T252 Matriline

Research done by the Center for Whale Research, Transient Killer Whale Project, Bay Cetology, and California Killer Whale Project

T252 Matriline

Current Matriarch: T252/CA173/OCT023/U031

Number of Individuals: 10 (6 living- 3 female, 1 male, 2 unknown gender; 4 deceased- 4 unknown gender)

T252/OCT023/U031 (Female; <1972)
- T250/CA172/OCT022/U034 (Female; ~1989)
  - T250A/CA172A (Unknown; ?-? (?))
  - T250B/CA172B (Unknown; >2012-2016 (>4))
    - Birth year unknown but is based on the first known mention of them
  - T250C/CA172C (Unknown; 2017-2022 (5))
  - T250D/CA172D (Unknown; 2022)
- T251/CA166/OCT021/U033 (Male; ~1982)
- T253/OCT024/CA173/U052 (Female; 2001)
  - T253A/CA173A (Unknown; 2019)
T252A/CA173A (Unknown; 2006-2014 (8))

Photo Credit: Gary Sutton
T252/CA173/OCT023/U031

Photo Credit: Brendon Bissonnette
T250/CA172/OCT022/U034

Photo Credit: Pacific Imagery
T251/CA166/OCT021/U033

Photo Credit: Photo-identification Catalogue of Bigg’s (Transient) Killer Whales From Coastal Waters of British Columbia, Northern Washington, and Southeastern Alaska
T250C/CA172C

Photo Credit: Gary Sutton
T253/OCT024/U052

Photo Credit: Gary Sutton
T253A

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