---|
| Wissenschaftlicher Name | Anas diazi | Anas platyrhynchos |
| Ordnung | Anseriformes | Anseriformes |
| Familie | Anatidae | Anatidae |
| Erhaltungsstatus | Not Evaluated | Least Concern |
| Länge | — | 58,0 cm (22.8 in) |
| Flügelspannweite | — | 90,0 cm (35.4 in) |
| Gewicht | 1003,75 g (35.41 oz) | 1100,0 g (38.80 oz) |
| Ernährung | Eats fish, molluscs, and aquatic invertebrates; dives in fresh and salt water; diet shifts between … | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … |
| Gelegegröße | 1-13 | 4-18 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Mexican Duck
Freshwater lakes, marshes, and rivers at 1,000–2,500 m in the highlands of Mexico and the southwestern United States. Uses agricultural ponds and irrigation canals.
Stockente
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
Song & Call Comparison
Mexican Duck
Female gives a Mallard-like, descending quacking series; male utters a soft, nasal grunt. Vocalizations essentially identical to Mallard; found in Mexican interior wetlands and the Rio Grande.
Stockente
Female gives the classic 'quack-quack-quack', descending in pitch. Male utters soft nasal 'raeb-raeb'. Both give a high 'gag-gag-gag' when alarmed or taking flight.
Geographic Range & Migration
Mexican Duck
Breeds in central and eastern Siberia; winters in East Asia, Southeast Asia, and the East African coast.
Stockente
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
Erhaltungsstatus
Mexican Duck
Stockente
How to Tell Them Apart
Mexican Duck
Similar to Mottled Duck; mottled brown plumage with pale buff head showing dark crown and eye stripe. Iridescent blue-purple speculum with white borders. Yellow-orange bill. Both sexes similar. SW USA …
Stockente
Breeding males have an iridescent green head, white neck ring, chestnut breast, and grey body. Females are mottled brown. Both sexes show a blue speculum bordered by white.
Broad, flat bill — yellow-green in males, orange-brown in females
About These Birds
Mexican Duck
A large dabbling duck resembling a female Mallard with an olive-green bill, blue speculum, and orange-yellow legs. Found in highland lakes and marshes of Mexico and the southwestern United States. Often considered a Mallard subspecies; sometimes treated as distinct due to limited hybridization.
Stockente
Die Stockente ist die Stammform der meisten Hausentenrassen und die häufigste und am weitesten verbreitete Schwimmente der Welt. Erpel zeigen aufwendige Balzrituale, darunter Kopfnicken und pfeifend-grunzende Rufe. Stockenten sind äußerst anpassungsfähig und gedeihen sowohl in der Wildnis als auch in städtischen Lebensräumen.