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Archive for the ‘R3CX’ Category

Field Report: June

The Kauai team logged 179 seal sightings this month (262 in May, 348 in April, 350 in March, 303 in Feb). This included 32 individually identified seals.

June: 179
May: 262
April: 348
March: 350
Feb: 303
Jan: 284

New:

  • Two male seals, RG22 and R3CX. were displaced from Poipu. (This is always done by trained personnel.)
  • Two adult seals, male RN02 and female R1KY were displaced off a beach road at the end of the Burns Field runway at Salt Pond Beach Park. Lifeguards assisted by closing the road until displacement occurred. (Again, this is only conducted with prior approval and by trained personnel.)

Updates:

  • Discussions and plans were set in place this month for the return and release of RH38 in July.
  • 2019 pups RL08 and RL52 continue to thrive at various north shore beaches.
  • Displacements: 6 displacements occurred this month. Two of these displacements were from the keiki pool, subadult male R3CX, which was his 4thdisplacement, and subadult female R7AA, which was her second displacement.
  • Molting: no seals were observed molting this month.
  • Vaccinations: Pup RL52 was given a booster vaccination this month.

Research/Support of Pacific Islands Fisheries Science Center (PIFSC):

  • Sub-sampled scat, molt, and tissue plug samples accordingly.
  • Logged all seal sightings for PIFSC database. Organized photos and reported sightings, molt tallies, survival factors to send to PIFSC.

 

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Every month, anywhere from 30 to 38 individual Hawaiian monk seals are reported to the Kauai Hawaiian Monk Seal Conservation Hui. But just who are these regulars? Here’s a look at the top ten most reported Hawaiian monk seal sightings on Kauai this year to date.

Keep in mind, many things affect this list. Monk seals often have favorite haul out locations. If a monk seal favors a location that happens to be easily accessible by humans, bingo, that seal will be reported more often to the hotline.

Then, of course, monk seal moms and their pups rack up a high number of reported sightings, because they stick to the same beach for weeks on end. As this list will also reveal, young monk seals–especially sub-adult males–are often sighted and reported, too.

  1. With 83 sightings, adult R7GM tops the list of most reported monk seal sightings on Kauai this year.  A female, it appears R7GM may be pregnant for the first time. If she pups on Kauai, her chances skyrocket for remaining at the top of this list for 2019.
  2. With 81 sightings, R3CX ranks second for the most reported monk seal sightings on Kauai. R3CX is a five-year-old male commonly seen roughhousing with other young males on Poipu Beach.
  3. With 65 sightings, RG58 ranks third for the most reported monk seal sightings on Kauai. RG58 is a four-year-old male who also prefers the busy beaches of Poipu. His mother is the renown RH58, also known as Rocky.
  4. With 56 sightings, RB00 ranks fourth for the most reported monk seal sightings on Kauai. The year’s first report of RB00 came two days before she gave birth. She nursed for 54 days and immediately left Kauai after weaning her pup. Recently, RB00 was sighted on Maui. RB00 also counts Rocky as her mother.
  5. With 53 sightings, RK52, yet another offspring of the prolific Rocky, ranks fifth on our list. She provided us with Kauai’s second pup of the year. She nursed for 36 days.
  6. With 53 sightings, RN44 ranks sixth for the most reported monk seal sightings on Kauai this year. He is a healthy six-year-old male, frequently sighted on his natal beach on the North Shore of the island. His mother is also Rocky.
  7. With 52 sightings, RL08 is the grandson of Rocky. He was born to RB00 earlier this year and nursed for a whopping 54 days.
  8. With 50 sightings, RK58 ranks eighth for the most reported monk seal sightings on Kauai this year. Another pup of Rocky’s, RK58 was abandoned by his mother in 2018 and spent several months in rehab at Ke Kai Ola before being released back on Kauai.
  9. With 41 sightings, RK30 ranks ninth for the most reported monk seal sightings on Kauai this year. RK30 is pushing 20 years of age. She’s also one of the most storied monk seals around, having survived many threats to her life. Read more about RK30 here.
  10. With 40 sightings, RG22 ranks tenth for the most reported monk seal sightings on Kauai this year. RG22 is another four-year-old male who loves to roughhouse with the boys at Poipu.

