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In Great Britain we see well-marked sexual differences, for instance, in the wild-duck which pairs with a single female, the common blackbird, and the bullfinch which is said to pair for life. I am informed by Mr. Wallace that the like is true of the Chatterers or Cotingidae of South America, and of many other birds.
So it is with the females of most of the Cotingidae, Fringillidae, and many other families. There can indeed be no doubt that, as a general rule, the females have been less modified than the males. In the Bourbon species the female appears to have partially retained an immature condition of plumage, for at first sight she "might be taken for the young of the Mauritian species."
Cotingidae, sexual differences in; coloration of the sexes of; resemblance of the females of distinct species of. Cottus scorpius, sexual differences in. Coulter, Dr., on the Californian Indians. Counting, origin of; limited power of, in primeval man. Courage, variability of, in the same species; universal high appreciation of; importance of; characteristic of men.
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