Horned Screamer vs Northern Screamer
Anhima cornuta 비교 대상 Chauna chavaria
Side-by-Side Comparison
| 속성 | Horned Screamer | Northern Screamer |
|---|---|---|
| 학명 | Anhima cornuta | Chauna chavaria |
| 목 | Anseriformes | Anseriformes |
| 과 | Anhimidae | Anhimidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 110.6 cm (43.5 in) | 98.6 cm (38.8 in) |
| 체중 | 3450.0 g (121.70 oz) | 2345.6666666666665 g (82.74 oz) |
| 식성 | Grazes arctic grasses and sedges in summer; winters on coastal marshes and agricultural fields; eats … | Herbivore; grazes upland grasses and sedges; arctic breeder wintering on coastal salt marshes and agricultural … |
| 산란 수 | 2-7 | 2-7 |
| Population Trend | — | — |
Habitat Comparison
Horned Screamer
Tropical freshwater marshes, seasonally flooded savannas, lake margins, and forest-edge wetlands from Colombia, Venezuela, and the Guianas south through the Amazon basin to Bolivia and northern Brazil.
Northern Screamer
Freshwater marshes, wet savannas, lake edges, and seasonally flooded grasslands in northern Colombia and northwestern Venezuela. Associated with low-lying wetlands near large rivers and estuaries.
Song & Call Comparison
Horned Screamer
An extremely loud, far-carrying 'SKREEEEEE-ow' call — one of the loudest Neotropical waterbird calls. Pairs duet with overlapping screams audible over 3 km. Highly vocal.
Northern Screamer
Loud, far-carrying screaming calls given in chorus by flocks. Call is a ringing 'cchaaaaa'. Less commonly heard than Horned Screamer but still highly vocal in wetland habitat.
Geographic Range & Migration
Horned Screamer
Ranges across central South America from southeastern Brazil to Bolivia and Argentina. Sedentary in dry Chaco and cerrado.
Northern Screamer
Endemic to the Falkland Islands. Non-migratory; inhabits grasslands and coastal vegetation year-round on this remote archipelago.
보전 상태
Horned Screamer
Northern Screamer
How to Tell Them Apart
Horned Screamer
Mostly black plumage with white spotting on wings; white belly and flanks. Distinctive white forehead patch. Long, slender whitish horn projecting from crown. Bare red eye-ring. Sexes similar.
Northern Screamer
Mostly gray plumage; head and neck grayish with black crown and nape. Bare red facial skin around eye. White cheek patches. Underparts grayish-white. Legs red. Sexes similar.
About These Birds
Horned Screamer
뿔 스크리머는 남아메리카의 열대 습지와 사바나에 서식하는 대형 조류입니다. 머리에 독특한 전방 향 뿔이 있으며, 날카로운 울음소리와 강인한 날개의 박차로 알려져 있습니다.
Northern Screamer
짧은 회색 볏, 붉은 안면 피부, 날개 박차를 가진 대형 회-흰색 수조이다. 베네수엘라와 콜롬비아 북부 습지와 범람원 서식. 초식성.