Tallest extant birds
This is a list of the tallest extant birds according to maximum height. Birds range from a tiny bee hummingbird (Mellisuga helenae), which is only 5–6 cm (2.0–2.4 in), to the giant African ostrich (Struthio camelus), almost 280 cm (9.2 ft) in height.
| Rank | Image | Common name | Binomial name | Maximum height | 
|---|---|---|---|---|
| 1 | Common ostrich | Struthio camelus | 2.8 m (9.2 ft) | |
| 2 | Somali ostrich | Struthio molybdophanes | 2.75 m (9.0 ft) | |
| 3 | Emu | Dromaius novaehollandiae | 1.9 m (6.2 ft) | |
| 4 | Greater flamingo | Phoenicopterus roseus | 1.87 m (6.1 ft) | |
| 5 | Greater rhea | Rhea americana | 1.83 m (6.0 ft) | |
| 6 | Southern cassowary | Casuarius casuarius | 1.8 m (5.9 ft) | |
| 7 | Sarus crane | Antigone antigone | 1.8 m (5.9 ft) | |
| 8 | Northern cassowary | Casuarius unappendiculatus | 1.8 m (5.9 ft) | |
| 9 | Saddle-billed stork | Ephippiorhynchus senegalensis | 1.8 m (5.9 ft) | |
| 10 | Wattled crane | Grus carunculata | 1.75 m (5.7 ft) | |
| 11 | Japanese crane | Grus japonensis | 1.6 m (5.2 ft) | |
| 12 | Whooping crane | Grus americana | 1.6 m (5.2 ft) | |
| 13 | Jabiru | Jabiru mycteria | 1.53 m (5.0 ft) | |
| 14 | Goliath heron | Ardea goliath | 1.52 m (5 ft) | |
| 15 | Marabou stork | Leptoptilos crumenifer | 1.52 m (5 ft) | |
| 16 | Black-necked stork | Ephippiorhynchus asiaticus | 1.50 m (5 ft) | |
| 17 | Greater adjutant | Leptoptilos dubius | 1.50 m (5 ft) | |
| 18 | Dwarf cassowary | Casuarius bennetti | 1.50 m (5 ft) |