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Archive for the ‘RL08’ Category

Field Report: March 2021

Monthly Update: The Kauai team logged 137 seal sightings this month. This included 28 individually identified seals.

  • March: 137
  • February: 119
  • January: 125
  • December: 119
  • November: 133
  • October: 152
  • September: 152
  • August: 198
  • July: 120
  • June: 81
  • May: 147
  • April: 117
  • March: 200

New:

·       A neonate monk seal pup was found dead at Makua – Ha’ena Beach Park area. The road to Hanalei was closed due to a landslide at this time, and therefore no response was possible. A local resident assisted by taking photos and burying the carcass on the beach. The pup’s umbilical cord was still attached. No pregnant seals were known to be in the area, therefore the mother’s identity is unknown.

·       A new adult female seal was sighted at PMRF with remarkable scars and given an official ID. Scars do not match to any existing known seal. ID is now temp 603.

·       Closely-monitored, juvenile male RL08 who remained hauled out in the same location for seven days. It was uncertain whether the seal had been foraging at night or remaining in the same location for the entirety of time until vacating the area. RL08 appears to be foraging normally now.

·       Monitored several pregnant seals that are likely to pup on Niihau in the next couple months.

Updates:

·       Adult female RK13 continues to be closely monitored due to previous logging behavior and possible dog bite injuries. Two doses of antibiotics were administered using the pole syringe in February. RK13 appeared stable and healthy in March.

·       Subadult male seal RK58 was returned from KKO after 6 weeks of rehab and released on the north shore. He was treated at KKO for likely dog attack injuries that resulted in significant weight loss and infected puncture wounds.

·       Again this month, off-leash dogs continue to be a problem. This past month dogs at Shipwrecks Beach, and Kukui Ula harbor in Poipu were problematic. Worked with DOCARE to monitor and enforce leash violations.

·       Due to COVID-19 stay-at-home measures, our new methods of monitoring continue, which include:

  • Weekly surveys of key beaches conducted by staff.
  • DAR staff conducting weekly island wide Creel Surveys.
  • PMRF staff continuing to send in routine reports and photos.
  • Requesting that people who call the hotline to report seals assist us by sending several photos and setting-up SRA signs or sticks. 

·       Bleach marks applied: juvenile female, unknown, applied V7 bleach mark.

Volunteers: 

·       Volunteer program remains on hold due to COVID-19.

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Photo credit: Ke Kai Ola

For the past two years, a very large seal with the flipper tags B00 has made her way across the archipelago to give birth where she herself was born to the well-known RH58, a.k.a. Rocky, in 2007. This is RB00. She was sighted as recently as last week on Hawaii Island. Her predicted due date is two days away–Wednesday, March 31, 2021.

Last year, RB00 gave birth on Kauai’s north shore to a monk seal still known as PK1 and who is also bleach-marked V00. No flipper-tags have yet been applied to PK1 due to COVID restrictions; however, she should be tagged soon. She is predictably found at her north shore birth beach and has a preference for hauling out very high on the beach tucked into vegetation, often completely hidden from view.

The year before, in 2019, RB00 gave birth to RL08. Because RB00 tends to pack on the pounds during her pregnancy, she can often nurse for a few days or even weeks longer than other female monk seals. RL08 continues to thrive and is much larger than most two-year-olds, thanks to the head-start his mom gave him from two extra weeks of nursing (54 days total) when he was a pup. RL08 is most commonly seen on the north and east shores of Kauai and was sighted 47 different times in 2020.

In 2018, RB00 gave birth on Lanai. In 2016, she delivered a stillborn pup on Maui. So there’s really no telling where she’ll decide to pup this year–Hawaii Island, Maui, Lanai, Molokai, Oahu, Kauai. With this long-distance swimmer, all are possibilities.

To read more about RB00, click here.

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Monk Seal Monday #116: Top Ten

Below you’ll find the top ten “reported” Hawaiian monk seals on Kauai for 2020. By reported, we mean those monk seals that were called in—and identified—to the Hawaiian Monk Seal Conservation Hui hotline. (See a monk seal on the beach? Report it to 808-651-7668.)

Keep in mind, many things affect this list. Monk seals often have favorite locations where they haul out. 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. 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. Molting monk seals, too. As this list will also reveal, young monk seals are often sighted and reported, too, because they tend to make themselves noticed;-)

To make this list a little more interesting, we’ve included only those tagged seals, meaning pups are not included until they are weaned and flipper-tagged.

