This gallery contains 6 photos.
Wind: yesterday W 15-40 knots, today variable 2-17 knotsSea State: yesterday up to 0.5m chop, today up to 1 m chopVisibility: both days 10-15 NMSky: both days partly cloudyTemperature: both days 4-7 °CAtmospheric CO2: 415.60 ppm (recorded by NOAA at Mauna Loa Observatory, Hawaii) … Continue reading
Wind: yesterday variable 1-21 knots, today W 2-31 knots
Sea State: both days rippled
Visibility: both days 10-15 NM
Sky: both days partly cloudy then clearing in the mid morning
Temperature: yesterday 4-10 °C, today 5-6 °C
Atmospheric CO2: 415.81 ppm (recorded by NOAA at Mauna Loa Observatory, Hawaii)
Yesterday morning, a new elephant seal arrived on the island. He has green tags on each tail flipper, D018 and D019. The green tags signify it was tagged at Año Nuevo Reserve, similar to the female juvenile seal here right now. Due to the website being down for a few days, I didn’t realize at the time the seal was the same one here for the last two weeks of December. The seal was also seen here for two weeks in April 2019. I reported the sighting to Dr. Patrick Robinson, the Director of Año Nuevo Reserve, near San Francisco in California. He reported back that the seal was born at the beginning of 2017, meaning he is now a three year old sub adult. Based on the photos I sent Dr. Robinson and included in the gallery below, he determined the seal is in great body condition but fur/skin is in poor condition.
In the past few days, the sea lions have been taking over the jetty, something they haven’t done in critical mass since the beginning of the winter. This afternoon, I finished setting up and testing the electric fence on the jetty to deter sea lions from congregating and damaging the railings and boat cleats. When I need to use the jetty to test the seawater or for boats, the sea lions need to be cleared off. No matter how slowly I approach the them, they only have one speed of getting off the jetty, which is stampede. It will take some time each day to maintain the fence from sea lions bumping it, as well as wind and waves.
Only one boat was seen in the ecological reserve, a Coast Guard rigid hull inflatable went through Middle Channel yesterday afternoon and stopped to take photos of sea lions on the rocks.
Wind: yesterday variable 4-40 knots, today W 3-25 knots
Sea State: yesterday up to 1 m chop, today rippled
Visibility: yesterday 10 NM, today 15 NM
Sky: yesterday partly cloudy with rain in morning, today clear
Temperature: yesterday 5-8 °C, today 5-7 °C
Atmospheric CO2: 415.65 ppm (recorded by NOAA at Mauna Loa Observatory, Hawaii)
I took soundings on all the water and fuel tanks as well as other notable measurements for the month end report. Here are some of the numbers. The desalinator produced 6,650 L of water, which was used mostly for pressure washing the buildings and other cleaning. 540 L of diesel was used to run the generator to top of the batteries, when there wasn’t enough sun to charge the solar panels. The generator ran for 141 hours over the month, for an average of 4.5 hours/day. There were 24 visitors (16 unique visitors) to the island over the course of the month.
No boats were seen in the ecological reserve over the past two days.
See the gallery below for views around the island.
