Publications
This list of publications includes peer-review journal articles, official USGS publications series, reports and more authored by scientists in the Ecosystems Mission Area. A database of all USGS publications, with advanced search features, can be accessed at the USGS Publications Warehouse.
Filter Total Items: 41771
Blood analyses of wolf pups and their ecological and metabolic interpretation
Blood samples were obtained from 32 wolf (Canis lupus) pups live-trapped over a three-year period in northern Minnesota. The results of 21 laboratory analyses of hematology and blood chemistry are tabulated and analyzed in terms of study area, age, sex, and year of co11ection. Mean values are compared to those reported for dogs in the same age group. The numerous differences between dog and wol
Authors
U. S. Seal, L. D. Mech, V. Van Ballenberghe
Thirty-ninth breeding bird census. 22. Hickory-oak-ash floodplain forest
No abstract available.
Authors
C.S. Robbins
Population trends in nongame birds in North America
No abstract available.
Authors
C.S. Robbins, A.J. Erskine
Thirty-ninth breeding bird census. 19. Upland tulip tree-maple-oak forest
No abstract available.
Authors
C.S. Robbins
Twenty-eighth winter bird-population study. 13. Upland tulip-tree-maple-oak forest
No abstract available.
Authors
C.S. Robbins
The age at first flight for young American ospreys
No abstract available.
Authors
Vernon D. Stotts, C. J. Henny
Yet another instance of bat versus ant
No abstract available.
Authors
R. H. Pine, D. R. Clark, T. Lufriu