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Publications for publication type Book chapter
- Sampling in rugged terrain, 1981, 6
- Methods of detecting and counting raptors: A review, 1981, 6
- The role of observer bias in the North American Breeding Bird Survey, 1981, 6
- Neoplasia and other disease problems in black-footed ferrets: Implications for an endangered species, 1981,
- A funding source for sandhill crane research: The Accelerated Research Program for Migratory Shore and Upland Game Birds, 1981,
- Roads and roadside habitat in relation to small mammal distribution and abundance, 1981,
- [Comments on] 'A windshield and multivariate approach to the classification, inventory, and evaluation of wildlife habitat: An exploratory study,' by C.E. Grue, R.R. Reid, and N.J. Silvy, 1981,
- Physiology of the eggshell thinning response to DDE, 1981,
- Interpreting population estimates of birds following pesticide applications--behavior of male starlings exposed to an organophosphate pesticide, 1981,
- Estimates of avian population trends from the North American Breeding Bird Survey, 1981, 6
- The role of captive propagation in preserving endangered species, 1981,
- Techniques for sampling avian habitats, 1981,
- Characterization of petroleum hydrocarbons in tissues of birds killed in the Amoco Cadiz oil spill, 1981,
- PCBs and organochlorine pesticides in wild mink and river otters from Oregon, 1981,
- The Puerto Rican parrot (Amazona vittata): Its decline and the program for its conservation, 1981, 1
- Discriminant analysis in wildlife research: Theory and applications, 1981,
- Nutritionally-related diseases of captive-reared cranes and ratites, 1981,
- Distance estimation as a variable in estimating bird numbers from vocalizations, 1981,
- Saving the Newell's shearwater, 1981,
- Reappraisal of the Winter Bird-Population Study technique, 1981,
- Bird activity levels related to weather, 1981,
- Effect of time of day on bird activity, 1981,
- Polychlorinated biphenyls in a wild mink population, 1981,
- Length of count period as a possible source of bias in estimating bird densities, 1981,
- Introductory Remarks: Species variability, 1981,
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