Category Archives: Animal census

August 24 and 25

Aside

On Wednesday, a Coast Guard Helicopter arrived with a repair crew to deal with the foghorn.  While the Glaucous-winged Gulls around the helipad were disrupted temporarily, and many California Gulls on the Middle Islands took to the air, most were back in their places within a few minutes. The marine mammals from harbour seals to elephant seals were relatively unaffected, with the exception of several Steller’s sea lions which briefly moved from the jetty area.  They returned within 10 minutes of the helicopter’s departure. Although the foghorn was given a clean bill of health in the good weather, it failed again on Thursday when the fog lasted several hours. The Coast Guard was notified.

Several branded sea lions are being seen.

A Common Raven (not common on Race Rocks) flew over the island around noon.

Census numbers show changes in the birds that have been breeding here. Most of the PIGU have moved on now that young have fledged. Likewise, GWGU numbers are dropping as young gulls take to the air.

Harbour seals and shorebirds have been adjusting to increasing presence of sea lions, with the former loafing more on the outer islets, and the shorebirds bunching up more against the rocks on the east of the island rather than on the beach.

This will be my last post as relief ecoguardian this year. It’s been a pleasure to be here again amongst the wildlife. I hope my personal project–renewal of the compost–will be appreciated by the ecoguardians who follow. For a more personal and detailed look at life as a relief ecoguardian, please check out my blog at http://nightingaleadventures.blogspot.ca

Ecological Notes:

  • The young elephant seals appear to have moved on. The alpha male continues and has started his molt, moving between the Science Building for resting and the jetty for relief.
  • Passerines seen in the last two days were Brown-headed Cowbird and Common Raven.
  • Branded Steller’s sea lions (882R, 998E, 431Y, and 486Y) and 1 branded California sea lion (V29) were seen during census on Wednesday.  882R and a new California sea lion (U958) were seen on Thursday. The latter also visited Race Rocks in 2020.
  • Bird action on the water over the last two days, with many birds feeding on the tide lines.
  • 2 California sea lions breached the fences on Thursday Both were escorted back to the other side of the fences.
  • See photos below for more ecological sightings.

Census (Wednesday, August 24):

Mammals

  • Elephant seal: 1 (1 adult male)
  • Steller sea lion: 210 (including branded (882R, 998E, 431Y, and 486Y)
  • California sea lion: 343 (including branded V27)
  • Harbour seal: 237
  • Sea Otter: 1
  • Harbour porpoise: 14 (to the west of the reserve)

Birds

  • Black oystercatcher: 5 (4 adults 1 chick )
  • Killdeer 1
  • Black Turnstone: 85
  • Surfbird: 10
  • Common Murre: 300, plus another 550 beyond the reserve
  • Pigeon Guillemot: 28
  • Rhinoceros Auklet: 8
  • Heermann’s Gull: 2
  • California Gulls: 800, plus another 500 beyond the reserve
  • Glaucous-winged Gulls: 343 adults 141 chicks
  • Pelagic Cormorant: 1
  • Brandt’s Cormorant: 11
  • Common Raven: 1
  • Brown-headed Cowbird: 1

Weather:

  • Yesterday (Wednesday, August 24):
    • Sky: Brief period of fog in the morning, then clear
    • Wind: Variable calm-25 kts
    • Sea: rippled to 2′ chop
    • Temperature Low 12oC, High 18oC
  • Today (Thursday, August 25):
    • Sky: Foggy until mid-afternoon, clear and sunny to overcast
    • Wind: W/WSW 16-37 kts
    • Sea:  light chop turning to high waves by evening
    • Temperature Low  12oC, High  20oC

Facility Work:

  • Solar panels cleaned daily. Windows washed.
  • Fence line visually inspected and several posts put back into place.

Vessel Traffic:

  • Many Canadian ecotour boats have been nearby and heading through the waters of the ecological reserve. Cruise ships are going through daily.

Here are photo highlights from the past two days. Click on the photos for larger views and captions.

431Y remains at Race Rocks

486Y still on Race Rocks

882R branded at Rogue Reef, OR in 2011

998R still on site

Sea Otter is back in the kelp off the east side of Race Rocks.

Foghorn repair crew landing

Coast Guard crew cleaning their solar panels.

Alpha male elephant seal beginning his annual molt.

