Author | : Bernd Heinrich |
File Size | : 52,9 Mb |
Publisher | : Simon and Schuster |
Language | : English |
Release Date | : 07 October 2014 |
ISBN | : 9781476794563 |
Pages | : 400 pages |
Ravens in Winter by Bernd Heinrich Book PDF Summary
Presents a detailed investigation into the feeding behavior of ravens during four winters in Maine and comes up with several unexpected conclusions.