Category Archives: Animal census

Storms on the Way

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Weather Today: 

  • Sky partly cloudy, intermittent rain
  • Visibility
  • 20-35 knots W- SW throughout the day
  • Sea state: Swells up to 1.5 m, 1-2 foot chop

Visitors: Few boats through the reserve today as the seas have been a bit rough. A few eco-tourism boats in late afternoon watching a humpback whale just outside of the reserve.

Ecological: 

  • Not many unusual bird sightings this week as it has been incredibly windy. Quite a few more cormorants this week!
  • Erica, or GE103 has been enjoying napping around race rocks still this week. Her favorite spot is the jetty, although if there are too many sea lions she will venture higher onto the middle part of the island for some proper rest.

Census: 

  • 69 Harbour seals
  • 23 Glaucous-winged gulls
  • 163 California gulls
  • 43 Brandt’s cormorants
  • 263 Stellar sea lions
  • 695 California sea lions
  • 2 Bald eagles
  • 1 Elephant seall
  • 1 Sea otter
  • 1 Humpback whale (just outside of the reserve)
  • 10 Black turnstones
  • 5 Savannah sparrows

Saturday Census, Storm Brewing

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Weather Today: 

  • Sky intermittently foggy, clear (dark clouds blowing in from W)
  • Visibility 10-15 NM
  • Wind 25-35 Knots NW
  • Sea state: white caps, 2-3 foot chop

No visitors today. A few eco-tourism boats , 1 pleasure craft, and a large group of kayakers in the mid afternoon passed through the reserve.

Yesterday we glanced a humpback whale outside the reserve in the early morning. We have seen far fewer whales inside of the reserve as compared to last year’s fall (none!).

Census: 

  • 1 Elephant seal (GE103)
  • 16 Canada geese
  • 127 Glaucous-winged gulls
  • 633 California gulls
  • 3 Savannah sparrows
  • 2 Black turnstones
  • 1 Black oystercatcher (spotted amongst a group of gulls!)
  • 49 Brandt’s cormorants
  • 1 Sea otter
  • 19 Harbour seals
  • 511 California sea lions
  • 128 Stellar Sea lions

Break in Foggy Weather: Census + Pelican!

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Weather: 

  • Sky partly cloudy, some sun and blue sky
  • Visibility 10-12 NM
  • Wind 20-15 knots W
  • Sea state: fast moving currents, still fairly flat despite wind

The fog horn continued for 20+ hrs each day until today. For most of this week we have had less than 100m visibility, making it impossible to see even a boat passing through race passage or the end of the jetty. At some points, we could barely see the guest house from the main residence! It can be difficult to focus and/or work productively during these long periods of fog, as the fog horn sounds three long high-pitched “beeps” every 45 seconds. More info on the history of Race Rocks foghorns Here!

Visitors: 

  • There have not been any visitors to race rocks since Monday when Greg and a contractor stopped in briefly.
  • There have been 1-2 tour boats in the reserve daily, but we can often hear them before we see them in the fog. The sea lions are easily startled by them because of the limited visibility, and sometimes when the boats emerge from the fog the sea lions run into the water.

Ecological Observations: 

  • The sea lions have officially taken over the island! We have been dutifully repairing the electric fences daily to keep them from damaging the buildings and especially from disrupting the burial cairns.
  • There have been an incredible amount of interesting birds to observe this week, despite the weather. Today we saw a pelican while enjoying the sunshine right from our back porch! This is a new sighting for us at Race Rocks and we were quite ecstatic.
  • On the note of bird sightings, we are hopeful for the installation of a new bird tracking device on Race Rocks sometime soon which will allow us to view migratory birds passing through the reserve as it detects their tracking bands.
  • One of our favorite elephant seals, E103 or “Erica” has returned again. We were happy to see her looking healthy yesterday- she had been hiding behind the piles of sea lions, and we only saw her once we had shooed them to install more electric fencing.
  • Identifying gulls is incredibly difficult. Some of them look the same aside from a slight wing color difference or color of feet determining them as a separate species! We are wondering if the gulls we have been assuming to be non-breeding california gulls are actually thayer’s gulls. Back to the id books!

