Feeds:
Posts
Comments

Archive for the ‘RH38’ Category

Just two days shy of eight weeks after giving birth, RB00 finally weaned her pup, PK1.

RB00 nursed for a grand total of 54 days. That’s the longest stretch of nursing days for a Kauai pup going back to and including data on pups since 2012. The previous record was 51 days set in 2017 by RK30, a well-known (and well-storied) mom. Her pup was RJ36. The year prior, in 2016, RK30 nursed her pup (RH38) for a total of 50 days.

The average number of nursing days for Kauai moms since 2012 is 42 days. Last year, RK30 nursed for 49 days while both RK28 and RO28 nursed their pups for 39 days each.

The shortest number of nursing days occurred in 2012 when RK13 weaned RL10 after 32 days. During her pregnancy, RK13 experienced two injuries consistent with shark bites that left her in smaller condition than her usual pregnancy weight.

Here are some of the very last photos of PK1 with RB00 and also a few from his first day on his own. Watch for one photo in particular that illustrates clearly why some people theorize that the moniker “monk” for these seals harken to the kind of hood some religious monks wear as part of their habit.

As always, thanks to Gary Langley for so generously sharing his photographs.

This slideshow requires JavaScript.

Read Full Post »

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.

 

This slideshow requires JavaScript.

Read Full Post »

HMS_RH38_photo (7) by Laura Grote © The Marine Mammal Center_NOAA permit #18786 (1)

RH38 at Ke Kai Ola. Photo credit: L. Grote.

Last summer, when she was then one year old, RH38  started steadily losing weight. In August, she was transported by a US Coast Guard C-130 to Kona where she was examined by the team at Ke Kai Ola. RH38 was born to RK30 in 2016 and nursed for 50 days. She was the first Kauai seal to be treated at the Hawaiian monk seal hospital on Hawaii Island.

IMG_1620

RH38 in July 2017 before her visit to Ke Kai Ola. Photo credit: J. Thomton.

At Ke Kai Ola, it was discovered RH38 was heavily infested with tapeworms. Intestinal parasites are not uncommon in monk seals, and have been documented to inhibit growth and even cause death in young Hawaiian monk seals. After fattening up–from 88 lbs on entrance to 185 lbs at release–RH38 was flown back to Kauai last November. Shortly thereafter, she began the first of her annual molts.

DSCN6147 - Copy

Since then, RH38 has behaved like a normal wild seal–and that’s good news especially whenever a seal is treated by humans. If a seal habituates to humans, they might start to interact with them in ways that are dangerous for the human as well as the seal.

At two-and-a-half years old, RH38 is regularly seen hauling out up and down the coastline along Kauai’s eastside. And as the buildup of green algae on the pictures below (taken today) indicate, she looks like she’s heading for her second annual molt in the coming months.

DSCN5381

RH38. Photo credit: L. Miyashiro.

DSCN5379

RH38. Photo credit: L. Miyashiro.

Earlier this summer, Kauai’s second seal headed to Ke Kai Ola for rehab. RK58, born to RH58, was not quite three weeks old when he was flown to Hawaii Island. (Read here to learn more about the unusual reason why he was sent to rehab.) RK58 is now learning how to catch live fish and will be returned to Kauai in the coming weeks. As with RH38, it’s absolutely vital that RK58 does not interact with humans upon his return, so he can live a long and wild seal life. We’ll share more about RK58 in the coming weeks.

Read Full Post »

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.

Read Full Post »

H38-171203-BD8_3553

PC: B. Downs.

As a follow up to last week’s post on molting, it appears that RH38 has completed her molt. She’s lost the green and is back to sporting a sleek silvery coat. She’s also starting to navigate along the North Shore. This is good news, because RH38 spent several weeks in late summer at Ke Kai Ola being treated for a high load of intestinal parasites right as she was entering her pre-molt phase. RH38’s moved some 15 miles along the coast from where she was released back into the wild. It’s good too see RH38 moving about again like a healthy wild seal.

Now, it’s important RH38 remain a normal wild seal. That is, that she doesn’t habituate to humans and human things like boats and harbors and surfboards. During RH38’s time in rehab, her caregivers at Ke Kai Ola were careful to prevent this, but the fact remains that she spent several weeks around humans. Hopefully, RH38 does not look favorably upon that experience and will go out of her way to avoid humans.

