Indian Spot-billed Duck vs Mandarin Duck
Anas poecilorhyncha 比較対象 Aix galericulata
Side-by-Side Comparison
| 属性 | Indian Spot-billed Duck | Mandarin Duck |
|---|---|---|
| 学名 | Anas poecilorhyncha | Aix galericulata |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | 44.0 cm (17.3 in) |
| 翼開長 | 54.4 cm (21.4 in) | 70.0 cm (27.6 in) |
| 体重 | 1220.0 g (43.03 oz) | 570.0 g (20.11 oz) |
| 食性 | Dives for fish and aquatic invertebrates in clear cold streams; serrated bill adapted for catching … | Seeds, acorns, grains, aquatic plants, insects, snails, and small fish. Forages by dabbling, walking, and … |
| 一腹卵数 | 6-12 | 7-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Indian Spot-billed Duck
Freshwater lakes, rivers, marshes, rice paddies, and tanks across the Indian subcontinent to Southeast Asia. Common near human habitation. Largely sedentary with some local seasonal movement.
Mandarin Duck
Wooded lakes, rivers, and ponds surrounded by dense forest. Unlike most ducks, regularly perches in trees and nests in tree cavities.
Song & Call Comparison
Indian Spot-billed Duck
Female gives a loud, emphatic quacking series; male produces a raspy rehb note. Calls are Mallard-like but slightly lower; flocks create a cacophonous quacking chorus on Indian lakes.
Mandarin Duck
Male gives a low whistled 'hib' or 'weep'. Female utters a soft quacking 'kek'. Generally quiet and secretive. No loud territorial song; vocalizations subtle and brief.
Geographic Range & Migration
Indian Spot-billed Duck
Resident in freshwater lakes and rivers across Southeast Asia, from Myanmar to Indonesia and the Philippines.
Mandarin Duck
Native to East Asia including eastern Russia, China, Japan, and Korea. Feral populations established in Britain and western Europe.
保全状況
Indian Spot-billed Duck
Mandarin Duck
How to Tell Them Apart
Indian Spot-billed Duck
Large brownish duck with pale face and distinctive yellow-tipped black bill with red basal spot. Dark cap and eye stripe. Iridescent green speculum with white border. White tertials visible at …
Mandarin Duck
Breeding males have an elaborate pattern of orange, green, white, and purple with distinctive orange sail feathers on the back. Females are grey-brown with a white eye-ring and stripe.
Small red bill in breeding males, pinkish in females
About These Birds
Indian Spot-billed Duck
ハシブトガモはインド亜大陸から中国、日本にかけて分布するカモです。嘴の先端が黄色く、赤いパッチがあるのが名前の由来です。湿地、稲田、川、湖に生息し、水草や農作物の種子なども採食します。日本では留鳥として全国的に見られます。
Mandarin Duck
オシドリ。東アジア原産の美しいカモ。雄は鮮やかなオレンジ色の「帆羽」と複雑な羽毛模様が特徴的。体長41〜49cm。森林の池や川に生息し、樹洞に巣を作る。ドングリや水草を食べる。低危険種。