Distinguish between flying birds and flightless birds???

Dear student,

Here are the difference between the two:-
1) Flying birds are smaller in size  than flightless birds. 
2) Wings of flightless birds are poorly developed as compare to flying birds.
3) Tail quills are present in flying birds while it is absent in flightless birds.
4) Flying birds have well developed fight muscles as compare to flightless birds.
5) The copulatory organs are present in flightless birds while, it is absent in flying birds.
   E.g., of Flying birds : Parrot, Crow etc.
   E.g., of Flightless birds : Penguin, Kiwi etc.

Regards

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Flying birds (Carinatae) Flightless birds (Ratitae) 1.         Usually small in size Usually large in size 2.         Well developed wings Poorly developed wings 3.         Interlocking mechanism in feathers is present Absent 4.         Tail quills are present Absent 5.         Oil gland is present Absent 6.         Well developed flight muscles Reduced fight muscles 7.         Keel is present in breast bone Absent 8.         Shortlegs Long and stout legs 9.         Copulatory organ is absent in males Present 10.     The young are naked without feathers (altricious) The young are with feathers (precocious)  11.     Cosmopolitan distribution (found everywhere) Discontinuous distribution 12.     E.g. Crow, Columba, Parrot etc Struthio, Kiwi, Penguine etc

IF HELPFUL PLZ LIKE IT FIRST IS FOR FLYING AND SECOND IS FOR FLIGHTLESS 
  • 3
yup
  • 0
YES!
  • 1
KAILASH 
 
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