Introduction 3

Background 4

Description 4

Population status 4

Migratory movements 4

Feeding habits 5

Individual identification 5

Research Methods 6

Sighting reports 6

Vessel effort 6

Photo-identification techniques 6

Examination of dead gray whales 9

Data analysis 10

Results 11

Sighting reports form the public 11

Sightings from vessel surveys 11

Individual identification 12

Duration of stay (tenure) 14

Behavior and feeding 14

Gray whale deaths 16

Watching Gray Whales 22

How To Report Gray Whale Sightings & Provide Photos 24

Recommended Reading 25

Acknowledgements 26

References 27

Download Adobe Acrobat Reader to view the chapters (provided in PDF format)

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Introduction	3

Background	4
Description	4
Population status	4
Migratory movements	4
Feeding habits	5
Individual identification	5

Research Methods	6
Sighting reports	6
Vessel effort	6
Photo-identification techniques	6
Examination of dead gray whales	9
Data analysis	10

Results	11
Sighting reports form the public	11
Sightings from vessel surveys	11
Individual identification	12
Duration of stay (tenure)	14
Behavior and feeding	14
Gray whale deaths	16

Watching Gray Whales	22

How To Report Gray Whale Sightings & Provide Photos	24

Recommended Reading	25

Acknowledgements	26

References	27


*Download Adobe Acrobat Reader* to view the chapters (provided in PDF format)**

Back to Cascadia's home page