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Name few flightless birds?

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Name few flightless birds?
posted Jul 10 by Somu Chamakeri

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2 Answers

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an ostrich can't fly

answer Jul 12 by Comeback Tuesday
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Flightless birds are birds that through evolution lost the ability to fly. Two key differences between flying and flightless birds are the smaller wing bones of flightless birds and the absent (or greatly reduced) keel on their breastbone. The keel anchors muscles needed for wing movement. Flightless birds also have more feathers than flying birds.

There are over 60 extant species, and here is a few of them -

Ostrich
Emu
Cassowaries
Moa (extinct)
Elephant birds (extinct)
Kiwis
Rheas
Penguins
Great Auk (extinct)
Psittaciformes (Parrots)
Kakapo
Dodo (extinct)
Rodrigues Solitaire (extinct)

answer Jul 12 by Salil Agrawal
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