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Posts Tagged ‘Kauai’

As you may recall, the first Kauai pup was born on April 20, 2018 at Maha’ulepu to RK13. While this pup was with her mother she was known as PK1 (Pup Kauai #1), and then after 37 days of nursing, her mother weaned her, and we briefly captured and flipper tagged her. This process usually takes less than five minutes and includes a brief restraint while plastic flipper tags are applied in the webbing of the rear flippers. Her tags read K42 and K43, making her official ID RK42. The R indicates that she is part of the Main Hawaiian Island population and the K indicates she was born in 2018, and finally the 42 is her unique ID. During the tagging process her length and girth were also measured, a microchip was injected under her skin, and she was given her first vaccination against a virus in the measles family known as morbillivirus, also known as distemper in other species. You can learn more about this virus and the monk seal vaccination program here.

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As previously reported, RK42 became entangled in hook and line fishing gear on July 28th, which left a large fish hook in her mouth. The Kauai team quickly responded and captured her on the beach and removed the hook. The hook was a rather large barbed J-hook that was somewhat difficult to remove, primarily due to the sharp barb which caused some tissue damage in her mouth and mild bleeding. She spent the rest of that day resting normally at Maha’ulepu, but has not been seen since.

It is not uncommon for young seals to find a quiet out of the way places to haul-out, so we hope that is the case. In fact, it’s happened before. In June 2009, R5AY gave birth on a North Shore Kaua`i​ beach to a female pup who was eventually tagged RA20. After weaning, as RA20 started to explore, she all but disappeared. Time between sightings would stretch into months and years. Then, surprising everyone, she started popping up on Maui and Hawai`i Island beaches. In 2017, she gave birth to her first pup. Unfortunately, the pup did not survive. However, earlier this year, RA20 gave birth to a second, healthy pup.

As with most wildlife, surviving to adulthood is not easy. First year survival rates for monk seals in the Main Hawaiian islands is approximately 80%. The hooking was a very minor so we have little reason to believe it caused her longer term problems, but again young monk seals face many threats, both anthropogenic and natural. However, we are optimistic we will see her hauled out somewhere sometime soon in good health.

This is a good reminder to report all monk seal sightings on Kaua`i by calling our hotline–808-651-7668.

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If you’ve heard about the storm that Kauai weathered over the weekend, some of you may be wondering about our Hawaiian monk seals. (If you haven’t heard about the storm, you can read more about it here.)

The Kauai Hawaiian Monk Seal Conservation Hui does not deploy volunteers to dangerous situations–during storms or otherwise–and didn’t yesterday, either; however, the general public reported four seals hauled out on southern and western shores yesterday. They were all reported to be fine. The brunt of the storm hit Kauai’s north shore. Obviously, monk seals are marine mammals and are much better adapted to handle rising waters than we mere humans.

Now, for the March Field Report:

Sightings:

The Kauai team logged 299 seal sightings this month. This included 30 individually identified seals.

March: 299
Feb: 259
Jan: 336
Dec: 270
Nov: 239
Oct: 225
Sep: 354

New

  • AF (Adult/Female) R376 was observed on Poipu Beach with bait trailing from her mouth and with a significant loss of weight since her previous sighting six weeks prior, suggesting she’d ingested a fish hook. With 13 volunteers assisting, a trained response team crowded her into transport carrier, and she was moved to DOFAW baseyard in Lihue to await arrival of an Oahu veterinary team. A fish bone was discovered to be lodged in her mouth. It was removed, she was given antibiotics and released at Poipu Beach by the end of the same day. Read more about this swift and successful response here.
  • JF (Juveniile/Female) R7AA hauled out onto the shoulder of the road near Brenneckes in Poipu. A visitor called the hotline, and later the seal was displaced into the water and away from the road entirely.
  • Several reports of dogs chasing seals off the beach at Maha’ulepu were reported to the hotline. No seal injuries have been reported. DOCARE has been alerted.
  • A report was made from a fisherman of a seal dead in a net 3.5 miles outside Nawiliwili Harbor. USCG provided vessel support to investigate and possibly retrieve. A large bill fish, not a seal, was found entangled in a large cargo net, partially eaten by sharks.

Updates on previously reports:

  • NG00 is likely still hooked and was not sighted this month. SM (Small/Male) Sighted on Niihau in January. Photos match pictures sent in last September by fisherman of a hooked seal along Kaumakani on Kauai. Seal presents in good condition. Since hook is not life threatening, the Kauai response team will attempt to de-hook him the next opportunity that presents itself.
  • Poipu Keiki Pool: no displacements took place this month.
  • Bleach markings: 3 seals bleach marked this month.
  • Molting activity: no seals molted this month.

Research/Support of Pacific Islands Fisheries Science Center:

  • Subsampled serum samples from R376 for PIFSC and shipped to Oahu.
  • Sub-sampled scat, molt, and tissue plug samples.
  • Logged all seal sightings. Organized photos and reported sightings, molt tallies, survival factors and sent to PIFSC.

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Here’s a recently developed fact sheet on toxoplasmosis, a significant disease threat to the survival of Hawaii’s endangered Hawaiian monk seal. More information can be found here. Additionally, a public forum is being held this Saturday, March 31st on Oahu to address the concerns and impacts of toxoplasmosis to Hawaii’s wildlife and public health. Dr. Michelle Barbieri, the Wildlife Veterinarian Medical Officer with the Hawaiian Monk Seal Research Program, and Angela Amlin, the Hawaiian Monk Seal Recovery Coordinator, are both on the panel. Scroll down for more information.

