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Posts Tagged ‘Kauai’

In March, after RH38 seemingly shrank to nothing more than a sad bag of bones, she was scooped up and flown to Ke Kai Ola on Hawaii Island. There, after days turned into weeks and a few tests turned into dozens, she was finally rolled into another hospital–the North Hawaii Community Hospital–for a full-body CT scan. It was the first CT scan performed on a wild Hawaiian monk seal. It was then veterinarians were finally able to turn this touch-and-go patient’s health around, and a couple weeks ago, she became the 28th patient of the monk seal hospital to be admitted and returned to the wild. (See more here.)

These are photos of RH38 on the day she was admitted to Ke Kai Ola.

When the three-and-a-half-year-old RH38 was released back on a remote Kauai beach, she looked like a completely different seal. She’d undergone a molt while she spent four-and-a-half months in rehabilitative care at Ke Kai Ola, so her coat looked like she’d taken a side visit to a monk seal spa while she was away from Kauai. She also gained weight. Lots of weight. She was released tipping the scales close to three times what she weighed when she was admitted to Ke Kai Ola.

Here’s a slide show of RH38 making her way to the water on the day of her release. Note her excellent body condition. You wouldn’t know she was the same seal–except her flipper tags prove it.

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Since her release, RH38 has been exploring some of her favorite haunts. It’s as if she’d never left. Reports of her whereabouts have come in from the public, including one of some beachgoers approaching a little too close for RH38’s liking. Any time a wild animal spends time in rehab, one concern is whether she’ll show interest in humans upon her release. In RH38’s case, she hasn’t. And that’s a good thing. Maybe she got poked and prodded a little too much at Ke Kai Ola. But this is also a good reminder to encourage people to give monk seals–and all wild animals–plenty of space. When monk seals haul out on the beach, it’s for much needed rest, so when they return to the sea, they’re sharp and alert.

There’s another way biologists track RH38’s travels, and that’s by the satellite tag attached to her back, which is standard for monk seals released after care. (It’ll stay on until she next molts, if it doesn’t fall off sooner.) This allows biologists and veterinarians to keep a remote eye on her and evaluate her behavior. Here is a sample track of RH38’s recent whereabouts.

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If you’re wondering about those red lines seemingly on land, RH38 has not evolved into a terrestrial seal. Those are poor quality fixes, typical of satellite tags with wide accuracy ranges. But you get the basic idea. The good news is RH38 has been ranging up and down the coastline in a way consistent with wild Hawaiian monk seals.

Lastly, here’s a video of her release and immediate beeline for the water.

 

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Another one of Kauai’s regular “puppers” has added to the Hawaiian Monk Seal population.

PK3’s arrival was reported to the Kauai Hawaiian Monk Seal Conservation Hui last Wednesday, July 10th. It’s not unusual for tour boat captains and kayak outfitters to alert us to new pups born in remote locations. This report came from Captain Rob. He also provided a photo, and in it, you can also see–if you squint really well–the remains of the afterbirth on the beach below the pup. This is a good indication the pup is quite young, maybe just hours old.

PK3 + K30

But the photo didn’t positively identify the mother. Based on the date and location (not identified here for the safety of the mom and pup); however, that narrowed the mother down to a couple suspected seals. Well, one, in particular.

Because the pupping site is in such a remote location, neither one of our NOAA/DLNR officials nor any of Kauai Hawaiian Monk Seal Conservation Hui volunteers were able to immediately respond to identify the mother. However, thanks to the work of one volunteer who is adept at searching social media, we now know the mother in question is none other than RK30.

It was one particular scar that confirmed RK30’s identity as the mother of PK3, as seen in an Instagram photo, that allowed her to be identified. The scar was that of an old entanglement wound from a line (rope) that once encircled her neck.

RK30 is somewhere around 20 years of age, give or take a year. She’s also one of the most storied monk seals around, having survived many threats to her life. Read more about RK30 here.

This is RK30’s 11th known pup.

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PC: @tripoverthings

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PC: @tripoverthings

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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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