. Birds of California; an introduction to more than three hundred common birds of the state and adjacent islands, with a supplementary list of rare migrants, accidental visitants, and hypothetical subspecies . ntrance is round,about one and a half inches in diameter,and the interior is from eight to thirteeninches deep. From four to seven whiteeggs are laid on a thin lining of sawdustmade by the excavating. Bothmale and female brood during thefourteen days required for incuba-tion. The young are fed by re-gurgitation at first, and afterwardsupon the large black ants so nu-merous in all the dea
. Birds of California; an introduction to more than three hundred common birds of the state and adjacent islands, with a supplementary list of rare migrants, accidental visitants, and hypothetical subspecies . ntrance is round,about one and a half inches in diameter,and the interior is from eight to thirteeninches deep. From four to seven whiteeggs are laid on a thin lining of sawdustmade by the excavating. Bothmale and female brood during thefourteen days required for incuba-tion. The young are fed by re-gurgitation at first, and afterwardsupon the large black ants so nu-merous in all the dead pine remain in the nest nearlyfour weeks and, for at least tendays after leaving it, are fed and (^cared for by both parents, returningto the old nursery to sleep at nightwhile the adults remain on guardoutside. Dr. Merrill, U. S. A., has studiedthe habits of this bird thoroughly,and written of it as follows: I haverarely heard this Woodpecker ham-mer, and even tapping is rather un-common. So far as I have observed,— and during the winter I watched it carefully, — itsprincipal supply of food is obtained in the bark, most of thepines having a very rough bark, scaly and deeply Ipftil
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Keywords: ., bookauthorwhee, bookcentury1900, bookdecade1910, booksubjectbirds
