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Updated: April 30, 2025
This shows the great importance of pulling out the feathers as soon as they show signs of ceasing to grow, in order to obtain the abnormally long feathers. The central rectrices continued to grow till the beginning of September 1903, when that of the left side was 3 feet 6 inches long, that of the right about an inch shorter.
In cock A growth continued till the end of the following March, when the longest feathers, the central rectrices, 2 feet 4-1/2 inches long. The effect of stroking in cock B was to pull out from time to time one of the growing feathers.
The feathers in the tail were seven pairs of rectrices, two rows of tail coverts, anterior and posterior, four or five pairs in each row, a number of transition feathers: all these were steel-blue, almost black; in front of them on the saddle were a number of reddish yellow, very slender saddle hackles.
Are they rowers and coverts too?" "A bird does not row with his tail he steers with it, as if it were a rudder; and the long feathers are therefore called rudder-feathers or rectrices, which is Latin for rudders. But the short ones are called coverts, like those of the wings upper tail-coverts, and under tail-coverts."
In cock A only four of the short outer rectrices were moulted in the beginning of September 1902: the longer feathers namely, central rectrices and tail coverts which ceased to grow naturally in the spring of 1902, were not moulted till the beginning of October.
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