We update the results of a 22-year (1996-2017) collaborative study examining the abundance and the population structure of these animals
Gray whales (Eschrichtius robustus) in northwest Washington were studied, with the aims to: (1) increase understanding of gray whale use of
We found that PCFG whales often migrated together based on a review of identification photographs of migrating gray whales encountered
We document the occurrence of mothers and calves in the PCFG area over a more than 20-year period. Over the
During the northbound migration, a small number of individually identified gray whales (n=14) divert from the migratory path to enter
The majority of eastern North Pacific gray whales feed in the Bering, Chukchi, and Beaufort Seas. Photo-ID and genetics have
Despite extensive use of implant tags for more than 30 years in large whales, long-term consequences have generally only been
Deployment of tags on whales using approaches that either embed or anchor the tag into the blubber and muscle layer