Features OF THE Peacock feathers Structure

Автор(и)

  • V. K. Kostyuk
  • A. V. Voloshchuk
  • V. K. Chepil

Анотація

Pen-feather of the peacock is divided into primary, secondary and tertiary. There are 10 primary pen-feathers in the region of the hand, 16 secondary pen-feathers in the region of the forearm, 8 tertiary pen-feathers in the region of the upper arm. The wing is made of 4 feathers.

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