Steller’s sea lions

California Gulls circling during helicopter approach

Marine mammals were unperturbed by the helicopter.

Adult and some juvenile gulls departing as helicopter landed.

Youngsters gathered into creches when the adults left due to helicopter landing

It didn’t take long for the gulls to resume normal activities.

Alpha male elephant seal beginning his annual molt.

Alpha male elephant seal beginning his annual molt.

Alpha male elephant seal beginning his annual molt.

Brown-headed Cowbird

U958 was branded in Astoria, OR in 2015 and was previously seen at Race Rocks in 2020.

Surfbird molting from its breeding plumage.

Neck wound caused by entanglement.

Fence breach!

California sea lion branded at San Miguel Island, California in 2010.

August 16 and 17

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The compost rejuvenation project continues with 58 more buckets of aged compost removed from the first chamber to complete stage 1. Stage 2 involves moving the compost from the second chamber over to the first, turning and mixing it in the process.

Several branded sea lions are being seen.  When their histories are obtained, updates will be posted.

It has been very quiet on the water the last two days both mammal and bird-wise.

Ecological Notes:

  • All three elephant seals were seen on August 16 and 17
  • Only passerines seen in the last two days were Brown-headed Cowbird.
  • 26 Brown Pelicans circled Great Race before heading towards Esquimalt at dusk on Wednesday.
  • 2 branded Steller’s sea lions (486Y and 304Y) and 1 branded California sea lion (X759) were seen during census on Wednesday. 304Y was branded at Rogue Reef, Oregon in July 2011, and has been resighted from California to BC.
  • Very quiet on the water over the last two days.
  • See photos below for more ecological sightings.

Census (Wednesday, August 17):

Mammals

  • Elephant seal: 3 (1 adult male, two juvenile females)
  • Steller sea lion: 129 (including branded 304Y and 486Y)
  • California sea lion: 115 (including branded X759)
  • Harbour seal: 131

Birds

  • Black oystercatcher: 9 (8 adults 1 chick )
  • Killdeer 1
  • Black Turnstone: 49
  • Surfbird: 11
  • Common Murre: 2
  • Pigeon Guillemot:60
  • Heermann’s Gull: 2
  • California Gulls: 500
  • Glaucous-winged Gulls: 448 adults 203 chicks (including 1 banded adult)
  • Pelagic Cormorant: 4
  • Brandt’s Cormorants: 19
  • Double-crested Cormorant: 4
  • Brown Pelican: 26
  • Bald Eagle: 1
  • Brown-headed Cowbird: 3

Weather:

  • Yesterday (Tuesday, August 16):
    • Sky: Foggy most of the morning; sunny in the afternoon, with light cloud
    • Wind: W/WSW 15-25 kts
    • Sea: up to 2′ chop
    • Temperature Low 13oC, High 15oC
  • Today (Wednesday, August 17):
    • Sky: Clear and sunny
    • Wind: variable calm to 22 kts
    • Sea: calm to rippled
    • Temperature Low  14oC, High  25oC

Facility Work:

  • Solar panels cleaned daily. Windows washed.
  • Fence east of lighthouse repaired
  • Compost renewal project continues.

Vessel Traffic:

  • Many Canadian ecotour boats have been nearby and heading through the waters of the ecological reserve. Cruise ships are going through daily.
  • Tours from Pearson College continued on Wednesday.

Here are photo highlights from the past two days. Click on the photos for larger views and captions.

Compost chamber emptied and ready to be refilled.

On to the next chamber!

Potatoes were growing in the compost. Unfortunately not fit for human consumption.

Elephant seals

Brown-headed Cowbirds

Fence in need of repair

Glaucous-winged Gulls circling the tower

Gulls have been particularly aggressive with each other this week.

Colour-banded Glaucous-winged Gull

California sea lion

These look as though there might have been scientific equipment attached. https://www.fisheries.noaa.gov/alaska/marine-mammal-protection/california-sea-lion-research

Adult male and juvenile female elephant seals.

Steller’s sea lions on alert

Possibly scar from previous entanglement. No rope or line was visible.

Pearson College tour.

Branded California sea lion

Branded California sea lion

Brandt’s Cormorant (left) and Pelagic Cormorant (right) demonstrating size and shape differences.

