•  
  •  
 

Document Type

Research

Abstract

While the phenomena connected with bird migration have been studied for more than two thousand years much is yet to be learned of this most interesting and still more or less obscure characteristic of our "feathered bipeds." In attempting to throw some light upon their movements new methods have been devised and, in a degree, perfected. Until recently it has been the aim of ornithologists to study the migratory habits of species or even of larger zoological groups; but of late an effort has been made to study individuals of a species by marking the birds in some permanent manner so that they may be subsequently observed and their movements definitely recorded.

Publication Date

1921

Journal Title

Proceedings of the Iowa Academy of Science

Volume

28

Issue

1

First Page

151

Last Page

159

Copyright

©1921 Iowa Academy of Science, Inc.

Language

en

File Format

application/pdf

Share

COinS
 
 

To view the content in your browser, please download Adobe Reader or, alternately,
you may Download the file to your hard drive.

NOTE: The latest versions of Adobe Reader do not support viewing PDF files within Firefox on Mac OS and if you are using a modern (Intel) Mac, there is no official plugin for viewing PDF files within the browser window.