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Posts Tagged ‘pinniped’

On Friday, an email arrived on Kauai. It read: “RH92 has hauled at Kaupo Beach (Baby Makapuu) today.”

Kaupo Beach is found on Oahu.

What a surprise! Until last week, RH92 was regularly reported day after day hauling out on a narrow one-mile stretch of beach on the East Side of Kauai. Then, she made a longer trek, popping up on the South Shore. Now, she’s made the 70-mile jump over to Oahu.

Here’s a little background on the two-year-old RH92, a female.

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Photo credit: G. Langley

RH92 was born on the North Shore to RK22. A few months after weaning, some fishermen contacted DOCARE (Department of Conservation and Resources Enforcement), because a loose dog had attacked a small monk seal. An officer immediately responded, found the dog’s owner, and issued a citation. The seal, with multiple puncture wounds, turned out to be RH92 and was given antibiotics. Thankfully, her small punctures did not become infected and healed quickly.

Soon thereafter, RH92 ventured to Kauai’s East Side where, as a yearling, she began feeding on fish scraps in a canal. Because two other yearlings had drowned, possibly in nets, in the same canal in previous years, she was translocated her to the West Side of the island. Meanwhile, signs near the canal and boat launch were installed and fishers asked not to dump fish scraps in the area. Luckily, fishers complied, because RH92 quickly made her way back to the East Side within two weeks later. Since then, there’s been no problems.

RICOH IMAGING

Photo credit: M. Miyashiro

Too, RH92 has an impressive scar on her head from a large cookie cutter shark bite that happened last year. At the time, it was quite startling as her skull was visible. But she quickly healed.

It’s not unusual for Hawaiian monk seals to island hop. But RH92’s decision to cross an open ocean channel for Oahu was a surprise, suggesting she possibly followed an older seal. That’s not unusual for monk seals to do, too.

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IMG_0321The eighteen-year-old Hawaiian monk seal known to science as RH58 but more commonly known to thousands of her fans as “Rocky” has returned to Kaua`i and given birth to her 11th pup on a remote stretch of coastline where she has pupped nine previous times.

That news has allowed many, many, many people in the Hawaiian monk seal world to breathe a sign of relief, because they won’t have to worry quite as much about the health and safety of mom and pup and beachgoers as they did last year when Rocky surprised everyone by pupping on busy Waikiki Beach. (Reminder: Protective moms have been known to charge snorkelers and swimmers in the water, so steer clear.)

RH58 nurses pupRocky herself was born on another beach on Kaua`​i back in 2000. At some point in her adulthood, she crossed the 70-mile-wide Ka`ie`iewaho Channel and spends much of her adult life navigating the waters and coastline of O`ahu.

She gave birth on the shores of Kaua`i for the first time in 2006 when she was six years of age.

She continued to live on O`​ahu and pup on Kaua`i with little to no trouble (or drama!) until four years ago.

RH58 nuzzles pupIn 2014, Rocky and her pup were involved in a dog(s) attack. Her pup (RF58) received over 60 bite marks on her body, developing a couple abscesses around her neck. A NOAA veterinary team responded with antibiotics. (This was the same attack in which RK28‘s young pup was killed.) Remember, it’s a state law that all dogs on beaches must be leashed.

Then, in 2017, Rocky pupped on Waikiki Beach, igniting her headline-making days and introducing Hawaiian monk seals to tens of thousands of visitors from across the globe. Their first few weeks together were live-streamed by a local media outlet, and the pupping event sparked numerous Facebook fan pages.

In January 2018, Rocky became a grandmother for the first time when her female pup–RB00–gave birth to a pup (R00K) on Lāna`i. Then, she almost became a grandmother a second time when RK52 pupped earlier this year. Unfortunately, that pup was stillborn. RK52 was born in 2011 and officials have hopes she will give birth to many healthy pups in the future.

Hawaiian monk seals can live to be 25 to 30 years old in the wild, so there’s a good chance Rocky will continue to contribute to the recovery of her species in the years to come. Perhaps Rocky’s next great headline will come in six or seven years when she, RB00, and R00K all three pup in the same year. Now, that would be big news.

Keep returning to this page. Photos and video will be added throughout the next few days.

Meanwhile, if you’d like a historical review of Rocky’s whereabouts when she’s on O`ahu, try searching for “RH58” on the Monk Seal Mania website.

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Two more pups have joined the Hawaiian monk seal population.

On June 26, RK28 gave birth to a healthy pup, her first pup born on Kauai in four years. Here is PK3 on the day of his/her birth.

rk28 and pup day oneAs you may recall, in 2014, RK28’s two-week old pup was tragically killed during a night-time dog(s) attack that also left dozens of puncture wounds on four other seals, including RK28 who likely valiantly tried her best to protect her pup. It was a tragedy, especially since it’s one that could have been prevented simply by not letting dogs run free. Please share this story when chatting with folks on the beach about the various threats these endangered monk seals face. To read more about this tragedy, click here.

Two years ago, in 2016, RK28 was observed with large mobbing wounds and abscesses on her back, the scars of which are still visible on her back. These wounds are caused by male monk seals and have been observed in other females. The Hawaiian Monk Seal Research Program reports this kind of male behavior can involve multiple males competing to mate with an adult female or a single male targeting a younger seal. To read more about adult male aggression, click here.

