Palaeognathae
The powerful Australian emu
Emu
The emu is the second tallest bird in the world, right after the ostrich, with a height of up to 190 cm. They have three toes on each foot and can run at speeds of up to 48 km/h. Their legs are featherless, their beaks are adapted for grazing, and their good vision and hearing allow them to detect threats from a distance.
Characteristics
Order:
Palaeognathae
Family:
Dromaiidae
Scientific name:
Dromaius novaehollandiae
Habitat:
Savanna, shrubland, grassland
Origin:
Australia
Current trend:
Stable
Number of individuals in the world:
630.000-725.000
Lifetime:
10-20 years
*Source iucnredlist.org
A land giant
Greater Rhea
Nandu is a type of flightless bird weighing around 20 to 27 kilograms. The head and beak are relatively small, and the legs are long and strong. The feathers are of a ragged appearance, gray or brown in color, with great individual variation.
Characteristics
Order:
Palaeognathae
Family:
Rheidae
Scientific name:
Rhea americana
Habitat:
Savanna, shrubland, grassland
Origin:
South America
Current trend:
Decrease
Number of individuals in the world:
Unknown
Lifetime:
about 10 years
*Source iucnredlist.org
The largest and fastest flightless bird
Common Ostrich
The ostrich is the largest and heaviest bird, with males reaching a height of 2.1 to 2.75 meters and weighing 100 to 130 kilograms, while females are slightly smaller. They have a long neck and legs, which allows them to run at speeds of up to 70 km/h.
Characteristics
Order:
Palaeognathae
Family:
Struthionidae
Scientific name:
Struthio camelus
Habitat:
Savanna, shrubland, grassland
Origin:
Africa
Current trend:
Decrease
Number of individuals in the world:
Unknown
Lifetime:
40-45 years
*Source iucnredlist.org
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