Mgbe "ụgbọ okporo ígwè" bụ n'ezie mejupụtara nke ukwuu elongated elu ọdụ mkpuchi na-amalite dị ka a dị iche iche ìgwè. The "ụgbọ okporo ígwè" bụ n'ezie mejupụtara nke ukwuu elongated elu ọdụ mkpuchi. The ọdụ onwe ya bụ aja aja na obere dị ka na peahen. The agba pụta bụghị site ọ bụla green ma ọ bụ-acha anụnụ anụnụ pigments ma si micro-ewuli nke feathers na n'ihi na ngwa anya phenomena. The ụgbọ okporo ígwè ogologo feathers (na tarsal spurs) nke nwoke ịzụlite naanị mgbe nke abụọ afọ nke ndụ.
Febụwarị