| Day | Time | Temp. ºC | Salinity ppt |
| 1 | 8:24 | 7.7 | 31.7 |
| 2 | 8:55 | 7.8 | 31.6 |
| 3 | 7:14 | 7.8 | 31.4 |
| 4 | 6:53 | 7.7 | 31.6 |
| 5 | 7:59 | 7.8 | 31.4 |
| 6 | 9:15 | 7.8 | 31.5 |
| 7 | 10:32 | 7.9 | 31.5 |
| 8 | 11:12 | 7.9 | 31.7 |
| 9 | 14:00 | 7.8 | 32.4 |
| 10 | 15:47 | 7.9 | 32.0 |
| 11 | 16:53 | 7.9 | 32.8 |
| 12 | 17:06 | 7.9 | 32.6 |
| 13 | 19:33 | 7.7 | 32.2 |
| 14 | |||
| 15 | |||
| 16 | 7:18 | 7.3 | 31.6 |
| 17 | 8:14 | 7.4 | 31.5 |
| 18 | 7:55 | 7.5 | 31.5 |
| 19 | 9:10 | 7.7 | 31.4 |
| 20 | 10:49 | 7.8 | 31.6 |
| 21 | 13:02 | 8.0 | 31.7 |
| 22 | 16:19 | 8.1 | 31.6 |
| 23 | 14:56 | 7.9 | 31.9 |
| 24 | 15:44 | 7.9 | 31.9 |
| 25 | 16:31 | 8.0 | 31.8 |
| 26 | 17:23 | 7.9 | 31.8 |
| 27 | 18:25 | 8.0 | 31.8 |
| 28 | 8:16 | 7.9 | 31.7 |
| 29 | 8:10 | 7.9 | 31.5 |
| 30 | 6:35 | 7.8 | 31.8 |
| 31 | 6:44 | 7.7 | 31.7 |
Wind: yesterday variable 1-19 knots, today W 5-25 knots
Sea State: yesterday calm, today up to 1 m chop
Visibility: yesterday 10 NM, today 15 NM
Sky: yesterday partly cloudy, today clear
Temperature: yesterday 8-10 °C, today 7-9 °C
Atmospheric CO2: 415.68 ppm (recorded by NOAA at Mauna Loa Observatory, Hawaii)
Today marks a big milestone for me, spending 100 days at Race Rocks. I’ve enjoyed witnessing the entire winter and transition into spring from this incredible ecological reserve on the edge, where the land meets the sea meets the sky.
Lots of chores were done around the island this weekend: cleaning windows, chopping wood rounds with the axe, vacuuming and mopping.
Two pleasure boats were in the ecological reserve today. A lone occupant of on of those boats was fishing near North Rocks.
Wind: yesterday mostly from W 4-22 knots, today N-NE 2-9 knots
Sea State: yesterday calm in morning 0.5m chop in afternoon, today calm
Visibility: both days 5-15 NM
Sky: yesterday overcast with patches of rain and sun, today partly cloudy
Temperature: both days 6-8 °C
Atmospheric CO2: 415.43 ppm (recorded by NOAA at Mauna Loa Observatory, Hawaii)
Census results from today:
6 elephant seals (2 female pups, 1 female juvenile, 3 female adults)
21 steller sea lions
62 california sea lions
1 sea otter
91 harbour seals
3 bald eagles (1 juvenile, 2 adults)
12 Canada geese
6 brandt’s cormorants
4 double-crested cormorants
10 pelagic cormorants
59 thayer’s gulls
12 black oystercatchers
14 harlequin ducks
108 pigeon guillemots
56 surfbirds
26 black turnstones
1 killdeer
1 song sparrow
There were no boats in the ecological reserve over the past two days.
Wind: yesterday variable 1-11 knots, today mostly W 2-17 knots
Sea State: both days calm
Visibility: yesterday 5-15 NM, today 10-15 NM
Sky: yesterday overcast, rain then clearing in early afternoon, today partly cloudy then clear from mid morning onwards
Temperature: yesterday 5-6 °C, today 5-10 °C
Atmospheric CO2: 414.34 ppm (recorded by NOAA at Mauna Loa Observatory, Hawaii)
I heard back about more information on the recently arrived female juvenile elephant seal pup, with green tags E103 and E135. Dr Patrick Robinson, the Director of the Año Nuevo Reserve and Lecturer at University of California Santa Cruz, sent a report of the history of the seal’s sightings and said, “It’s always great to get these updates… we greatly appreciate it!” The seal was born in the 2018 winter season, which makes her just over two years old. She was seen a lot during the winter and spring of 2018 at Año Nuevo Reserve. Researchers took two blubber samples to study bioaccumulation. The seal wasn’t seen again until the fall of 2019, when she spent a month at Race Rocks between September 7 and October 11. Fast forward a few months, the seal came back to Race Rocks two days ago, on March 23. She appears to be in the early stages of her catastrophic moult of her fur and skin, judging by the patches on her sides.
