Common Kingfisher vs Emu
Alcedo atthis comparado com Dromaius novaehollandiae
Side-by-Side Comparison
| Atributo | Common Kingfisher | Emu |
|---|---|---|
| Nome científico | Alcedo atthis | Dromaius novaehollandiae |
| Ordem | Coraciiformes | Casuariiformes |
| Família | Alcedinidae | Dromaiidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | 17,0 cm (6.7 in) | 175,0 cm (68.9 in) |
| Envergadura | 25,0 cm (9.8 in) | 20,0 cm (7.9 in) |
| Peso | 36,0 g (1.27 oz) | 45000,0 g (1587.33 oz) |
| Dieta | Small fish, aquatic insects, and crustaceans. Hunts from a low perch over water, diving headfirst … | Plants, seeds, fruits, flowers, and insects. Swallows large stones and charcoal to grind food in … |
| Tamanho da postura | 3-10 | 5-24 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Common Kingfisher
Clear, slow-flowing rivers, streams, lakes, and ponds with suitable perching and nesting banks. Requires clean water with good fish populations.
Emu
Open grasslands, savanna woodlands, scrublands, and semi-arid plains across Australia. Avoids dense forest and true desert.
Song & Call Comparison
Common Kingfisher
A sharp, penetrating 'chee' whistle given in flight, often the first indication of its presence. Short, shrill single note as it darts low over rivers. Contact call is a rippling …
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
Common Kingfisher
Widespread across Europe, Asia, and North Africa. Northern populations migrate south in winter.
Emu
Throughout mainland Australia. Absent from Tasmania, where the Tasmanian emu was driven to extinction by 1850.
Estado de conservação
Common Kingfisher
Emu
How to Tell Them Apart
Common Kingfisher
Brilliant electric blue upperparts and orange underparts. Blue-green crown with darker barring. White throat patch and cheek spots. A flash of blue in flight.
Long, straight, dagger-like dark bill — orange base on the lower mandible in females
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
Common Kingfisher
The common kingfisher is a dazzling jewel of waterways, its iridescent blue plumage caused by light refraction in the feather structure rather than pigment. These birds inspired the design of the Shinkansen bullet train in Japan — the shape of their bill was copied to reduce sonic booms when trains exit tunnels.
Emu
The emu is the second-tallest living bird and the largest bird native to Australia. It is the only bird with calf muscles, enabling powerful running at up to 50 km/h. In the famous Emu War of 1932, the Australian military was deployed against crop-raiding emus — and the emus arguably won.