Embedded Files
Research done by OrcaLab and Bay Cetology
I1 Matriline
I1 Matriline
Current Matriarch: I40, I54 (Matrilines considered separate despite family ties)
Number of Individuals: 36 (25 living- 10 female, 4 male, 11 unknown gender; 10 deceased- 3 female, 3 male, 5 unknown gender)
I1 (Female; ~1956-1993 (~37))
Presumed sister of I3
I19 (Female; ~1971- 2015? (~44?))
 Death year is not know for certain. I'm basing it off the first ID guide that she's listed as deceased in (2015)
I54 (Female; 1983)
I54 and her offspring rarely travel with the rest of the I19s
I71 (Female; 1993)
I112 (Male; 2006)
I131 (Unknown; 2010)
I167 (Male; 2019)
I81 (Unknown; 1997-2002 (5))
I97 (Male; 2002)
I114 (Unknown; 2006- 2015? (9?))
Death year is not know for certain. I'm basing it off the first ID guide that they're listed as deceased in (2015)
I142 (Unknown; 2013)
I56 (Unknown; 1986-1992 (6))
I70 (Unknown; 1993-1993 (<1))
I92 (Female; 1999)
I125 (Female; 2008)
I173 (Unknown; 2022)
I155 (Unknown; 2017)
I178 (Unknown; 2024)
I117 (Male; 2005-2021 (16))
I132 (Unknown; 2010)
I23 (Male; 1974- ~2008-2010? (34-36?))
Death year is unknown but is between 2008 and 2010
I40 (Female; 1980)
I69 (Female; 1991)
I113 (Male; 2006)
I140 (Unknown; 2013)
I82 (Female; 1994- 2015? (21))
Death year is not know for certain. I'm basing it off the first ID guide that they're listed as deceased in (2015)
I116 (Female; 2006)
I162 (Unknown; 2019)
I90 (Female; 1999)
I139 (Unknown; 2012)
I169 (Unknown; 2020)
I115 (Unknown; 2005- 2015? (10?))
Death year is not know for certain. I'm basing it off the first ID guide that she's listed as deceased in (2015)
I133 (Female; 2010)
I177 (Unknown; 2024)
I156 (Female; 2017)
I3 (Male; ~1956-1996 (~40))
Presumed brother of I1. Dorsal fin fully collapsed to the left side
Photo Credit: Killer Whales: The Natural History and Genealogy of Orcinus Orca in British Columbia and Washington State
I3
Photo Credit: Northern resident killer whales in British Columbia. Photo-identification catalogue 2007.
I23
Photo Credit: Photo-identification Catalogue and Status of the Northern Resident Killer Whale Population in 2019
I54
Photo Credit: Bay Cetology
I112
Photo Credit: Killer Whales: The Natural History and Genealogy of Orcinus Orca in British Columbia and Washington State
I1
Photo Credit: Northern Resident Killer Whales of British Columbia: Photo-identification Catalogue and Population Status to 2010
I19
Photo Credit: Photo-identification Catalogue and Status of the Northern Resident Killer Whale Population in 2019
I71
Photo Credit: Bay Cetology
I131
Photo Credit: Bay Cetology
I167
Photo Credit: Killer Whales: The Natural History and Genealogy of Orcinus Orca in British Columbia and Washington State
I81
Photo Credit: Bay Cetology
I97
Photo Credit: Northern Resident Killer Whales of British Columbia: Photo-identification Catalogue and Population Status to 2010
I114
Photo Credit: Bay Cetology
I142
Photo Credit: Killer Whales: The Natural History and Genealogy of Orcinus Orca in British Columbia and Washington State
I56
Photo Credit:Â Killer Whales: The Natural History and Genealogy of Orcinus Orca in British Columbia and Washington State
I70
Photo Credit: Bay Cetology
I92
Photo Credit: Photo-identification Catalogue and Status of the Northern Resident Killer Whale Population in 2019
I125
Photo Credit: Bay Cetology
I173
Photo Credit: Bay Cetology
I155
Photo Credit: Photo-identification Catalogue and Status of the Northern Resident Killer Whale Population in 2019
I117
Photo Credit: Bay Cetology
I132
Photo Credit: Bay Cetology
I40
Photo Credit: Photo-identification Catalogue and Status of the Northern Resident Killer Whale Population in 2019
I69
Photo Credit: Bay Cetology
I113
Photo Credit: Bay Cetology
I140
Photo Credit: Northern Resident Killer Whales of British Columbia: Photo-identification Catalogue and Population Status to 2010
I82
Photo Credit: Bay Cetology
I116
Photo Credit: Bay Cetology
I162
Photo Credit: Bay Cetology
I90
Photo Credit: BayCetology
I169
Photo Credit: Bay Cetology
I139
Photo Credit: Northern Resident Killer Whales of British Columbia: Photo-identification Catalogue and Population Status to 2010
I115
Photo Credit: Photo-identification Catalogue and Status of the Northern Resident Killer Whale Population in 2019
I133
Photo Credit: Bay Cetology
I156
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