. Michigan bird life : a list of all the bird species known to occur in the State together with an outline of their classification and an account of the life history of each species, with special reference to its relation to agriculture ... . .From Bird Lore. Courtesy of Frank M. Chapman. through the summer and only relinquishing it in September from thefirst to the tenth. According to Ridgway It is probable that we have no more beneficialbird than this species, noxious and destructive insects of numerous kindsconstituting its principal food (Birds of IlHnois, p. 182). All the vireosare simila
. Michigan bird life : a list of all the bird species known to occur in the State together with an outline of their classification and an account of the life history of each species, with special reference to its relation to agriculture ... . .From Bird Lore. Courtesy of Frank M. Chapman. through the summer and only relinquishing it in September from thefirst to the tenth. According to Ridgway It is probable that we have no more beneficialbird than this species, noxious and destructive insects of numerous kindsconstituting its principal food (Birds of IlHnois, p. 182). All the vireosare similar in their feeding habits and spend most of their time gleaninginsects from the foliage of shrubs and trees. Probably they consumemore spanworms and leaf-rollers than any other group of birds, but theyare not slow to avail themselves of any unusual supply of insects andthey eat beetles, bugs, and even grasshoppers apparently with equalreadiness and impartiality. Professor Aughey of Nebraska found thatduring years of invasion by the Rocky Mountain locust the Red-eyedVireo ate the young hoppers very freely, four-fifths of its food at one timeconsisting of this species. During the late summer and autumn the Red-eye eats seeds and berries. Plate LVII. Red-eyed photograph of mounted specimen.(Original.) LAND BIRDS. 569 of various kinds, being particularly fond of the berries of the spice bush orbenzoin and of sassafras. It also eats raspberries, blackberries, wildcherries, viburnum, and a great variety of other fruits, but these usuallyin small quantities, and so far as we know, never of cultivated bird may be said to have absolutely no bad habits and to confer markedand continuous benefits on the horticulturist and farmer. TECHNICAL DESCRIPTION. Bill slightly hooked at tip; rictal bristles evident; no spurious first primary; no wing-bars. Adult (sexes alike): Top of head ashy-gray; rest of upper parts olive-green, this coloredging all the wing and tail-feat
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Keywords: ., bookcentury1900, bookdecade1910, bookidmichiganbird, bookyear1912
