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Presents a study that compared the nesting ecology of barrow's goldeneye and bufflehead in natural cavities in the Cariboo Parklands in British Columbia. Analysis of the physical characteristics of the nest sites; Examination of the clutch sizes of the two birds; Investigation of the sources of predation in the nest sites.

Presents a study that applied several techniques to examine the chronology and synchrony of breeding events of the marbled murrelet population at Desolation Sound, British Columbia. Estimation of the duration of breeding by marbled murrelets; Comparison of several methods to estimate breeding chronology; Examination of the interannual variability of the breeding behavior of marbled murrelets; Analysis of the breeding synchrony of marbled murrelets.

Presents a study that reported a significant male bias in dawn and dusk nest visitations of breeding by radio-marked marbled murrelets during the chick rearing period in Desolation Sound, British Columbia, Canada, from 1998-2000. Methodology; Radio-tracking; Statistical analysis.

Provides information on a study that examined a population of individually marked Harlequin Ducks at White Rock, British Columbia. Considerations in expecting population genetic differentiation among birds which pair away from breeding grounds during the winter months; Methodology; Results and discussion.

Focuses on a study which examined the seasonal movements of Marbled Murrelets or Brachyrampus marmoratus through systemic banding programs. Banding of birds with stainless steel leg bands in Theodosia Inlet, part of Desolation Sound, British Columbia; Examination of published papers and reports related to banding of Marbled Murrelets; Direct evidence of the migration between breeding and nonbreeding areas.

Presents a study which documented the chronology of pair formation in a population of wintering Harlequin Ducks, in southwestern British Columbia. Methods used to conduct the study; When pair bonds are formed in migratory bird species; Results of the study.