Census:

  • 96 Stellar sea lions
  • 383 California sea lions
  • 88 Harbour seals
  • 1 Elephant seal
  • 1 Sea otter
  • 52 Brandt’s cormorants
  • 1 Brown Pelican
  • 1 Oregon junco
  • 2 Fox sparrows
  • 15 Savannah sparrows
  • 1 Yellow-rumped warbler
  • 1 Short billed dowitcher
  • 14 Black turnstones
  • 8 Canada geese
  • 320 Glaucous winged gulls
  • 113 California gulls
  • 20 Heerman’s gulls

Students, Whales, Census, Seal!

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Weather:

  • Sky clear and blue. Much less smoke than yesterday (currently 13 wildfires burning in washington state).
  • Visibility 10 NM (visibility reduced due to smoke)
  • Wind 5-10 knots SE
  • Sea state: calm

Visitors:

  • As the students return to the Pearson College campus we are being joined by small groups of first year students to introduce them to race rocks. We have been enjoying showing them around and sharing about the ecology- they ask great questions!
  • Greg has been accompanying these trips as well as MJ
  • Few boats in the reserve now that the long weekend is over. Quite a few whale watching boats following the humpback whales that we have been seeing in the strait.

Ecological Observations: 

  • The sea lion numbers are climbing daily still. There are many more california sea lions than stellars right now.
  • We have been seeing the occasional small group of black turnstones (less than ten) but the large migrating groups have moved on.
  • Yesterday we spotted a short billed dowitcher!
  • Today we were joined by one young elephant seal on the jetty ramp. Unfortunately the sea lions are not the most friendly company and it seems that they have scared it away.
  • We have been seeing groups of cormorants in the reserve, mainly on the south islands and seal rocks.
  • We have been spotting at least 1 humpback per day in the juan de fuca strait

Census: 

  • 1 Elephant seal
  • 1 Sea otter
  • 155 Harbour seals
  • 213 California sea lions
  • 71 Stellar sea lions
  • 395 Gulls (California)
  • 1 Savannah Sparrow
  • 1 humpback whale (!)
  • 4 Canada geese
  • 6 Black turnstones
  • 6 Song sparrows

August 31 – Weekly Census and Shift Change

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Wind: W 2-15 knots
Sea State: calm
Visibility: 5-15 NM
Sky: partly cloudy in early morning, then clear
Temperature: 11-17 °C
Atmospheric CO2: 411.90 ppm (recorded by NOAA at Mauna Loa Observatory, Hawaii)

Census results recorded this morning at low tide for the mammals and throughout the day for the birds:
26 steller sea lions
110 california sea lions
1 sea otter
290 harbour seals
1 Canada goose
7 pelagic cormorants
1,232 california gulls
251 glaucous-winged gulls
98 gull chicks
2 black oystercatchers
7 black turnstones
1 song sparrow

There were a lot of eco tourism boats passing through the ecological reserve today. An outrigger canoeist paddled through the main channel in the mid morning and again in the early afternoon.

Tomorrow is my last day as the Ecoguardian. Mara and Kai are returning for a few months. I have enjoyed being back on this wonderful island for the past 17 days, learning on the edge where the land meets the sea meets sky. Race Rocks is a unique place that couldn’t exist without the work of Pearson students, staff, faculty, alumni and volunteers.

