GEOGRAPHIC VARIATION IN SURFACE/VOLUME RATIO OF BILL OF RED-WINGED BLACKBIRDS IN RELATION TO CERTAIN GEOGRAPHIC AND CLIMATIC FACTORS

被引：11

作者：

POWER, DM

机构：

来源：

CONDOR | 1970年 / 72卷 / 03期

关键词：

D O I：

10.2307/1366007

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

引用

页码：299 / &

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