Emus Rheas and Ostrichs are all part of the Struthioniformes order which contains all extant (living) members of the Struthionidae family. This family contains just these three genera of birds. The three genera are: Struthio (ostrich) Rhea and Dromaius (emu).
The ostrich is the largest living bird in the world. Native to Africa it is the only living member of the genus Struthio. The other two genera in the family Rhea and Dromaius are found in South America.
The rhea is the largest bird in South America. It is native to Argentina Bolivia Brazil Chile Colombia Ecuador Paraguay Peru Uruguay and Venezuela. The rhea is the only living member of the genus Rhea.
The emu is the second-largest living bird in the world. Native to Australia it is the only living member of the genus Dromaius.
All three birds are very similar in appearance with long necks and legs and small heads. They are all flightless birds and all three lay eggs. The eggs of ostriches are the largest of any living bird measuring up to 15 inches (38 cm) long and weighing up to 3 pounds (1.4 kg). The eggs of rheas are slightly smaller measuring up to 12 inches (30 cm) long and weighing up to 2.2 pounds (1 kg). The eggs of emus are the smallest of the three measuring up to 6 inches (15 cm) long and weighing up to 1.1 pounds (500 g).
All three birds are omnivorous meaning they eat both plants and animals. Ostriches are known to eat anything from grass to locusts to lizards. Rheas are known to eat mostly plants but they will also eat insects frogs and lizards. Emus are known to eat mostly plants but they will also eat insects worms and small mammals.
So how are these three birds related? They are all part of the Struthioniformes order and the Struthionidae family. They are similar in appearance diet and habitat. They are all flightless birds and they all lay eggs. The main difference between the three is their size; ostriches are the largest rheas are the second-largest and emus are the smallest.
How are emus and rheas related?
Answer: Emus and rheas are both members of the ratite family which includes all flightless birds.
How are emus and ostriches related?
Answer: Emus and ostriches are both members of the ratite family which includes all flightless birds.
What is the difference between an emu and a rhea?
Answer: Rheas are native to South America while emus are native to Australia.
Emus are also larger than rheas with males reaching up to 6.
6 feet tall and weighing up to 155 pounds.
What is the difference between an emu and an ostrich?
Answer: Ostriches are native to Africa while emus are native to Australia.
Emus are also smaller than ostriches with males only reaching up to 6.
6 feet tall and weighing up to 155 pounds.
Do emus or rheas have wings?
Answer: Emus and rheas are both flightless birds.
They do have small vestigial wings but these wings are too small to provide any aerial capability.
Do emus or ostriches have wings?
Answer: Emus and ostriches are both flightless birds.
They do have small vestigial wings but these wings are too small to provide any aerial capability.
What kind of feet do emus have?
Answer: Emus have two-toed feet with the toes being of unequal size.
What kind of feet do rheas have?
Answer: Rheas have three-toed feet with the toes being of equal size.
What kind of feet do ostriches have?
Answer: Ostriches have two-toed feet with the toes being of equal size.
What do emus eat?
Answer: Emus are omnivores and their diet consists of plants insects reptiles and small mammals.
What do rheas eat?
Answer: Rheas are herbivores and their diet consists of grasses leaves and buds.
What do ostriches eat?
Answer: Ostriches are omnivores and their diet consists of plants insects reptiles and small mammals.
How do emus reproduce?
Answer: Emus reproduce by laying eggs.
The female will lay between 5 and 20 eggs in a nest and the male will incubate them for around 50 days.
How do rheas reproduce?
Answer: Rheas reproduce by laying eggs.
The female will lay between 3 and 7 eggs in a nest and the male will incubate them for around 40 days.
How do ostriches reproduce?
Answer: Ostriches reproduce by laying eggs.
The female will lay between 10 and 40 eggs in a nest and the male will incubate them for around 50 days.