The youngest elephant seal pup returned yesterday morning from her one day adventure in the sea. She spent the whole day sleeping by the wood pile. The oldest pup has been gone for the past two days. A new adult female elephant seal arrived yesterday. She is most likely one of the four mothers that was here in January and February. So far the three have come back a month and a half after they each weaned their pups, which happened on January 21, February 4 and February 9.
At today’s 16:31 high tide, after recording the salinity and temperature of the water, I hooked up the hoses and pump to top up the seawater in the cistern. The gas powered water pump sucks water through a hose with a strainer dropped off the end of the jetty. The water is pumped through 76 m (250′) of fire hose up to the cistern. Over a couple hours, tens of thousands of litres of water were pumped into the underground cistern, which should feed the desalinator for the next month and a bit.
Yesterday, there was one pleasure boat that zoomed through Middle Channel and stopped by the rocks to take photos of sea lions. This afternoon, the Canadian Coast Guard lifeboat Cape Calvert, appeared to be out for a cruise around Race Rocks from the base in Victoria. They came in for a closer look and a couple of the crew appeared to be snapping photos of Race Rocks with their phones. This is a very photogenic place. This afternoon, Guy, Corey and Christine from Pearson College delivered a new fridge and took away the old one that recently stopped working. They also brought some fresh food from the Pearson kitchen, which is closing down for a while.
Here are a few photos from the past two days:
Wind: yesterday W 7-31 knots, today W 6-26 knots
Sea State: both days calm in morning, 1′ chop in afternoon
Visibility: both days 8-15 NM
Sky: yesterday clear, today rain overnight then partly cloudy with rain in evening
Temperature: yesterday 6-8 °C, today 6-7 °C
Atmospheric CO2: 414.34 ppm (recorded by NOAA at Mauna Loa Observatory, Hawaii)
The population of elephant seals is increasing on Race Rocks. The boat ramp, their preferred haul out spot, is getting a lot of traffic. Yesterday morning, an adult female arrived and quickly made her way up to the centre of the island. She could be one of the females who left in January or February, based on her size and scars on her back from mating.
I realized this morning the adult female elephant seal I have been seeing on and off for the past three weeks was in fact the first mother of this winter. In the month the seal and I were both here on this island from December 21 to January 21, I never realized she had two flipper tags. I only ever saw the ones marked T562 on both sides of one of her flippers. This morning I saw two sets of different tags, one on each flipper. Perhaps the mud and snow of the early winter concealed the tags. I also did not have as many opportunities to read the tags when the mother was spending most of here time either nursing her pup or mating with the alpha male.
Now that I know she’s the mother of the male pup, it could explains why that pup came towards her when she first arrived on March 3. The other pups moved away from her. Although, I haven’t seen the male pup interact closely or vocalize with its mother.
A juvenile elephant seal arrived this morning with two green tags, E103 and E135. There is something about today that made all the tags very visible. The seal looks to be very well fed for the upcoming moulting. This seal was here in the fall. She was born and tagged in Ano Nuevo, on the coast of California between San Francisco and Santa Cruz. I haven’t been able to figure when she was born. See the log post from September 30, 2019 for ecoguardian Mara and Kai’s details of the seal they called Eric. A few weeks later, Ecoguardian Laas revealed this seal was a female and named her Erica in the log post from October 11, 2019. Naming the seals can get confusing.
While not all elephant seals are tagged, some are studied for all kinds of factors from movements to genetics to bioaccumulation and generally understanding more about this fascinating species. I am realizing as the seals move around Race Rocks, how difficult it is to tell them apart. The pups are starting to look more alike as they lose the last of their pup fur. It’s a fun game as I try to track their movements as best I can, while I move around the island doing my daily routine.
With the arrivals of seals, there was also a departure today. The youngest seal pup was outside the house last night when I went to turn off the generator and desalinator, but nowhere to be seen this morning. Perhaps she ventured out a little to far from the shallow end of the jetty bay where she has been practicing her swimming. I am curious if she will return, as two months old is a bit young to leave for good. The other two pups are still here.
