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Field Report: December 2020 »

Monk Seal Monday #117: 2020 In Review

January 4, 2021 by Kauai HMS Conservation Hui

Here are some year-end stats. Like everything for 2020, remember that these numbers are greatly influenced due to COVID-19, which paused the Kauai Hawaiian Monk Seal Conservation Hui’s volunteer program.

Grand sightings total: 

  • 2,005 or 5.5/day monk seal sightings on Kauai in 2020.
  • 3,154 or 8.9/day in 2019.
  • 3,253 or 8.9/day in 2018.
  • 3,621 or 9.9/day in 2017.
  • 3,236 or 8.9/day in 2016.
  • 3,321 or 9.1/day in 2015.
  • 2,516 or 6.9/day in 2014.

Kauai population: 

  • 67 unique individual seals sighted on Kauai in 2020.
  • 67 in 2019.
  • 60 in 2018.
  • 60 in 2017.
  • 56 in 2016.
  • 53 in 2015.
  • 47 in 2014.

Births: 3 total born on Kauai in 2020.

  • V00 (bleach-marked) born to RB00 in March.
  • V02 (bleach-marked) born RH58 to in August.
  • RM28 (flipper-tagged) born to RK28 in August.

Mortalities: 6 confirmed mortalities in 2020.

  • R313 and fetus: adult female with near full term fetus, necropsy pending.
  • RJ36: 3-year-old male, hook ingestion, necropsy pending.
  • RKA6: 2-year old female, mummified condition, cause of death unknown.
  • RL52: 1-year-old male, necropsy pending, case under investigation.
  • Weaned female pup, ID unknown, necropsy pending, case under investigation.
  • Subadult seal, sex and ID unknown, mummified condition, cause of death unknown, case under investigation.

Niihau Seals (likely): sighted a minimum of 8 new seals in 2020, but likely more as several new untagged seals had no markings or scars so no temporary IDs were given.

  • 8 in 2020.
  • 5 in 2019.
  • 9 in 2018.
  • 12 in 2017.
  • 6 in 2016.
  • 14 in 2015.

Displacements: 4 total displacements occurred.

  • 3 displacements from unsafe or unsuitable locations (boat ramps, beach roads, sidewalks, etc).
  • 1 displacements from the Poipu keiki pool. 

Vaccination for morbillivirus efforts: 

Due to COVID-19, fieldwork was minimal and no seals were vaccinated. Plans are in place to resume vaccinations in 2021.

Bleach marking effort: 

6 bleach marks were applied.

Stranding Responses in 2020: 

One monk seal stranding response and 6 carcass retrievals:

  • RK13 – gillnet wrapped around muzzle was removed with a pole mounted cutting tool. 

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Posted in R313, RB00, RH58, RJ36, RK13, RK28, RKA6, RL52, RM28 |

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