Branded Steller’s sea lion

Brown Pelicans at dusk

Brown Pelicans

Flock of 26 Brown Pelicans

August 10 and 11

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Ecological Notes:

  • First sighting of Ollie the sea otter since I arrived. His new favourite location is in the kelp east of Great Race. I had seen him there on a boat trip on Aug 1.
  • First on-land passerines of my stay seen on Thursday, Aug 11: two juvenile Brown-headed Cowbirds. It is possible the bird I saw in the fog last week could have been one of these.
  • Sea lion numbers continue to climb.
  • Whale action must be in the Gulf Islands/San Juans, as fewer whale watching boats are coming this way.
  • Most of the young gulls are busy testing their wings, especially when the wind comes up.
  • Very low tides have revealed the eel grass beds and normally hidden intertidal zone.
  • See photos below for more ecological sightings.

Weekly Census observed on Wednesday, August 10:

Mammals

  • Elephant seals: 3 (1 adult male, two juvenile females)
  • Steller sea lions: 124
  • California sea lions: 40
  • Harbour seals: 186
  • Sea otter 1

Birds

  • Canada geese: 4
  • Harlequin ducks: 8
  • Black oystercatchers: 9 (8 adults 1 chick )
  • Killdeer 2 (only on island between dusk and dawn)
  • Black Turnstones: 194
  • Surfbirds: 17
  • Common Murres: 79
  • Pigeon Guillemots:183
  • Rhinoceros Auklets: 2
  • Heermann’s Gulls: 2
  • California Gulls: 353
  • Glaucous-winged Gulls: 341 adults 169 chicks (probably undercounted as wind caused a lot of chicks to seek cover)
  • Caspian Terns: 2
  • Pelagic Cormorants: 5
  • Brandt’s Cormorants: 12
  • Brown Pelican: 1

Weather:

  • Yesterday (Wednesday, August 10):
    • Sky: Overcast, with a few sunny periods
    • Wind: W 11-31 kts
    • Sea: up to 3′ chop
    • Temperature Low 12 oC, High 19 oC
  • Today (Thursday, August 11):
    • Sky: Overcast until mid morning, then partly cloudy
    • Wind: W 4-21 kts
    • Sea: calm to rippled
    • Temperature Low 14 oC, High 18 oC

Facility Work:

  • Solar panels cleaned daily. Some windows washed.  Postponed on Wednesday due to brief electrical storm. North side of researcher building skipped on Thursday due to presence of large elephant seal.
  • Compost renewal project continues.

Vessel Traffic:

  • Many Canadian ecotour boats have been nearby and heading through the waters of the ecological reserve. Cruise ship traffic is increasing

Here are photo highlights from the past two days. Click on the photos for larger views and captions.

Eel grass

Race Rocks mussel beds appear unaffected by last year’s heat dome

Eel grass and mussel beds

Leatherback chitons

Bull Kelp

Many varieties of seaweeds exposed by the low tides

Feather duster tube worms in the intertidal zone

Alumni tours from Pearson College continued.

Cooperative Brown Pelican for census

Brown Pelican south of Great Race

Lots of food available Aug 10

Bait balls nearby were a boon for gull chicks

Young California Gull

Heermann’s Gull

Harlequin Ducks (females)

Young elephant seals on the ramp

Young elephant seal

Caspian Tern

Juvenile Brown-headed Cowbirds

Brown Pelicans west of Great Race Aug 11

Brown Pelican

Brown Pelicans west of Great Race

Smoke is coming. Moonrise on Aug 11

California sea lions

Black Oystercatcher

Ollie the sea otter sighting

Pigeon Guillemots

California sea lion

August 2 and 3

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Tomorrow is a shift changeover and my last day on the Island. Ann Nightingale is coming to be the Ecoguardian. I have enjoyed my stay here for the past five weeks. The near constant west wind provided excellent air conditioning. I learned to live harmoniously with the nesting gulls and chicks. The marine mammals (elephant seals, sea otter, humpback whales, orcas, and Steller sea lions) provided me with plenty of entertainment. I fixed more things on the island than broke. Another successful Ecoguardian shift.

