🐦

Scaly-sided Merganser

Mergus squamatus

Endangered
طول الجناح
51,2 cm
الوزن
1145,8 g
الفصيلة
Anatidae
الرتبة
Anseriformes

حول

A medium-large merganser (~1.1 kg) in family Anatidae, distinguished by scaly flank patterning and a shaggy crest. Breeds along fast, clear rivers in old-growth forests of far eastern Russia and China; winters in rivers of East and Southeast Asia. Feeds on fish. Endangered due to deforestation, river pollution, and human disturbance of nesting sites.

Physical Description

Measurement Value Imperial
طول الجناح 51,2 cm 20.2 in
الوزن 1145,8 g 40.42 oz

التعرف

الريش

Male has iridescent dark green head with long flat crest, white body with distinctive black scaly pattern on flanks, and black back with white patches. Female has brownish-red crested head and grey body with similar scaly flank pattern.

Habitat & Range

النطاق الجغرافي

Breeds in southern Russia, northern China, and the Russian Far East. Winters in southern China and Korea. Found on fast-flowing forested rivers.

Diet & Feeding

Dives for fish in fast-flowing East Asian rivers. Endangered; highly piscivorous with serrated bill adapted for catching slippery fish.

حالة الحفاظ

Endangered
IUCN Red List

السلوك والتكاثر

التعشيش

Nest type: CV,O. Incubation: 31-35 days. Fledging: 56 days.

عدد البيض في الوضع

4-14

الصوت

الغناء

Male gives a quiet, low grunting call; female produces a guttural, croaking series. Endangered; calls are poorly known; similar to Red-breasted Merganser but quieter in Manchurian forest rivers.

التصنيف

Kingdom Animalia
Phylum Chordata
Class Aves
الرتبة Anseriformes (Waterfowl)
الفصيلة Anatidae (Ducks, Geese & Swans)
Genus Mergus
الأنواع Mergus squamatus

Distribution

Scaly-sided Merganser has been recorded in 2 countries.

{# Distribution Map — simplified SVG world map with highlighted countries. Expects `country_codes` variable: list of ISO alpha-2 codes (e.g. ["US", "CA", "MX"]). Uses Alpine.js to toggle classes on country paths. #}
موجود Not recorded
{# Simplified country/region shapes — major landmasses with ISO alpha-2 data attributes. These are simplified polygon representations for visual distribution display. #}

countries highlighted

External Databases

الأسئلة الشائعة

What does the Scaly-sided Merganser eat?
Dives for fish in fast-flowing East Asian rivers. Endangered; highly piscivorous with serrated bill adapted for catching slippery fish.
Where does the Scaly-sided Merganser live?
Breeds in southern Russia, northern China, and the Russian Far East. Winters in southern China and Korea. Found on fast-flowing forested rivers.
Is the Scaly-sided Merganser endangered?
The Scaly-sided Merganser has a conservation status of Endangered.
How does the Scaly-sided Merganser nest?
Nest type: CV,O. Incubation: 31-35 days. Fledging: 56 days.
What does the Scaly-sided Merganser sound like?
Male gives a quiet, low grunting call; female produces a guttural, croaking series. Endangered; calls are poorly known; similar to Red-breasted Merganser but quieter in Manchurian forest rivers.
How big is the Scaly-sided Merganser?
The Scaly-sided Merganser has a wingspan of 51.2 cm, weight of 1145.8 g.
What order and family does the Scaly-sided Merganser belong to?
The Scaly-sided Merganser (Mergus squamatus) belongs to the order Anseriformes and the family Anatidae.

Similar Birds

Other species in the Anatidae family

مقارنة

Explore More

Explore the Nature FYI Family