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Field Report: February Report

Monthly Update: The Kauai team logged 303 seal sightings this month. This included 30 individually identified seals.

Feb: 303
Jan: 284
Dec: 153
Nov: 145
Oct: 203
Sep: 199

New:

  • Adult female RB00 pupped at a remote beach on the North Shore. This is her natal beach, however she had previously pupped on Maui and Lanai, not Kauai. The pup is male and thriving.
  • Subadult female RH38 is currently molting and very thin. This seal was rehabbed at KKO in 2017 due to a heavy parasite burden and emaciated body condition. Currently we are closely monitoring the seal as her molt continues in hopes that she will gain weight as soon as the molt is complete. However, plans to send her to KKO for rehab are being discussed.

Updates:

  • RK58 was reared at Ke Kai Ola from August 4, 2018 until released on Feb 13, 2019 after a 3 day soft-release. This required building a beach pen to hold him, and for staff and volunteers to camp on site to monitor the captive seal prior to release. The seal has shown no signs of interest in humans, and is interacting normally with other seals in the area.
  • Poipu Keiki Pool: Two displacements of subadult male seals R3CX and RG58. occurred this month. This is the third displacement for each from the Keiki Pool.
  • Bleach markings: none
  • Molting: 1 seal molted this month.

Research/Support of PIFSC:

  • Sub-sampled scat, molt, and tissue plug samples accordingly.
  • Logged all seal sightings for PIFSC database. Organized photos and reported sightings, molt tallies, survival factors to send to PIFSC.

 

Here are some images (thanks G. Langley) taken during the past week of PK1. He continues to grow, marks six weeks of life today, and may become a “weaner” in the next few days.

 

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Monk Seal Monday #32: Molting

About the first of the month, two-year-old RH92 was reported to have started her annual molt. She joins four other seals known to have molted this year thus far: R1KT, R3CX, RG22, and V2.

lynn-nowatzki

Photo credit: Lynn Nowatzki

Hawaiian monk seals experience what’s called a “catastrophic molt,” meaning the loss of the top layer of skin and fur happens in one concentrated period of time, rather than continually throughout the year. The molting process can take one to two weeks. Because molting requires great energetic resources, during this time, the seal will usually stick pretty close to the beach, often spending the night tucked high up the beach and under bushes.

Molting is a vulnerable time for monk seals, another reason to encourage folks to keep dogs on leashes. Typically, the molt starts on the belly, flippers, muzzle, and scars. Then, moves to the back. The molting pattern isn’t exactly “attractive.” A seal with patches of dead skin falling off can often cause beach-goers concern, thinking the seal is sick or, even, dead.

Adult females will often molt soon after they wean their pups. Also, any seals outfitted with a telemetry tag near its molt will lose it during the molt. (If you happen upon a telemetry tag on the beach–it’s a rare event but it has happened–please call the monk seal hotline to report it.)

T21M.Donna Lee

Photo credit: D. Lee

Basically, seals molt, because their coat gets dirty. After spending long bouts of time at sea, algae will often grow on their fur. If you see a seemingly green-colored seal, you’ll know he or she is nearing his/her molt.

After molting, monk seals regain their dark gray to brown color on their dorsal (back) side and a light gray to yellowish brown color on their under (ventral) side. This difference in coloration is known as “countershading.” From below, the seal’s light belly blends in with the sunny surface of the ocean. From above, the seal’s darker back is closer in color to the dark ocean floor. This serves as camouflage for seals. It helps them sneak up on prey, as well as, hide from sharks and other predators.

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