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Updated: June 11, 2025
There was, however, in an enormous baobab, marabout nests, formed of a few sticks, and "souimangas" nests, birds with scarlet breasts and throats, which resemble those of the tissirms; then "widows," that strip the thatch for the benefit of their family; "calaos," whose song was agreeable, bright gray parrots with red tails, which, in the Manyema, are called "rouss," and give their name to the chiefs of the tribes; insectivorous "drougos," similar to gray linnets, with large, red beaks.
It is a modified instinct, the instinct for food seeking new sources of supply. Exactly how it came about would be interesting to know. Our oriole is an insectivorous bird, but in some localities it is very destructive in the August vineyards. It does not become a fruit-eater like the robin, but a juice-sucker; it punctures the grapes for their unfermented wine.
Owing to the terrible winter and early spring months of the previous year, so many of the insectivorous birds had been destroyed, that the caterpillars had escaped, and were more numerous than ever in the following spring. The oaks in places were completely stripped of their foliage by the larvae of Tortrix viridana, almost as soon as the leaves were out.
Soon afterwards a vast number of winged males and females issue forth, the females measuring two and a quarter inches in expanse of wing, though the males are much smaller. Few of them, however, escape to enjoy existence, for they are immediately set upon by numbers of insectivorous animals and devoured. The few females who escape become the mothers of new colonies.
It includes several species, differing entirely from one another on the subject of nutrition, and closely resembling some already described. Some are both carnivorous and insectivorous, and are therefore armed with powerful canines, and with molars like those of the hedgehog. Others are herbivorous, like hares, and have almost the jaws of a rodent.
There are many others, with variously less efficient and less advantageously arranged insectivorous apparatus, which, in the language of the new science, may be either on the way to acquire something better, or of losing what they may have had, while now adapting themselves to a proper vegetable life.
This animal is about two feet, long and resembles a rat, but having a long prehensile snout and the habits of an ant-eater, it is considered to be a remnant of the early zooelogical type from which diverged both the rodents and the insectivorous animals of the present. The Spaniards introduced the European domestic animals, which immediately began to flourish.
Third, To protect the farmer and fruit grower from the enormous losses that the destruction of our insectivorous and rodent-eating birds is now inflicting upon both the producer and consumer. Fourth, To protect our forests, by protecting the birds that keep down the myriads of insects that are destructive to trees and shrubs.
If a different case had been taken, and it had been asked how an insectivorous quadruped could possibly have been converted into a flying bat, the question would have been far more difficult to answer. Yet I think such difficulties have little weight.
Amongst other points Professor Huxley called attention to the resemblance between the anterior molars of the placental dog with those of the marsupial thylacine. These, indeed, are strikingly similar, but there are better examples still of this sort of coincidence. Thus it has often been remarked that the insectivorous marsupials, e.g.
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