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Sightings:

The Kauai team logged 259 seal sightings this month. This included 32 individually identified seals.

Feb: 259
Jan: 336
Dec: 270
Nov: 239
Oct: 225
Sep: 354

New Issues:

  • RK90 returned after 6 week absence. Was large and pregnant on 12/28/17 and then sighted on 2/17/18 thin. Likely pupped on Niihau. This would be her first pupping.

Updates on previously reported issues:

  • NG00 is likely still hooked and was not sighted this month. NG00 was observed with a circle hook in lower right lip. Sighted on Niihau in January. Photos match pictures sent in by fisherman along Kaumakani in September of a hooked seal. Seal in good condition, hook not life threatening, will attempt to de-hook next time hauled out on sand.
  • Poipu Keiki Pool: 6 displacements took place this month. Listed below are which seals and how many total times they have been displaced from the keiki pool. Please remember displacements require skilled training and, as always, prior approval from NOAA. Please never attempt this on your own. But please do call the hotline (808-651-7668) when/if you find a monk seal in the Poipu Keiki Pool.
    • RN02 – 3rd displacement
    • RG58 – 1st and 2nd displacement both this month
    • R339 – 4th displacement
    • RV18 – 1st displacement
    • RK90 – 3rd displacement
  • Morbillivirus vaccinations: All vaccines on Kauai have expired. No further vaccinations will occur for the time being.
  • Bleach markings: 2 seals bleach marked this month.
  • Molting activity: 1 seal molted this month.

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Sightings:

The Kauai team logged 336 seal sightings this month. This included 34 individually identified seals.

Jan:336
Dec: 270
Nov: 239
Oct: 225
Sep: 354

New Issues:

  • R376, adult female, hooked with small j-hook in lip. Hook came out without intervention several days later.
  • One new juvenile male, untagged and unknown, sighted on West Side.

Updates on previously reported issues:

  • R7AA, juvenile female, was observed with a moderate injury to right cheek, possibly a hook pull-out or moray eel bite. Antibiotics were given. Close monitoring continued, wound currently healing.
  • NG00, sub-adult male, was observed with a circle hook in lower right lip. Sighted on Niihau in January. Photos match pictures sent in by fisherman along Kaumakani in September of a hooked seal. Seal in good condition. Hook not life threatening. Will attempt to de-hook next time hauled out on sand.
  • Poipu Keiki Pool: 3 seals displaced from Keiki Pool.
  • Morbillivirus vaccinations: All vaccines on Kauai have expired. No further vaccinations will occur for the time being.
  • Bleach markings: 1 seal bleach marked this month.
  • Molting activity: no seals molted this month.

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7AA front head viewEarlier this month, someone called the Kauai Hawaiian Monk Seal Hui hotline to report a green seal hauled out on the east side. It was R7AA. The next day, the same seal was reported “very green” and with a “transmitter.” (You may recall R7AA was flipper-tagged in September and outfitted with a dive recorder. That was the “transmitter” on her back.) But this report also included “something hanging from the seal’s mouth.” Kindly, the caller sent photos. Shortly thereafter, the dispatcher with the Kauai Police Department also received a call and report of a hooked seal. More photos were submitted. While no hook was seen in any of the photos, our Kauai team immediately responded.

7AA side head viewWhat they found was, indeed, a very green seal sporting a transmitter. And no hook. But she did have gouges to both her upper and lower lips and a flap of skin hanging from the right side of her mouth and was given a antibiotic injection by way of a pole syringe.

7AA lifting headThat was last weekend. In the week since, R7AA has been sighted on three more occasions. The skin flap is gone. Her wound is healing. And she’s just started to molt around her flippers.

For now, she’s still–appropriately for the holiday–green.

This is a good example of the efforts of many people and agencies coming together to aid one in need, our endangered Hawaiian monk seals.

 

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In November, the Kauai team logged 239 seal sightings. This included 35 individually identified seals. Here’s a look at how the 239 number compares to other months.

November: 239
October: 225
September: 354
August: 236
July: 335

As a reminder, there are numerous reasons that can effect the number of reported seal sightings. Two big ones are the availability of our steadfast volunteers taking their daily beach walks, and the presence of moms with pups and the subsequent “pup sitting” we do. Of course, the seals themselves play a factor in this, too. Maybe there’s some seasonality in foraging that takes them to remote areas of the island where we don’t see them. That’s the thing with animals that spend the majority of their lives at sea–we don’t quite know.

Other November news to note:

  • Seal activity continues around Poipu Beach Park with seals swimming among swimmers, snorkelers and the water aerobics class and hauling out on the beach amidst beach-goers. Our advice continues to be for everyone involved to give the animal its space and never approach, touch, harass, disturb it. Remember: Monk seals are wild animals; let’s keep them that way.
  • One additional monk seal received its morbillivirus vaccination in November. This virus, similar to distemper in dogs, has not infected the monk seal species. But in a proactive effort to combat an outbreak, the Hawaiian Monk Seal Science Program started vaccinating seals last year. To learn more about the threat of morbillivirus, read this Smithsonian article.
  • Two seals “bleach-marked” this month–RG22 as V22 and R340 as V77. To learn more about using Clairol to help identify individuals seals, read this previous #MonkSealMonday report.
  • Four seals completed their molts in November, including: RH38, RG58, RK14, RH80. To learn more about molting in Hawaiian monk seals, read this previous #MonkSealMonday report.

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