This is where you can help. If you see RH38 interacting with people on the beach, in the water, around boats, near harbors, please let us know at 808-651-7668.

 

H38-171203-BD8_3551

PC: B. Downs.

H38-171203-BD8_3549

PC: B. Downs.

H38-171203-BD8_3552

PC: B. Downs.

H38-171203-BD8_3550

PC: B. Downs.

Read Full Post »

Monk Seal Monday #5

It’s the Monday after Thanksgiving, and there’s probably a few of us who could shed a few pounds after feasting all weekend, so let’s talk about molting.

Healthy Hawaiian monk seals molt once a year. That is, they shed the top layer of their skin–and their fur along with it. It’s called a “catastrophic” molt, because it happens over a shortened period of time of about 10 days to two weeks. Unlike a snake, say, the process doesn’t happen all in one piece but in bits and pieces. A monk seal can look pretty raggedy during this time. The molting process taxes the monk seal’s energetic resources, so you’ll often find a molting animal tucked under bushes and resting on the beach. That’s all the more reason to not disturb them and why the HMSRP rarely uses them as study subjects–say for telemetry and/or video camera purposes.

We’ve got a couple Hawaiian monk seals going through their annual catastrophic molts right now and a few more ready to start any time, including RH80, RH38, and, possibly, RK14.

The clue to knowing when a monk seal is about to molt is when they start looking very green. Monk seals tend to spend two-thirds of their life in the water. During that time, algae can grow on their fur, typically in areas where a monk seal’s fur doesn’t always dry out–under the fore flipper and around their rear flippers.

IMG_1620

lynn-nowatzki

Photo credit: Lynn Nowatzki

Read Full Post »

RH38 is back and looking fit!

After 84 days in rehab at Ke Kai Ola (also known as the “Monk Seal Hospital”) on Hawai‘i Island, the yearling monk seal gained nearly 100 pounds. That’s more than a pound a day.

Here’s a video of RH38 exiting her carrier upon her return to Kaua‘i.

And here she is entering the ocean.

When we think of threats to Hawaiian monk seals, we often think of entanglements with marine debris. We think of monk seals ingesting fishhooks. These are the more obvious threats. That is, the ones we can easily see. But there are other threats that require the aid of microscopes to see, and that’s exactly what RH38 was fighting.

Gastrointestinal parasites (tapeworms) are not uncommon in monk seals; however, RH38 was carrying such a heavy load, it had a negative effect on her health.

IMG_1631

This photo of RH38 was taken in July. (PC: J. Thomton)

IMG_1620

This photo of RH38 was taken in July. (PC: J. Thomton)

RH38 was born to RK30 in the spring of 2016 at a remote beach along Napali Coast. At weaning, she was reported to be one of the largest pups of the 2016 season across the state. However, in the ensuing months, as you can see from the photos above, she lost quite a bit of weight. At her release from Ke Kai Ola last week, she topped out at a healthy 185 pounds. What’s more, she’d been de-wormed. She’s now in the perfect condition to go through her first annual molt, which, by the looks of all the green algae growing on her, is likely to happen soon.

When monk seals molt, they do so all at one time, over the course of 10 days to two weeks, spending much of that time conserving energy on the beach.

Since RH38’s about to experience her first molt, she was not outfitted with a telemetry tag that would tell us her whereabouts, because it would simply fall off as soon as the patch of hair and skin holding it in place does.

Ke Kai Ola was recently recognized by NOAA with a “Species in the Spotlight Hero Award” during the “Year of the Monk Seal” for their conservation efforts in helping recover the endangered Hawaiian monk seal. Since the hospital opened three years ago, Ke Kai Ola has rehabilitated and released 20 monk seals back into the wild. We are very grateful for their assistance in helping RH38 return to tip-top shape.

As well, we couldn’t move ailing monk seals quickly from Kaua‘i to Hawai‘i Island without the help of the U.S. Coast Guard who, once again, provided a lift for RH38. That’s two airplane flights for this one-and-a-half-year-old monk seal.

 

Read Full Post »

Older Posts »