Many Latin American universities (UNAM, Universidad de Buenos Aires, Universidad de Chile) have digitized copies for internal use. If you are a student, use your .edu email or library proxy.
Instead of searching for Maier’s copyrighted PDF, search for open-access textbooks on ethology. For example:
Your search for "comportamiento animal un enfoque evolutivo y ecologico richard maier pdf better" reveals a genuine desire to learn. But remember: Richard Maier would be the first to tell you that animal behavior is about flexible strategies, not rigid solutions. If you cannot find Maier’s PDF, do not get stuck
The best PDF is the one that teaches you to ask:
If you cannot find Maier’s PDF, do not get stuck. Use Alcock. Use Krebs & Davies. Use open-access journals. The evolutionary-ecological approach is bigger than any single file. If you cannot find Maier’s PDF
And when you finally master the subject, pay it forward: share legal resources, cite authors properly, and contribute to a world where knowledge is both accessible and ethical.
Final Recommendation: Visit your university library’s interlibrary loan service. Request the physical copy of Maier. Scan the chapters you need (fair use). That single scanned chapter will be infinitely better than any malware-ridden PDF from a dubious website. pay it forward: share legal resources
Suggested citation for Maier (if you find it):
Maier, R. (2001). Comportamiento animal: un enfoque evolutivo y ecológico. McGraw-Hill Interamericana.
Now go study—ethologically. 🐾