But back to some good news. Just two days ago, on June 30, RO28 provided the species with another member. This is RO28’s sixth pup in as many years on Kauai. Here is PK4 on the day of his/her birth. RO28 and pup day one

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A few weeks ago, we reported the gender of PK1 as male. Well, she fooled both volunteers and veteran monk seal biologists, because more recent photographs reveal that PK is not male. She’s female. That’s good news. It takes more females (than males; sorry guys) to grow the Hawaiian monk seal population. Here’s the photographic evidence.

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See the five dots in the shape reminiscent of the number five on a pair of dice? That’s the tell-tale sign.

In other pup news, we now have a “weaner.” After 37* days of care for her newborn, this pup’s mom, RK13, weaned her not-so-little one. This is normal monk seal biology. During the time from birth to weaning, monk seal moms do not forage. They stick by their pup’s side, nursing them and taking near-shore swims with them. Moms eventually lose half their body weight or more, and hunger drives them back to the sea for nourishment. This is how weaning occurs. Kauai’s first weaner of 2018 will now spend the next few months figuring out what’s good to eat in the sea. Weaners tend to stick around their natal birth site while doing this. Now is also a vulnerable time for new weaners, as they explore their surroundings, both near-shore and on the beach, making it as important as ever to give them wide space to do so safely–away from interactions with humans and dogs.

In the next few weeks, PK will be outfitted with flipper tags. Stay tuned. We’ll announce pup’s official tag numbers once she’s tagged.

Here are a few more photos of PK1’s last days with RK13. (Photo credit J. Thomton.) Note the molting on a couple closeups of the muzzle and tail flippers. You can also see in a few of these the size differential between mom and pup, indicating how much weight mom has lost and how much pup has gained.

 

*UPDATE: The official number of nursing days was changed from 41 to 37. It seems RK13 gradually weaned her pup. She first left her pup for a few hours on Friday and, again, on Saturday and Sunday. As of Sunday evening at sunset, the two had hauled out on the beach about 40 yards from each other. By the next morning, Monday, RK13 was gone. PK1’s first entire day alone was Memorial Day, May 28, 2018.

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Sightings:

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

April: 303
March: 299
Feb: 259
Jan: 336

New:

  • RK13 gave birth to PK1 on 4/20/2018. Extensive monitoring was immediately set-up and continues. Unfortunately, the location is notorious for off-leash dogs and past conflict between beach users and the monk seal program. Thus far, only minor issues have risen. Pup continues to thrive.
  • RK52 gave birth to stillborn female pup. This was RK52’s first birth. Carcass was sent to Oahu for necropsy.

Updates:

  • NG00 was re-sighted once this month and is likely still hooked. (See previous monthly updates for background.)
  • Poipu Keiki Pool: 2 displacements took place this month.
  • Bleach markings: 2 seals bleach marked this month.
  • Molting activity: one seal continues to molt this month.

Research/Support of Pacific Islands Fisheries Science Center:

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

 

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PK1 is 3.5 weeks old today, and he’s healthy-looking, active, and spending more and more time swimming. His routine of late finds him exploring the nearshore waters in the mornings and sleeping on the sand in the afternoons. Such is the life of a young Hawaiian monk seal pup.

Here’s a sweet sequence of images of PK1 and his mom RK13. You can also see how mom is losing weight, the natural course of a nursing monk seal mom’s biology. Her rib and shoulder bones are starting to become visible. She basically fasts the entire time she nurses her pup–all the while he packs on the pounds. Eventually, hunger will drive her to the sea to forage, at which point, he’ll be weaned.

Now, enjoy the slide show. (Photo credit goes to Jamie Thomton.)

This slideshow requires JavaScript.

 

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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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R376 in robust body condition on December 21, 2017.

At 9:00 a.m. on Tuesday, March 6, a report was called in to the hotline of an adult female, R376, hauled out at Poipu with something hanging out of her mouth. Our monk seal response team suspected she may have had a fish hook stuck in her mouth and the dangling bits were bait. Upon arriving at the beach 30 minutes later, the organic material was still visible, but what was also evident to the team was that she’d lost quite a bit of weight since her last sighting one month before. The combination of the two issues prompted our local team to reach out to the Hawaiian Monk Seal Research Program–all disturbances/handling of endangered Hawaiian monk seals require clearance–and it was decided a physical examination was warranted.

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R376 in thin body condition on March 6, 2018.

With the help of a trained volunteer team, R376 was easily herded into a transport cage and transported to secure location to await the NOAA veterinary team that was en-route from Honolulu to assist with the examination.

At 3:30 the seal was sedated and examined with radiographs taken from the head to stomach; however, no hooks were present. A visual inspection of the seal’s mouth revealed a large spinous fish bone lodged between the hard palette, left inner cheek, and tongue. The organic material dangling from her mouth was a large octopus arm that was caught on the fish bone. A pair of needle nose pliers were used to carefully remove the bone. An antibiotic injection was given, blood samples were taken for post morbillivirus vaccination titers, the seal was flipper tagged 7AU (left flipper) and 7AV (right flipper), and the sedation was reversed.

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Small wound and infection from embedded fish bone.

 

fish bone

Fish bone (top) and octopus tentacles (bottom).

R376/7AU was transported back to Poipu and released by the Kauai team by 6:30 p.m. The seal entered the water and departed the area.

 

R376

If you come upon this monk seal (flipper tags 7AU/7AV), please give her wide berth while she recovers and regains her lost weight. But please take photos and report her whereabouts to our hotline: 808-651-7668.

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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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