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Author / Creator / Contributor
- 11073Gruhn, Dr. Ruth
- 8531Bryan, Dr. Alan L.
- 4502Meghan Ward
- 2545Bryan, Alan L., Dr.
- 2409University of Alberta Department of Anthropology
- 2143Halpern, Joel Martin
Year
Collections
- 11156Anthropology, Department of
- 11156Anthropology, Department of/Bryan/Gruhn Archaeology Collection
- 2143Joel Martin Halpern Image Archive
- 2143Joel Martin Halpern Image Archive/Northern North America Collection
- 1178Documents of Contemporary War
- 1116Documents of Contemporary War/Raw Images
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2021-01-01
The grasslands of North America have been dramatically changed by the conversion of native prairie to cropland. All in all, we have lost roughly 80% of North American grasslands, and about 75% of species at risk in Alberta are found in grassland ecosystems. Ferruginous Hawks, the largest hawk in...
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