Barn Swallow vs Emu
Hirundo rustica 比較対象 Dromaius novaehollandiae
Side-by-Side Comparison
| 属性 | Barn Swallow | Emu |
|---|---|---|
| 学名 | Hirundo rustica | Dromaius novaehollandiae |
| 目 | Passeriformes | Casuariiformes |
| 科 | Hirundinidae | Dromaiidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 19.0 cm (7.5 in) | 175.0 cm (68.9 in) |
| 翼開長 | 33.0 cm (13.0 in) | 20.0 cm (7.9 in) |
| 体重 | 19.0 g (0.67 oz) | 45000.0 g (1587.33 oz) |
| 食性 | Aerial insects caught in continuous agile flight, including flies, beetles, moths, and aphids. Drinks by … | Plants, seeds, fruits, flowers, and insects. Swallows large stones and charcoal to grind food in … |
| 一腹卵数 | 2-7 | 5-24 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Barn Swallow
Open farmland, meadows, and areas near water. Nests almost exclusively in human-made structures such as barns, bridges, and eaves.
Emu
Open grasslands, savanna woodlands, scrublands, and semi-arid plains across Australia. Avoids dense forest and true desert.
Song & Call Comparison
Barn Swallow
A rapid, twittering song: a long stream of 'vit-vit-vit' and rolling chirps. Also gives a sharp 'vit' flight call. Song can last many minutes without pause. Musical and liquid.
Emu
Deep, resonant booming grunt 'e-moo', often repeated 3 times. Females give a deep drumming call produced by an inflatable throat pouch. Generally low-pitched and far-carrying.
Geographic Range & Migration
Barn Swallow
Breeds across the Northern Hemisphere in North America, Europe, and Asia. Winters in South America, Africa, and South Asia.
Emu
Throughout mainland Australia. Absent from Tasmania, where the Tasmanian emu was driven to extinction by 1850.
保全状況
Barn Swallow
Emu
How to Tell Them Apart
Barn Swallow
Metallic blue-black upperparts, rufous forehead and throat, and pale buff to rufous underparts. Deeply forked tail with elongated outer streamers.
Short, wide, flat black bill adapted for catching insects in flight
Emu
Shaggy grey-brown plumage with double-shafted feathers giving a loose, hair-like appearance. Bare blue skin on the face and neck.
Broad, flat, dark grey bill
About These Birds
Barn Swallow
ツバメは世界で最も広く分布するツバメ科の種で、スズメ目の中でも最長の渡りを行うもののひとつ。北半球全体にわたってその到来が春の訪れを告げ、古代ギリシャから現代の詩に至るまで文化的な言及を生んできた。ツバメは営巣にほぼ完全に人工構造物を利用するようになっている。
Emu
オーストラリア固有の世界第二位の大型鳥類。1932年の「エミュー戦争」で知られる。飛べないが速く走れる。