You might find it interesting to compare this year to last year. You’ll see a few regulars appearing in both years, as well as, some newcomers to the list. However, keep in mind, because of COVID-19 and the greatly abbreviated volunteer program, this year’s reporting numbers are, as expected, quite lower. What’s interesting is that the many years of work by the Kauai Hawaiian Monk Seal Conservation Hui has educated the public so well that the hotline is still ringing. Concerned citizens are calling and reporting seals. This is in great part due to the diligent outreach efforts of the volunteer team.

So, here goes:

  1. With 90 reported sightings, one-year-old female RL58 tops the list. She was born to the famous RH58, also known as Rocky, in July of 2019. She remains close to her natal beach and has a preference for hauling out in rocky areas rather than sand, and doesn’t socialize with other seals much.
  2. With 66 reported sightings, the 20 plus year-old-female RK13 ranks second. She is the most well-known seal on Kauai’s east side, easily identifiable by her blind white left eye, many body scars, and worn red flipper tags that read 5AA and 5AB. She has given birth at least three times that we know of, including in 2012, 2015, 2018. Hopefully she will continue that pattern and pup again in 2021.
  3. With 61 reported sightings, seven-year-old RN30 ranks third. He tends to range far and wide with reported sightings of him from many different beaches on Kauai and Oahu.
  4. With 52 reported sightings, the seven-year-old R353 ranks fourth. She first showed up on Kauai in 2016 and is likely a Niihau girl. The past couple of years we watched her gradually get very large and pregnant, disappear for a couple of months and then return after losing about half her body weight. We suspect her pups were born on Niihau.
  5. With 45 reported sightings, one-year-old male RL08 ranks fifth. He was infamously fat as a pup, nursing two full weeks longer than the average nursing period of 40 days. It appears that 54 days of fatty milk gave him a head start as he now looks more like a 3-year-old seal, rather than the yearling he is.
  6. With 44 reported sightings, R3CD and RN44 are tied for sixth. These 6 and 7-year-old males, respectively, are difficult to tell apart. They are the same size, have very few scars, and often challenge each other for the right to rest near certain females. However, RN44 has recently become a regular seal sighted on Oahu, so R3CD may have less competition in 2021.
  7. With 43 reported sightings, two-year-old female RKA2 comes in at a very close seventh. She’s the offspring of the late, great, RK30, and has become a very faithful east side seal, although originally from Milolii Beach on the Na Pali Coast.
  8. And finally tied for eighth, with 41 reported sightings, are the four-year-old R1NS and nine-year-old RK90. These healthy large females are both most likely from Niihau, but tagged on Kauai as yearlings. R1NS is currently looking rather large, and we suspect she is pregnant for her first time. The question is, where will she go to pup?

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We now have a “weaner.” And a very healthy one, at that. Last week, after 45 days of nursing, RB00 weaned her pup, PK1. Last year, RB00 nursed her pup, RL08 for 54 days.

Because we’re still operating under COVID-19 restrictions, PK1 won’t be tagged right away; however, she’ll be easy to identify, since she (yes, a female) is our only Kauai pup for the year thus far.

For the next few months, PK1 will explore her near-shore natal beach, as she figures out how to forage on her own. She’s already been sighted tossing sea cucumbers around, so her innate curiosity is already leading her to what will now be her lifelong refrigerator, the ocean.

Here are a few photos that illustrate her, shall we say, rotund state;-)

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The Kauai team logged 203 seal sightings this month. This included 31 individually identified seals.

September: 203
August: 324
July: 239
June: 179
May: 262
April: 348
March: 350
Feb: 303
Jan: 284

New:

  • A second pup was born at a remote beach along Na Pali Coast. The ID of the mother is unknown, but likely the same Niihau female that has pupped on that beach the past two Septembers, R400. Tour boats and kayak companies are providing updates.

Updates:

  • Sub-adult female R7AA was seen with small lump under left jaw line on 8/31/19, possibly a small abscess. The seal has not been re-sighted since. The plan is to closely monitor.
  • RH58 (Rocky) successfully weaned her female pup, PK5. The pup was flipper-tagged and vaccinated and now has an ID of RL58.
  • RK30 successfully weaned her female pup, PK6. The pup was flipper-tagged, and the seal’s ID is now RL30.
  • RH38, the seal rehabbed at Ke Kai Ola and released in July, continues to thrive on the north shore.
  • The first three 2019 pups (RL08, RL52, and RL28) continue to be sighted in good condition at various north and east shore beaches.
  • Displacements: No seals were displaced this month.
  • Molting: Four seals were observed molting this month.
  • Vaccinations: PK4 and PK5 were vaccinated during pup tagging and received booster vaccinations three weeks later.
  • Bleach marking: One seal was bleach marked this month.

