Serge Elia :
ostrich ( below ) and emus ( above ) are both members of theratitegroup of expectant , flightlessbirdsthat are dispel throughout the Southern Hemisphere , include Africa ( the ostrich ’s cooking stove ) and Australia ( the emu ’s range of mountains ) .
The twoanimalsshare many forcible characteristic , such as broad eyes ; an elongated , unfeathered cervix ; long , strong legs that split into explosive stop number when on the run ; long , dagger - like nipper at the end of their feet ( which they employ smartly to defend themselves ) ; underdeveloped breast muscles ; retrogressed flight of stairs feathers ; and prominent wings that are used not for flight , but for suit . to boot , the male and females of both specie are polygamous , and their ballock ’ shells have a thickness so great that the hatchling grow more rapidly than any other doll .
But the two birds also have difference in terms of size , bionomics , and behavior . Although emus are the largest birds in Australia ( weigh around 80 to 90 pounds apiece ) , they ’re turn over jolly modest when liken to a fully grown ostrich , which is the largest bird on Earth ( they ’re about three times the size of an electromagnetic unit , weighing around 220 to 265 pounds ) . While emus are mostly omnivores , feeding on plants as well as invertebrates like spider and scorpion , ostrich tend to develop a strictly herbivorous dieting ( though they may eat on insects ) .
Moreover , emus have three toes on their foot while Struthio camelus have two toe plus a retentive tendon that allows them to persist at speeds of up to nearly 45 miles per hour , whereas emus loosely top out at 30 mph . in conclusion , the Emu novaehollandiae is sometimes considered more docile toward humans than the ostrich .
Still , despite their differences , emus and ostriches do have similarities , and so they remain tangentially related to each other , since they are both flightless birds that are part of the ratite group as mentioned earlier . Which much makes them cousins .
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