Alfred Newton, 1911 Encyclopædia Britannica, Volume 16… (1911)
“ Its intensity seems due, however, in some degree at least, to the weathering of the brown fringes of the feathers which hide the more brilliant hue, and in the Atlantic islands examples are said to retain their gay tints all the year round, while throughout Europe there is scarcely a trace of them visible in autumn and winter; but, beginning to appear in spring, they reach their greatest brilliancy towards midsummer; they are never assumed by examples in confinement. The linnet begins to breed in April, the nest being generally placed in a bush at no great distance from the ground. ”