Research/Support of Pacific Islands Fisheries Science Center:

  • 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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Field Report: August 2019

Monthly Update: The Kauai team logged 324 seal sightings this month. This included 35 individually identified seals.

August: 324
July: 239
June: 179
May: 262
April: 348
March: 350
Feb: 303
Jan: 284

New:

  • Sub-adult female R7AA seen with small lump under left jaw line on 8/31/19, possibly a small abscess. The seal has not been resighted since. The plan is to closely monitor.

Updates:

  • RH38, the seal rehabbed at KKO and released in July continues to thrive on north shore.
  • The first two 2019 pups, RL08 and RL52, continue to be sighted in good condition at various north and east shore beaches.
  • The last two North Shore pups weaned in August and were tagged. These pups are both female and born to RK28 and RH58 (Rocky), both common Oahu adult females. Extensive pup-watch monitoring took place in August with very few issues.
  • Sightings of the remote Napali pup of RK30 continue to come in from tourboat and kayak tours on the Na Pali Coast. The pup weaned in the last week of August.
  • Displacements: R7AA was displaced away from the road edge at Lawai Beach.
  • Molting: 3 seals were observed molting this month.
  • Vaccinations: PK4 and PK5 were vaccinated during pup tagging.

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

  • Sub-sampled scat, molt, placenta, 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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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: May

The Kauai team logged 262 seal sightings this month. This included 30 individually identified seals.

May: 262
April: 348
March: 350
Feb: 303
Jan: 284
Dec: 153
Nov: 145
Oct: 203
Sep: 199

New:

·       Off leash dogs continue to be an issue at several beaches. At Kiahuna Beach in Poipu a seal was chased off the beach by an off-leash dog, and another seal was chased off Fuji Beach by a dog that pulled free of the owner. Contact was not made between the dogs and seals and the seals were uninjured, however they were flushed off the beach and out of the area.

Updates:

·       Subadult female RH38 who was captured and sent to KKO for care continues to improve and we are optimistic that she will be released back on Kauai eventually, hopefully soon.

·       Adult female RK52 successfully weaned her pup PK2 after 36 days of nursing. The pup was tagged as L52/L53. The pup’s axillary girth was 100 cm. This pup has remained in his natal area and routinely interacts with several other seals in the area. He has been observed feeding on sea cucumbers and appears to be thriving.

·       Pup RL08 continues to haul out in his natal area, too, and is often observed feeding on sea cucumbers. The seal continues to thrive.

·       Displacements: No seals were displaced this month.

·       Bleach markings: 1 was applied this month.

·       Molting: no seals were observed molting this month.

·       Vaccinations: Pup RL52 was given the initial morbillivirus vaccination during flipper tagging.

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Last Friday, on “Endangered Species Day,” PK2 was tagged. He’s now officially known as RL52 with tags L52 (left) and L53 (right). At the same time, he was vaccinated against morbillivirus. His morphometrics (physical measurements) came in at 100 cm axillary girth and 115 cm standard length. He’s smaller than RL08, but he still he seems chubby, because he’s significantly shorter than L08, too. RL52 compares closely in weaning size with RK42, a yearling who was recently re-sighted looking nice and healthy.

RK52 weaned her pup after 36 days of nursing. This is shorter than the average of 42 over the past few years–common among first-time moms–but longer than 32 days, the shortest number of nursing days known on Kauai.

Volunteers report that post-weaning, RL52 has been swimming for hours at a time, while nosing around the nooks and crannies of rocks and tossing in the air “findings” from the ocean floor, sleeping, and basically being a normal “weaner.”

Here are some photos of RL08 the day before he was tagged.