Here are some sights from around the island today:

 

 

 

 

August 24 – Weekly Census

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Wind: W 4-19 knots
Sea State: calm in morning, rippled in afternoon
Visibility: 10-15 NM
Sky: overcast, then clear from mid morning onwards
Temperature: 13-15 °C
Atmospheric CO2: 412.21 ppm (recorded by NOAA at Mauna Loa Observatory, Hawaii)

Here are the numbers from today’s census:
30 steller sea lions
121 california sea lions
1 sea otter
167 harbour seals
1 bald eagle
2 pelagic cormorants
742 california gulls
518 glaucous-winged gulls
169 gull chicks
4 black oystercatchers
14 pigeon guillemots
1 black turnstone
2 killdeer

I was excited to see the fluffy head of the sea otter this afternoon. This morning when doing the census count from the top of the tower, I scanned the kelp but couldn’t see the otter.

This afternoon, I gave TLC to the boat house, boat and boat dolly.

There was a steady stream of about two or three eco tour or pleasure boats per hour passing through the ecological reserve.

Here are some sights from around Race Rocks today:

Foggy Days and Sea Lions

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Weather:

  • Sky overcast, heavy to medium fog
  • Visibility 1 NM (less than 1 during heavy fog)
  • Wind 5-15 knots W
  • Sea state: rippled to small waves less than 0.2m

Marine Traffic/Visitors:

  • A small handful of eco-tourism boats came thought the fog today.
  • Over the weekend, Sunday especially, there were many small pleasure crafts and a few eco-tourism vessels

Ecological Observations: 

  • A pod of four orcas was in the reserve on August 6th! They stayed in the area for about 10-15 minutes before heading towards Pedder Bay!
  • The sea lions are returning. Over the last few days there has been at least a dozen hauled out on the north side of the island near the crane, with more on the outcropping rocks.
  • The seagull chicks seem to be growing faster every day – we’ve spotted a few that are beginning to fly short distances.
  • When we do our water sample from the jetty we see pigeon guillemots perching up on the nearby rock, always in pairs, and sometimes with fish. They are very tricky about waiting until nothing is watching to take food back to the nest!
  • The fog and the nesting birds keep us inside most days without a good view of animals. More pictures and a census to come as soon as we can see!

Census:

  • 40 California sea lions
  • 51 Stellar sea lions
  • 111 Harbour seals
  • 1 Elephant seal (male moulting)
  • 552 Glaucous-winged gulls (nesting, some chicks that are big enough to see included)
  • 388 California gulls
  • 12 Oystercatchers
  • 112 Black turnstones
  • 2 Ruddy turnstones
  • 1 Surfbird
  • Pigeon guillemots were not visible at the time of this census (very windy), but the numbers have been consistent from last week as they continue to care for their young.

Census and a Beautiful Day

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Weather: 

  • Visibility 0-10 NM (some intermittent morning/evening fog)
  • Sky clear
  • wind 25-30 knots W
  • Sea state: rippled, whitecaps
  • A steep decline in humidity today helped dry out the island after a bit of rainfall

Neat Fact: The body temperature of seals is very similar to our own! Endothermic like us, they maintain an internal temperature of 36.5-37.5 degrees Celsius.

Marine Traffic/Visitors: 

  • Greg visited today to top up island supplies before the college vessel goes for regular maintenance
  • Not many boats today- around 5 eco-tourism vessels.

Ecological Observations:

  • Elephant seal V173 was not here today. We wonder if she was just stopping for a rest or if she will be back soon.
  • There have been very large groups gulls and also black turnstones migrating through, intermingled with a few surfbirds. There were so many today that we took a photo from the lighthouse in order to count them!
  • The pigeon guillemots seem to be nesting in full force. We have spotted many carrying fish into crevices on the west side of the island near camera five and also the rock walls on the east side.
  • The seagull takeover has seemingly started to ease and moving around the island is becoming easier day by day. The chicks are beginning to be able to escape the attacks of the rival adult gulls by flapping their wings and flying/hopping away.
  • On a slightly…mushier note (stop reading if you get queasy!): Yesterday we removed the gull that was eviscerated on our back porch. We let it sit for a few days to see if an otter would come back for it or if the gulls might take a nibble (neither occurred). We were surprised by the amount of maggots that had grown in only a couple of days, presumably due to the warm and humid weather recently.
  • The sea lion population is increasing every day and they are started to climb onto the main rock. It’s almost time to put up the electric fence or we will have unwelcome house guests!
  • The geese have suddenly left this week (all but 4). Interestingly, earlier in the week we saw a flock of 17.

