. The bird; its form and function . ^ is the billof the species designed for a special method of procuringfood, but the bills of the two sexes are very different inform and use, and complement each others methods.Concerning the peculiar use of the bill in the Huia birds,. Fig. 193.—Bill of Purple Finch and Crossbill compared; the latter specializedfor extracting seeds from pine-cones. Professor Newton writes: Its favourite food is the grubof a timber-boring beetle, and the male bird with his shortstout bill attacks the more decayed portions of the wood,and chisels out his prey, while the femal

GLIX-115-2CNEBYK

. The bird; its form and function . ^ is the billof the species designed for a special method of procuringfood, but the bills of the two sexes are very different inform and use, and complement each others methods.Concerning the peculiar use of the bill in the Huia birds,. Fig. 193.—Bill of Purple Finch and Crossbill compared; the latter specializedfor extracting seeds from pine-cones. Professor Newton writes: Its favourite food is the grubof a timber-boring beetle, and the male bird with his shortstout bill attacks the more decayed portions of the wood,and chisels out his prey, while the femal
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. The bird; its form and function . ^ is the billof the species designed for a special method of procuringfood, but the bills of the two sexes are very different inform and use, and complement each others methods.Concerning the peculiar use of the bill in the Huia birds,. Fig. 193.—Bill of Purple Finch and Crossbill compared; the latter specializedfor extracting seeds from pine-cones. Professor Newton writes: Its favourite food is the grubof a timber-boring beetle, and the male bird with his shortstout bill attacks the more decayed portions of the wood,and chisels out his prey, while the femal

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