Ecological Notes:

  • The large male elephant seal spent the whole day today on the land, most of the time nestled against the north side of the Guest House.
  • The population of Steller sea lions has doubled in past week. The stench of sea lion poop is also growing down wind of Middle Rocks. There are even a few California sea lions showing up on the main island.
  • In the morning yesterday, myself and the two visitors took the station boat out for a trip to the closest land to the north. I enjoyed seeing a closer view of Bentinck Island, Rocky Point, Church Rock and Swordfish Island. There were many harbour seals hauled out on the rocks and little jumping fish along the way.
  • See the photo gallery below for the ecological happenings from the past two days.

Weekly Census observed on Wednesday, August 3:

  • Elephant seals: 3 (1 adult male, two juvenile females)
  • Steller sea lions: 95
  • California sea lions: 3
  • Harbour seals: 146
  • Bald eagles: 2 adults
  • Brown pelican: 1
  • Canada geese: 2
  • Cormorants: 5
  • Glaucous-winged gulls: 232
  • Glaucous-winged gull chicks: approximately 200 (They are hard to count due to their hiding in plants and rocks. Some chicks have died and new chicks have been born recently.)
  • Gulls (uncertain of species): 331 (around outer islands and congregating on the south end of Great Race Rocks)
  • Black oystercatchers: 8 adults (no chicks seen today)
  • Harlequin duck: 1 female
  • Pigeon guillemots: 132
  • Surfbirds: 12
  • Black turnstones: 148

Weather:

  • Yesterday (August 2):
    • Sky: Partly cloudy
    • Wind: W 11-28 kts
    • Sea: up to 1′ chop
    • Temperature Low 12 oC, High 15 oC
  • Today (August 3):
    • Sky: Overcast until mid morning, then partly cloudy
    • Wind: W 15-34 kts
    • Sea: up to 3′ moderate
    • Temperature Low 12 oC, High 15 oC

Visitors:

  • Abi and Jeremias, the two volunteers
  • 9 visitors from Pearson College in the afternoon of August 2

Facility Work:

  • Scrubbed and squeegeed solar panels, poured cement to fix a broken section of sidewalk, routine tidying and checking infrastructure around the island. 

DND Blasting:

  • Just before 13:00, there was one large blast from the DND lands at Rocky Point.

Vessel Traffic:

  • Many Canadian and American ecotour boats have been nearby and heading through the waters of the ecological reserve.

Here are photo highlights from the past two days. Click on the photos for larger views and captions.

July 27 and 28 – Weekly Census

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Ecological Notes:

  • I counted 40 Steller sea lions hauled out on Middle Rocks, the highest number so far this month.
  • About 200 black turnstones, ruddy turnstones, and surfbirds have been hunkering down in the east bay in the strong west winds for the past two afternoons and evenings.
  • See the photo gallery below for the ecological happenings from the past two days.

Weather:

  • Yesterday (July 27):
    • Sky: Fog at 07:40 until late morning, partly cloudy until fog at 17:00 onwards
    • Wind: W 9-29 kts
    • Sea: Rippled in morning, then up to 2′ chop
    • Temperature Low 13 oC, High 21 oC
  • Today (July 28):
    • Sky: Fog overnight until late morning, partly cloudy until fog rolled in at 16:00
    • Wind: W 18-32 kts
    • Sea: Rippled in morning, up to 3′ moderate in afternoon
    • Temperature Low 12 oC, High 14 oC

Weekly Census (observed on July 27):

  • Elephant Seal: 3
  • Steller/Northern sea lions: 40 on Middle Rock
  • Harbour seals: 132
  • Bald eagles: 2 (1 juvenile and 1 adult)
  • Canada geese: 6
  • Black oystercatchers: 21 (18 adults, 3 chicks)
  • Cormorants: 6
  • Glaucous-winged gulls nesting on the main island: 189
  • Glaucous-winged gull chicks: approximately 200 (It is hard to get an exact number due to their camouflage)
  • Gulls not nesting (some glaucous-winged and some other species) on the south end of the main island and outer islands: 156
  • Pigeon guillemots: 182
  • Surfbirds: 16
  • Black turnstones: 192
  • Ruddy turnstones: 6

Visitors:

  • No visitors

Facility Work:

  • Scrubbed and squeegeed solar panels, routine tidying and checking infrastructure around the island.

Vessel Traffic:

  • Many Canadian and American ecotour boats have been nearby and heading through the waters of the ecological reserve.

