ANT LANGUAGE http://www.the-scientist.com/yr1986/nov/features_861117.html This is a short and interesting article on language in ants that was stimulated by a talk by Lorenz. You may have to register (it is free) to read the article.
A KNEE-JERK REACTION http://drbeetle.homestead.com/instincts.html This document provides a brief summary of the differences between the three terms and gives some additional references.
SUSHI ANYONE? http://www.nytimes.com/books/first/d/dewaal-sushi.html This link is to the first chapter of The Ape and the Sushi Master: Cultural Reflections by a Primatologist by Frans de Waal.
ROCKIN' ROBIN http://cas.bellarmine.edu/tietjen/Ethology/introduction_to_ethology.htm This link provides a good introduction to ethology, and includes visuals and sounds of various animals being studied.
THE UPS AND DOWNS OF SMOKING http://www.nida.nih.gov/pdf/monographs/17.pdf This link is to a government monograph that deals with smoking behavior. There is a chapter on Opponent process of habitual behaviors dealing with smoking.