1968/69 Postdoctoral (Harkness Fellow), Department of Geography, University of Chicago.
1967/68 Postdoctoral (Harkness Fellow), Department of Geography, University of California, Berkeley.
1967 Ph. D. (Dr. rer. nat.) in zoology, summa cum laude, University of Bonn. Minors: botany, chemistry.
1961 Foreign student in Italy, University of Cagliari: field ecology and ornithology (12 months).
1960 University of Bonn. Major: zoology; minors: botany, geography.
Fields of Study
- Hicks, J. J. & H. S Walter. 2009. Population decline of the Island Loggerhead Shrike (Lanius ludovicianus anthonyi) in the California Channel Islands. Wilson J. of Ornithology 121: 184-187.
- Hahn, I.,U. Romer, P. Vergara & H. S. Walter. 2009. Biogeography, diversity, and conservation of the Juan Fernandez Islands, Chile.Vertebrate Zoology 59: 102-114.
- Walter, H. S. & G. A. Levin. 2008. Feral sheep on Socorro Island: facilitators of alien plant colonization and ecosystem decay. Diversity and Distributions 14: 422-431.
- Feeley, K.J,T.W. Gillespie, D.J. Lebbin & H. S. Walter. 2007. Species characteristics associated with extinction vulnerability and nestesness rankings of birds in tropical forest fragments. Animal Conservation 10: 493-501.
- Walter, H. S. 2007. A better Salton Sea for our birds. Western Tanager 73(3): 1-5
- Walter, H. S. 2005. Extinction at our doorstep: what happened to the Island Loggerhead Shrike? Western Tanager 71 (4): 1-3.
- Walter, H. S. 2004. Understanding places and organisms in a changing world. TAXON 53: 905- 910.
- Walter, H. S. 2004. The mismeasure of islands: implications for biogeographic theory and the conservation of nature. Journal of Biogeography 31: 177-197. (PDF)
- Walter, H. S. 1998. Driving forces of island biodiversity: an appraisal of two theories. Physical Geography 19: 351-377.
- Walter, H. 1979. Eleonora's Falcon: adaptations to prey and habitat in a social raptor. University of Chicago Press, Chicago and London. 410 pp. (PDF)
Biogeography, particularly island biogeography, wildlife conservation, extinction processes, environmental effects of globalization and global heating, raptor ecology, endangered birds, conservation theory, climate change.