Here are photo highlights from the past two days. Click on the photos for larger views and captions.

July 19 and 20 – Weekly Census

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Ecological Notes:

  • An elephant seal swam up to the boat ramp at some point yesterday late afternoon or evening. When I went to do the seawater sample at 19:30, I spotted her sleeping at the water’s edge. As far as I can tell, she has been there ever since.
  • See the photo gallery below for more ecological happenings from the past two days.

Weekly Census recorded on Wednesday, July 20:

It was not an ideal day to record the census, as it was quite foggy. Although, I had a window of less fog at around noon, when I could see all the islets that comprise Race Rocks and the water in between, so I was able to count the species from the lantern room of the lighthouse. I counted other species throughout the day as I walked around.

  • Elephant Seal: 1
  • Steller/Northern sea lions: 15
  • Harbour seals: 125
  • Bald eagles: 2 (1 juvenile and 1 adult)
  • Canada geese: 9 (5 adults, 4 goslings)
  • Black oystercatchers: 11 (8 adults, 3 chicks)
  • Cormorants: 5
  • Glaucous-winged gulls nesting on the main island: 229
  • Glaucous-winged gull chicks: approximately 250 (It is hard to get an exact number due to their camouflage in the grass and hiding under their parents) 
  • Gulls not nesting (some glaucous-winged and some other species) on the south end of the main island and outer islands: 96
  • Pigeon guillemots: 163
  • Black turnstones: 2
  • Western sandpiper: 3
  • Fox sparrow: 1

Weather:

  • Yesterday (July 19):
    • Sky: Partly cloudy, fog in evening
    • Wind: W 3-29 kts
    • Sea: rippled, then up to 1′ chop in afternoon and evening
    • Temperature Low 11oC, High 15oC
  • Today (July 20):
    • Sky: Fog overnight, a mixture of partly cloudy and fog throughout the day and into the evening
    • Wind: W 12-30 kts
    • Sea: rippled, then up 2′ chop in afternoon and evening
    • Temperature Low 11oC, High 14oC

Visitors:

  • 2 visitors from Pearson College to deliver supplies. 

Facility Work:

  • Scrubbed and squeegeed solar panels, routine tidying and checking infrastructure around the island.

Vessel Traffic:

  • Many Canadian and American ecotour boats have been nearby and heading through the waters of the ecological reserve.

Here are photo highlights from the past two days. Click on the photos for larger views and captions.

July 13 and 14 – Weekly Census

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Ecological Notes:

  • The sea lion population is growing. For the past few days there have been 18 Steller sea lions hauled out on Middle Rocks. That is up from four sea lions one week ago. One of the sea lions has a brand. It appears to say 620R, although the researcher I contacted in Oregon mentioned it is what they call a bad brand and he was unable to determine the brand from the photos I sent. I will keep a look out for the sea lion and see if I can get a better view. The researcher will check his records to see if he can identify the sea lion and be able to record the resighting.
  • The super moon on Wednesday night rose in the southeast at 10:00pm. It was a big bright orange orb that looked more like the rising sun, than the moon.
  • Today’s extremely low tide of -0.2m or -0.7′ was at 10:13am. The overnight high tide at 00:55am was 3.0m or 9.8′. It is apparently the lowest tide in a decade. I was fascinated to see the extended edge of the water all around the many islands. I looked at the exposed intertidal zone from a distance and up on the jetty, so as not to disturb the many delicate species.
  • See the photo gallery below for more ecological happenings from the past two days.

Weekly Census Results from July 13:

  • Steller/Northern sea lions: 18
  • Sea otter: 1
  • Harbour seals: 133
  • Bald eagles: 2 (1 juvenile and 1 adult)
  • Canada geese: 9 (5 adults, 4 goslings)
  • Black oystercatchers: 11 (8 adults, 3 chicks)
  • Cormorant: 4
  • Glaucous-winged gulls nesting on the main island: 247
  • Glaucous-winged gull chicks: approximately 200 (it is hard to get an exact number due to their camouflage in the grass and hiding under their parents)
  • Gulls not nesting (some glaucous-winged and some other species) on the south end of the main island and outer islands: 96
  • Pigeon guillemots: 142
  • Black turnstones: 2
  • Western sandpiper: 2

Weather:

  • Yesterday (July 13):
    • Sky: Part Cloudy
    • Wind: W 12-32 kts
    • Sea: rippled, then up to 3′ waves in afternoon and evening
    • Temperature Low 12oC, High 16oC
  • Today (July 14):
    • Sky: Part Cloudy
    • Wind: W 15-27 kts
    • Sea: rippled, then up to 2′ chop in afternoon
    • Temperature Low 11oC, High 13oC

Visitors:

  • No visitors

Facility Work:

  • Scrubbed and squeegeed solar panels, routine tidying and checking infrastructure around the island.

