. Beginners' Zoology . ies, these birds rarely leave any conspicuous mark ona healthy tree, except when it is affected by wood-boring larvae,which are accurately located, dis-lodged, and devoured by the wood-pecker. Of the flickers or yellow-hammers stomachs examined, threewere completely filled with of the birds eachcontained more than3,000 ants, while thethird bird contained fully5,000. These ants be-long to species whichlive in the ground. It isthese insects for whichthe flicker is reachingwhen it runs about in thegrass. The yellow-belliedwoodpecker or sapsuckeriSphyrapicus varius)
. Beginners' Zoology . ies, these birds rarely leave any conspicuous mark ona healthy tree, except when it is affected by wood-boring larvae,which are accurately located, dis-lodged, and devoured by the wood-pecker. Of the flickers or yellow-hammers stomachs examined, threewere completely filled with of the birds eachcontained more than3,000 ants, while thethird bird contained fully5,000. These ants be-long to species whichlive in the ground. It isthese insects for whichthe flicker is reachingwhen it runs about in thegrass. The yellow-belliedwoodpecker or sapsuckeriSphyrapicus varius) was shown to be guilty of pecking holes inthe bark of various forest trees, and sometimes in that of apple trees, and of drinking thesap when the pits becamefilled. It has been proved,however, that besides tak-ing the sap the bird cap-tures large numbers ofinsects which are attractedby the sweet fluid, andthat these form a veryconsiderable portion ofits diet. The woodpeck-ers seem the only agentswhich can successfully. Fig. 327.— Lyre Bird, male.
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Keywords: ., bookcentury1900, bookdecade1920, bookidbeginnerszoo, bookyear1922
