. 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 . of the ash are eatenby Grosbeaks andPurple the conifer-ous trees none aremore attractive to Fig. 157. —Seed catkins of the grav birch. . i • i ,i certain birds thanthe white pine, the pitch pine, and the larch or first two offer insect food to many Warblers ; their conesand shoots are utilized by birds and squirrels in winter. Thespruces and heml
. 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 . of the ash are eatenby Grosbeaks andPurple the conifer-ous trees none aremore attractive to Fig. 157. —Seed catkins of the grav birch. . i • i ,i certain birds thanthe white pine, the pitch pine, and the larch or first two offer insect food to many Warblers ; their conesand shoots are utilized by birds and squirrels in winter. Thespruces and hemlocks also have their following among thebirds. These conifers are valuable for the shelter they pro-vide in winter to all birds, from Owls to Sparrows. There are numerous fruit-bearing trees, shrubs, and vinesthat are essential to bird welfare. In the present state ofour knowledge of bird food it Avould not be difficult to namemost of these plants, giving with each a provisional list ofthe birds that feed upon it; but it will be sufficient for thepresent purpose to give merelv a list of the plants, indicat-ing by an asterisk wdiich are among the most important asfurnishino; food for a laro^e number of )) A List of Fruit-bearing Trees, Shrid>s, and Vines furnishing Food for BirdsWild sarsaparilla, ..... Aralia niidicaulis. * American mountain ash, . ^ . Sorhus americana. * European mountain ash, . , o Sorbus Aucuparia. * Staghoni sumach,. , . » » BJms tyiihina.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbirds, bookyear1913
