* Emus are smaller than ostriches. Emus typically stand between 4.9 to 5.9 feet tall, while ostriches can reach heights of up to 9 feet.
* Emus have long, slender legs and necks, while ostriches have shorter, sturdier legs and necks.
* Emus have brownish feathers, while ostriches have black and white feathers.
* Emus have three toes, while ostriches have two toes.
Habitat and diet
* Emus are native to Australia, while ostriches are native to Africa.
* Emus live in a variety of habitats, including forests, grasslands, and savannas. Ostriches live primarily in savannas and grasslands.
* Emus are omnivores and their diet consists mainly of plants, fruits, and insects. Ostriches are also omnivores and their diet includes a variety of plants, seeds, and insects.
Behavior
* Emus are social animals and they live in groups called "mobs". Ostriches are also social animals and they live in groups called "herds".
* Emus are known for their speed and agility. They can run at speeds of up to 30 miles per hour and they can easily jump over fences. Ostriches are also fast runners, but they are not as agile as emus. They can run at speeds of up to 50 miles per hour.
* Emus are territorial animals and they will defend their territory from other emus and predators. Ostriches are also territorial animals, but they are not as aggressive as emus.
Reproduction
* Emus lay their eggs in a communal nest and the eggs are incubated by the male emu. Ostriches also lay their eggs in a communal nest, but the eggs are incubated by both the male and female ostrich.
* Emu eggs are smaller than ostrich eggs. Emu eggs are about 2.4 to 3 inches in length, while ostrich eggs can reach lengths of up to 6 inches.
* Emu chicks hatch after about 56 days, while ostrich chicks hatch after about 42 days.
* Emu chicks are precocial, which means they are able to walk and feed themselves shortly after hatching. Ostrich chicks are also precocial, but they are not as developed as emu chicks at hatching.