There were no boats seen in the ecological reserve over the past two days. I heard a solo kayaker by the name of Travis paddled around the islands yesterday.
Here are some photos from the past two days:
Wind: yesterday W 0-30 knots, today mostly W, SE in early afternoon 1-28 knots
Sea State: both days calm in morning, rippled in afternoon
Visibility: both days 10-15 NM
Sky: both days clear
Temperature: yesterday 6-8 °C, today 6-11 °C
Atmospheric CO2: 414.34 ppm (recorded by NOAA at Mauna Loa Observatory, Hawaii)
All three elephant seal pups were swimming near the boat ramp both yesterday and this morning. The middle aged pup has taken to a napping spot on the concrete between the boat ramp and the rocks.
When I did the census observations today, I was surprised there were only 84 pigeon guillemots. I counted twice to make sure. The little black and white birds with bright red feet appear to be everywhere around the shoreline and in the water around the main island. They are constantly moving about and making their high-pitched whistling call.
I had a great view of a sea otter this afternoon. While out in the boat taking a photo of the main island, I heard what sounded like a slapping sound on the water. I turned around to see the sea otter about 20 m from the boat crack open clamshells on its chest. The otter had a few clams lined up. I turned off the engine and watched the otter quickly eat a few clams, then repeatedly dive down and eat more.
Today, there were nine pleasure crafts, one sailboat and the Race Rocks station boat in the ecological reserve, the most boats of any day this year. A pleasure boat with five people stopped at the jetty this evening. Three people walked along the jetty to get a closer look at the elephant seal pup napping beside the boat ramp. I approached and drew their attention to the large sign that explains the purpose of the ecological reserve and that permission is needed to come ashore. They were very nice and asked a few questions about the marine mammals before they left. No boats were in the ecological reserve yesterday.
Census results from today:
4 elephant seals (1 adult female, 2 female pups, 1 male pup)
10 steller sea lions
82 california sea lions
1 sea otter
50 harbour seals
8 bald eagles (3 adults, 5 juveniles)
11 brandt’s cormorants
6 double-crested cormorants
19 pelagic cormorants
9 Canada geese
251 gulls (mostly thayer’s gulls)
8 black oystercatchers
1 whimbrel
26 harlequin ducks
84 pigeon guillemots
4 surfbirds
12 black turnstones
Here are some photos from the past two days:
Two short videos of the youngest elephant seal pup learning to swim in the shallow water. In the first clip, she appears to be playing with a little bull kelp. In the second clip, she is blowing bubbles. The sounds of many species can be heard: california sea lions, thayer’s gulls, black turnstones and pigeon guillemots.
Wind: yesterday W 0-25 knots, today mostly W 1-22 knots
Sea State: both days calm
Visibility: yesterday 15 NM, today 10-15 NM
Sky: both days clear
Temperature: yesterday 5-8 °C, today 6-10 °C
Atmospheric CO2: 414.58 ppm (recorded by NOAA at Mauna Loa Observatory, Hawaii)
Today marks the official start of spring at Race Rocks and the rest of the northern hemisphere. The days will keep getting longer until summer solstice, on June 20.
Two of the elephant seal pups marked the occasion by going for a swim this morning. When the sun rose, they were all on the boardwalk near the crane. When I went out to check the salinity and temperature of the water at the 9:09 high tide, the oldest and youngest pups were at the edge of the water on the boat ramp. The other pup was still up on the boardwalk. The youngest pup stayed at the water’s edge for about two hours. The all spent the rest of the day on the grass, basking in the sun.
Yesterday, the boats in the ecological reserve were three pleasure crafts, two tour boats and the Pearson College boat Second Nature to drop off food. Today, four pleasure crafts were in the area. Greg and Lawrence from Pearson came in Second Nature to drop off new solar panels to be added to the array. They also helped clean out the gutters on the Science House.
Here are photos of some views from the past two days:
