Question

Which of the following is not a flight adaptation?

• A. Uncinate processes of thoracic ribs
• B. Formation of pygostyle
• C. Fusion of pelvis with synsacrum
• D. Short, stout, peg like beak

Answer 1

Answer: (D)

Short, stout, peg like beak

Of the given options short, stout peg like beak is not a flight adaptation by the birds. Birds have pneumatic bones with the fusion of pelvis with synsacrum which provides their body streamline structure and help in flight. Pygostyle present in the bird provides the support to tail feathers in birds.