. 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 ... . enin August. Nesting begins in the southern counties from the midtlle to the end ofMay, and nests with eggs appear to be most aLundant during the firstweek in June, yet many eggs ai-e found late in June and occasionally evenearly in July, though the evidence of two broods is not complete. The nests vary much in location, but are very rarely more than twen
. 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 ... . enin August. Nesting begins in the southern counties from the midtlle to the end ofMay, and nests with eggs appear to be most aLundant during the firstweek in June, yet many eggs ai-e found late in June and occasionally evenearly in July, though the evidence of two broods is not complete. The nests vary much in location, but are very rarely more than twentyfeet from the ground, the great majority not even ten feet up. They arebuilt of grasses, strips of bark, and various hemp-like threads, thoroughlyinterwoven, often held together by spideis webs and caterpillars silk,and commonly lined with fine grass and sometimes a few horse nest is seldom bulky, but is usually compact and well nuide, dee|)lyhollowed and quite durable. It is sometimes found in the fork of ahorizontal l)ranch, but usually in the upright crotch of a small tree orlarge bush, where it is firndy seated but seldom well concealed. As aresult the bird is very fi-ecpicntly victimized by the Cowbird, and an immense. 052 MICHIGAN BIRD LIFE. number of nests must be deserted each year on this account. This factalone is probably sufficient to account for the large number of nests foundlate in June and early in July. The eggs are three to five, but most often four, white, greenish-whiteor grayish-white, speckled with brown and lilac, and average .63 by 48inches. There is much variation in the ground color and the size of thespots, so that in a dozen sets of eggs no two may resemble each otherclosely. This is one of the most restless and active of our warblers, seldom quietfor a moment, but always flitting about, snapping at insects on the wing,opening and closing the tail, spreading the wings and generally makingitself conspicuous. According to Audubon: Its pleas
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Keywords: ., bookcentury1900, bookdecade1910, bookidmichiganbird, bookyear1912