Census: 

  • 4 Canada geese
  • 985 Seagulls (does not include chicks)
  • 84 Harbour seals
  • 1 Male elephant seal
  • 25 Stellar sea lions
  • 19 California sea lions
  • 88 Pigeon guillemots
  • 2 Bald eagles
  • 1 Humpback whale (in the straight)
  • 1 Brandt’s cormorant
  • 12 Black oystercatchers
  • 143 Black Turnstones
  • 1 Sandpiper ((?) will update with confirmed id!)

 

 

 

Bird observations and census

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Weather:

  • Visibility 8 NM
  • Sky clear changing to some cloud cover later in the day
  • Wind 10-20 knots W
  • Sea state: waves up to .5 m
  • We had an interesting ‘burst’ of fog around 1700hrs: while outside we noticed the wind picking up quickly and a fog front moved over us such that we could see the edge of it pass overhead – the fog horn went off for maybe 5 minutes, and then the fog disappeared as fast as it came!

Marine Traffic/Island Visitors:

  • Greg visited today
  • There have been some eco-tourism boats, about 5 so far day.
  • Some private vessels: mostly staying outside of the area and fishing, a couple of them came through and looked around.

Ecological Observations: 

  • We noticed a pair of pigeon guillemots mating on the rocks above the jetty today, this is the first time we have observed this.
  • Also near the jetty, the oyster catcher chick living in and above the intertidal area is growing quickly – it moves fast and sometimes strays away from its parents but cannot fly yet. It is still relying on the adults for food.

Census:

  • 13 geese
  • 12 oyster catchers
  • 3 oyster catcher chicks
  • 142 harbour seals
  • 2 elephant seals
  • 442 seagulls
  • 2 sea lions
  • Roughly 40-50 pigeon guillemots – these are hard to count!

What a Windy Weekend! (seagull chicks, census)

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Today’s Weather: 

  • Sky partly cloudy (thick fog until late afternoon)
  • Visibility 10 NM (less than 200 m until late afternoon)
  • Wind 30-35 knots W
  • Sea state: swells up to .5 m, whitecaps

Marine Traffic/Visitors: 

  • Not many pleasure crafts this weekend as it was very windy (up to 40 knots!).
  • Greg visited today to deliver supplies
  • More whale watching boats this weekend than we have been seeing, around 5 per day.

Ecological Observations:

  • The seagull chicks have started hatching! Only a few nests have hatched so far. We have observed the chicks asking for food and the parent not feeding them. We wonder if there is enough food available to support them all through this nesting season.
  • One of the first nests to hatch had 3 chicks, but now they are nowhere to be seen. We are observing with an investigative eye as nesting season progresses, as we observed many instances of adult birds cannibalizing each other’s chicks last year.
  • One of the four goslings was eaten by seagulls on Saturday afternoon. The remaining three seem healthy and strong.
  • Not many visiting birds this past few days, perhaps due to the high winds.
  • Many harbour seals hauled out on outcroppings during the notably low tides over the past couple of weeks. The young seal pups are still keeping close to their mothers but we have not seen any still nursing.
  • The oyster catcher chicks are growing at an impressive rate! They seem to be doubling in size almost every week. They are now old enough to venture away from the protection of the rocky areas and explore the intertidal with their parents.

Census: 

  • 2 Male elephant seals moulting
  • 500 Seagulls, handful of chicks
  • 16 Adult geese
  • 3 Goslings
  • 10 Adult black oystercatchers
  • 3 Black oystercatcher chicks
  • 56 Harbour seals

Throughout the week we also observed pigeon guillemots, eagles, and a pair of swallows. The sea lion who was here alone over the past weeks seems to have moved along.