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PC: J. Honnert

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PC: J. Honnert

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PC: J. Honnert

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PC: J. Honnert

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PC: J. Honnert

At the other end of the main Hawaiian Islands, the team at Ke Kai Ola provided an update on RH38 in a press release, as follows:

Veterinarians diagnose infection due to trauma in complex case of RH38, an endangered Hawaiian monk seal in rehabilitation at The Marine Mammal Center’s hospital for monk seals 

(Kailua-Kona, Hawai‘i – May 16, 2019) – Experts at The Marine Mammal Center report positive developments in the perplexing case of Hawaiian monk seal RH38. A CT scan performed in late- April showed muscle inflammation and infection in RH38’s back flippers, which spread to her bloodstream and caused a wide range of other problems. Based on the location and extent of the muscle damage, the Center’s veterinarians suspect trauma as the initial cause of the injury, though the source is unknown. 

“Wild animals mask pain and injury, so internal injuries can be well hidden, unlike more obvious external wounds,” says Dr. Claire Simeone, The Marine Mammal Center’s Hospital Director at Ke Kai Ola. “We’re elated to discover the diagnosis for this complex case, as each individual is critical to restoring this endangered population.” 

RH38 is stable, but remains in critical condition at Ke Kai Ola, The Marine Mammal Center’s hospital and visitor center in Kailua-Kona that is dedicated to the endangered marine mammal. The Center’s veterinary experts are currently treating her with antibiotics, pain medications and laser therapy, and are optimistic that she will continue to improve. 

The likely trauma that caused her injury may have been natural or human-induced, whether accidental or intentional. Natural causes of trauma include interactions with predators or other seals, and a variety of hazards such as debris in heavy surf and eroding rocks along shorelines where seals haul-out to rest. Accidental sources of trauma can include a boat strike or vehicle injury. While rare, there have been confirmed cases of intentional trauma inflicted on seals by people. 

“We always ask residents and visitors state-wide to be aware of seals that are or might be hauled out on beaches, for the safety of people and seals,” says Dr. Claire Simeone, The Marine Mammal Center’s Hospital Director at Ke Kai Ola. “We encourage beachgoers to share space with marine wildlife and report any interactions, whether accidental or intentional, so that responders can quickly assess the affected animal.” 

RH38 was molting at the time of her rescue, a natural annual process in which monk seals shed their hair and skin. Veterinarians suspect that some aspect of immunosuppression related to her molt may have played a role in her inability to deal with the infection caused by the trauma. 

As a result of her sepsis, RH38 had infections in a variety of organs. She has been successfully treated for pneumonia and corneal damage, both of which have resolved. She also developed a skin infection, kidney infection, resulting kidney stones and a liver infection, all of which are continuing to receive treatment and monitoring. 

The Kaua‘i Hawaiian Monk Seal Conservation Hui monitored RH38 over the past year and routinely observed her in good body condition. In March, she began to rapidly lose body condition. She was rescued from Kaua‘i on March 12, 2019, and transported via U.S. Coast Guard flight to Ke Kai Ola. During her initial critical care period, RH38 was tested for dozens of diseases, toxins and parasites. 

In late April, the Center’s staff and volunteers, along with a team from NOAA, transported RH38 to North Hawai‘i Community Hospital on Hawai‘i Island for a CT scan. The Center’s veterinary experts anesthetized her, and a scan was done on her entire body in order to more closely investigate the different organ systems that were showing signs of damage and pinpoint the source. This is the first CT scan ever performed on a wild Hawaiian monk seal. 

This is RH38’s second time in rehabilitation at The Marine Mammal Center. She was originally admitted to Ke Kai Ola in August of 2017 for malnutrition and a heavy parasite load. She more than doubled in body weight during her three-month rehabilitation and was successfully released back to Kaua‘i. Her current condition is not thought to be related to her original admit in 2017. 

The Marine Mammal Center’s work in Hawai‘i is dedicated to the conservation of Hawaiian monk seals. The Center is a member of the Pacific Islands Region Marine Mammal Response Network and is responsible for monitoring the seals that haul out on Hawai‘i Island. The Center’s marine science program, Nā Kōkua o ke Kai, serves students in grades 6 through 8 and their teachers on Hawai’i Island. Through community engagement, education, stranding response and animal care, their dedicated staff and volunteers are working to save a species. 

The Marine Mammal Center has rehabilitated 27 monk seals since opening Ke Kai Ola in 2014.The Center is proud to partner with NOAA to support conservation efforts for the Hawaiian monk seal. NOAA researchers estimate the current monk seal population to be about 1,400 animals, and about 30 percent of those monk seals are alive today directly due to conservation efforts led by NOAA and its partners. 

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