Vessel Traffic:

  • Many Canadian and American ecotour boats have been nearby and heading through the waters of the ecological reserve.

Here are photo highlights from the past two days. Click on the photos for larger views and captions.

Census July 6

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Ecological Notes:

  • I am seeing more gull chicks everyday. Many gull parents are frequently feeding their two or three chicks.
  • I seem to have come to an understanding with some gulls. If I approach near them on the path at a slow speed, we both ignore each other. There are other gulls who freak out if I even look in their direction. As I do necessary work, I limit my movements around the island and avoid certain paths that have nearby nests and chicks.
  • See photo gallery and captions for more details on the ecological happenings over the past two days.

Weekly Census Results:

  • Elephant seal (juvenile male): 1
  • Steller/Northern sea lions: 4
  • Harbour seals: 113
  • Bald eagles: 6 (4 juveniles and 2 adults)
  • Canada geese: 11 (7 adults, 4 goslings)
  • Black oystercatchers: 10 (8 adults, 2 chicks – probably more that are camouflaged)
  • Cormorant: 2
  • Glaucous-winged gulls nesting: 172
  • Glaucous-winged gull chicks: approximately 50 (also hard to spot in the grass and under their parents)
  • Gulls not nesting (some glaucous-winged and some other species) on the south end of the island and outer islands: 97
  • Pigeon guillemots: 123
  • Surfbirds: 3
  • Killdeers: 2
  • Western sandpiper: 1

Weather:

  • Yesterday (July 5):
    • Sky: Fog in morning, Part Cloudy in afternoon
    • Wind: W 0-12 kts
    • Sea: calm
    • Temperature Low 11oC, High 17oC
  • Today (July 6):
    • Sky: Overcast in morning, Part Cloudy in afternoon
    • Wind: W 8-22 kts
    • Sea: rippled in morning, 1′ chop in afternoon
    • Temperature Low 12oC, High 15oC

Visitors:

  • No visitors over the past two days

Facility Work:

  • Installed bird deterrents on new solar panels, scrubbed and squeegeed solar panels, emptied composting toilet, fixed screen door at basement entrance.

Vessel Traffic:

  • Many Canadian and American ecotour boats have been nearby and heading through the waters of the ecological reserve.

Here are photo highlights from the past two days. Click on the photos for larger views and captions.

Census

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Birds

 

  • Bald eagle adult 2
  • Bald eagle juvenile 3
  • Turnstones 18
  • Sparrow 3
  • Gulls, Glaucous and Western  82
  • Cormorants 23
  • Pigeon Guillemots 45
  • Oyster catcher 18
  • Canadian goose 10
  • Canada Goose Goslings 4
  • Surf Birds 18

 

Mammals

  • Steller sea lion 6
  • Harbour seal 120
  • California sea lion 12
  • Sea Otter 1
  • Elephant Seal 1 Young Adult Male, 1 Female

Census

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march 21/2022

Mammals

  • Steller sea lion                         19
  • Harbour seal                            48
  • California sea lion                   38
  • Northern Elephant Seal            6
    • 1 Large male
    • 2 non-nursing female
    • 1 weened pup
    • 2 new have arrived that I don”t recognized … 1 very large pup, 1 small yearling (unsure,, may be able to confirm if it does a full molt)
  • Sea Otter                                 1

 

Birds

  • Bald eagle adult                        4
  • Bald eagle juvenile                      8
  • Turnstones                                  30
  • Gulls, Glaucous and Western     78
  • Cormorants                                 37
  • Canadian goose                           14
    • (4 nests with eggs)
  • Harlequin Ducks                          8
  • Oyster catcher                             10
  • Pigeon Guillemots                        24