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Updated: June 24, 2025
From this time until he moults, late in July, every one in his vicinity may enjoy a free concert morning and evening, and at intervals during the day. Sometimes in cloudy weather he even sings at noon a time when birds are most likely to be silent.
Mute the Lavrac and forlorn While she moults those firstling plumes That had skimm'd the tender corn, Or the bean-field's od'rous blooms; Soon with renovating wing, Shall she dare a loftier flight, Upwards to the day-star sing, And embathe in heavenly light. Myrtle Leaf, that, ill besped, Pinest in the gladsome ray, Soiled beneath the common tread, Far from thy protecting spray;
Sexual differences Law of battle Special weapons Vocal organs Instrumental music Love-antics and dances Decorations, permanent and seasonal Double and single annual moults Display of ornaments by the males. Secondary sexual characters are more diversified and conspicuous in birds, though not perhaps entailing more important changes of structure, than in any other class of animals.
Moths, absence of mouth in some males; apterous female; male, prehensile use of the tarsi by; male, attracted by females; sound produced by; coloration of; sexual differences of colour in. Motmot, inheritance of mutilation of tail feathers; racket-shaped feathers in the tail of a. Moult, double; double annual, in birds. Moulting of birds. Moults, partial. Mouse, song of.
The young feed on apple, willow, maple, box-elder, or wild cherry leaves; and grow through a series of feeding periods and moults, during which they rest for a few days, cast the skin and intestinal lining and then feed for another period.
So, as Nature seldom allows unused tissues or organs to remain, these bones along the back become, in many species, reduced to a mere thread. The pieces of bone or horn which go to make up the shell, although so different in appearance from the skin, yet have the same life-processes. Occasionally the shell moults or peels, the outer part coming off in great flakes.
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