. Nützliche Vögel und deren Schutz. Enthält kurze Beschreibungen der häufigsten und nützliche Arten von Massachusetts, mit Berichten über ihre Ernährungsgewohnheiten, und ein Kapitel über die Mittel zur Gewinnung und Schutz der Vögel. Vögel, Vögel. 208 NÜTZLICHE BIED 8.. Abb. 73. - Gelb-throated Vireo, 2/3 natürliche Größe. Allgemein gibt es in der Zucht gesehen als in tiefen Wäldern. Das Nest dieses Vogels, der über eine Woche in der build-Ing, ist äußerlich eine Der handsomest Exemplare der Vogel Architektur, überall zu finden. Es ist schwer zu sehen, wie es möglich ist, für einen Vogel zu Con-struct wie

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. Useful birds and their protection. Containing brief descriptions of the more common and useful species of Massachusetts, with accounts of their food habits, and a chapter on the means of attracting and protecting birds. Birds; Birds. 208 USEFUL BIED8.. Fig. 73. —Yellow-throated Vireo, two-thirds natural size. commonly seen there in the breeding season than in deep woods. The nest of this bird, which is about a week in the build- ing, is outwardly one of the handsomest specimens of bird architecture to be found anywhere. It is difficult to see how it is possible for a bird to con- struct such a nest, and cover it so tastefully with lichens and plantdown. Undoubtedly the skillful use of caterpillars' web ves in attaching these ornamen- materials. The bird is comparatively deliber- ate in both song and movement, and, though naturally shy when it was con- fined to the open woods, it has now become rather fearless, and may be readily watched with a glass as it moves among the tall trees. The song i.s a little louder than that of most Vireos, and may be easily distinguished from all others. It usually consists of two or three rich and virile notes, uttered interrogatively or tentatively, followed immediately by a few similar tones uttered decisively. The bird appears to ask a question, and then answer it. Its alarm notes are as harsh as those of an Oriole, and somewhat similar in quality. This Vireo should be most carefully protected and encour- aged to breed about the homes of man, for it feeds upon pests of the household, forest, and orchard. Common house flies and mosquitoes are eaten. In the orchard it attacks the apple plant lice, the hairy tent, gipsy, and tussock cater- pillars, as well as moths of many species. It is quite de- structive to the larvae of butterflies also, while weevils and other beetles, grasshoppers, and leaf hoppers are eaten to a less extent. This species eats a few unimportant wild ber- ries, such as the fruit of the red cedar; but so far a

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