Bart, Jonathan
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Wildfowl 57 - Standard Papers
Detection ratios on winter surveys of Rocky Mountain Trumpeter Swans Cygnus buccinator
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1991: Wildfowl Special Issue No. 1 - SECTION THREE: BREEDING
Demography of Eastern Population Tundra Swans Cygnus columbianus
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1991: Wildfowl Special Issue No. 1 - SECTION FIVE: HABITATS, FOOD AND FEEDING
Costs and benefits of extended parental care in Tundra Swans Cygnus columbianus columbianus
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1991: Wildfowl Special Issue No. 1 - SECTION SEVEN: MANAGEMENT AND CONSERVATION
On the use of capture-recapture methods for studying swans
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1991: Wildfowl Special Issue No. 1 - Preface
Comparative demography of the swans: a review
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