Recovery Plan for the Southern Resident Killer Whales (Orcinus Orca)
Inbreeding in an endangered killer whale population
Inherently Wild Captive Orca Database
Photo-identification Catalogue and Status of the Northern Resident Killer Whale Population in 2019
Photo-identification Catalogue and Status of the Northern Resident Killer Whale Population in 2014
Northern resident killer whales in British Columbia. Photo-identification catalogue 2007
California Killer Whale Project (Facebook) (Instagram)
Killer Whales of California and Western Mexico: A Catalog of Photo-Identified Individuals
Transient Killer Whales of British Columbia and Southeast Alaska
Population Status Update for the Northern Resident Killer Whale (Orcinus orca) in 2020
Bay Cetology's Quarterly Population Updates for Bigg's Transient Killer Whales
Demographic features of killer whales in oceanaria in the United States and Canada, 1965-1987