Category Archives: Species

Coralline Algae Discoveries, Impossible Invasive Plants

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Weather:

  • Visibility 15+ NM
  • Sky clear
  • Wind 5-10 knots SE
  • Sea state: calm

Visitors/Marine Traffic: 

  • One medium sized catamaran passed through race passage this morning drifting on the current
  • This afternoon we were joined by Guy and Christine, who brought us some generator hardware and spent a bit of time enjoying the beautiful weather.
  • Quite a bit of commercial traffic outside the reserve today including barges of logs and shipping containers.

Ecological: 

  • There are quite a few beginnings of seagull nests now. They have become more aggressive, and now fight each other over space. We have seen some pairs mating.
  • We have been finding coral-like white fragments in the intertidal since last year, but until now have not been able to identify what they could be. Today we found some that were not white, but red! This insight has led us to believe that this is coralline algae. Amazingly, this article states that these unassuming structures can continue to grow forever (!) if left undisturbed and have growth rings that be counted, just like trees!
  • As Gary Fletcher mentions in this post, prostrate knot weed is one of the invasive species here on Race Rocks. We noticed that it is particularly efficient at growing in places where no other plants are able, therefore it’s beginning to spread in rocky areas. It has notably spread to the rocky areas on the SW side of the island where no other flora nor fauna has managed to establish itself.

 

Ixoreus naevius; Varied Thrush- The Race Rocks Taxonomy

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Ecoguardian at Race Rocks,  Nick Townley , spotted this first specimen recorded occurance of Ixoreus naevius  a  Varied Thrush at Race Rocks on February 22 2020

At this time of year the migranting birds are starting to show up. Their flyway is from the Olympic Penninsula , 10 Km across the Strait of Juan de Fuca , and the Race Rocks archipelago is the first landfall that they can rest on.   This record is the 20th migrating songbird species that has been photographed at Race Rocks over the past 20 years. . About another 20 species of migrating seabirds also use Race Rocks as a migratory stopover in the spring and fall .

Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Turdidae
Genus: Ixoreus
Bonaparte, 1854
Species:I. naevius
Binomial name
Ixoreus naevius
Gmelin, 1789

 

Other Members of the Class Aves at Race Rocks.
taxonomyiconReturn to the Race Rocks Taxonomy
and Image File
pearsonlogo2_f2The Race Rocks taxonomy is a collaborative venture originally started with the Biology and Environmental Systems students of Lester Pearson College UWC. It now also has contributions added by Faculty, Staff, Volunteers and Observers on the remote control webcams. Nick Townley , Ecoguardian

Setophaga townsendi: Townsend’s warbler- The Race Rocks taxonomy

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Our first observation  of this species at Race Rocks was made by Laas Parnell, Ecological Reserve Warden on Dec 16, 2019.

Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Parulidae
Genus: Setophaga
Species: S. townsendi
Common name Townsend’s warbler

 

and this reference  from The Cornell Lab website:

Backyard Tips

On the Pacific coast in winter, Townsend’s Warblers often investigate backyard feeders, most regularly when temperatures drop below freezing, to eat energy-rich foods such as mealworms, peanut butter, and suet.

  • Cool Facts
    • On the wintering ground in Mexico, the Townsend’s Warbler feeds extensively on the sugary excretions (known as “honeydew”) of scale insects. It’s such a good food resource that Townsend’s Warblers set up and defend territories around trees infested with the insects.
    • Townsend’s Warbler was first noted to science by John Kirk Townsend, an American naturalist who collected a male specimen near the mouth of the Columbia River in what is now Oregon, on April 16, 1835. His discovery followed a long cross-continental trek. Townsend was accompanied on this expedition by English botanist Thomas Nuttall. Dozens of western plants and animals bear the names of these early naturalists.

 

Other Members of the Class Aves at Race Rocks.
taxonomyiconReturn to the Race Rocks Taxonomy
and Image File
pearsonlogo2_f2The Race Rocks taxonomy is a collaborative venture originally started with the Biology and Environmental Systems students of Lester Pearson College UWC. It now also has contributions added by Faculty, Staff, Volunteers and Observers on the remote control webcams. Dec, 11 2019- Laas Parnell

Larus californicus: California Gull

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In March 2010 Pam Birley captured this gull with the remote camera. She wrote “I saw a California gull recently and attach pics.  You don’t seem to have any in the taxonomy pages.   It’s not a rare gull but this maybe the first I have seen at RR.” Indeed it is one of those gulls which has fallen through the cracks so this is a rather late addition to our taxonomy.

This adult plumage is reached after 4 years. Note the black tip on the bill and the yellow legs which distinguish it from the Western Gull.
Domain Eukarya
Kingdom Animalia
Phylum Chordata
Sub-Phylum Vertebrata
Class Aves
Order Charadriiformes
Family Laridae
Genus Larus
Species californicus
Common Name: California Gull

Other Members of the Class Aves at Race Rocks.
taxonomyiconReturn to the Race Rocks Taxonomy
and Image File
pearsonlogo2_f2The Race Rocks taxonomy is a collaborative venture originally started with the Biology and Environmental Systems students of Lester Pearson College UWC. It now also has contributions added by Faculty, Staff, Volunteers and Observers on the remote control webcams. March 10 2010- Pam Birley

Larus hyperboreus: Glaucous Gull — The Race Rocks Taxonomy

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A photo of the rare second year Glaucous Gull on the right, Western Gull on the left. Photo March 8, 2009 by RyanThis is only the third record for this area in the Rocky Point Bird Observatory records.

Probable identification of the white gull on the left is the immature Glaucous gull. The gull on the right is an immature Glaucous-winged gull (photo 21st Dec 2005..camera 5 by Pam Birley)

To the left: This is a tentative identification. If it is correct, according to David Allinson of the Rocky Point Bird Observatory, ” this probably represents only the second record for Glaucous Gull (a 1st winter bird) for Rocky Point’s checklist (and a first for Race Rocks too!). The big head, the large bubble-gum pink dark-tipped bill, and white head and body (at least what can be seen) seems to be diagnostic.
However, to be cautious I should only say probable as we cannot see all of the bird.”

 

To the left: This is a tentative identification. If it is correct, according to David Allinson of the Rocky Point Bird Observatory, ” this probably represents only the second record for Glaucous Gull (a 1st winter bird) for Rocky Point’s checklist (and a first for Race Rocks too!). The big head, the large bubble-gum pink dark-tipped bill, and white head and body (at least what can be seen) seems to be diagnostic.
However, to be cautious I should only say probable as we cannot see all of the bird.”This is one of the largest species of gull. It can be up to 66-81 cm. in length. It nests on the tundra, and the range is circumpolar.It moves South in winter but only small numbers reach as far as the Pacific Northwest.”

Domain Eukarya
Kingdom Animalia
Phylum Chordata
Sub-Phylum Vertebrata
Class Aves
Order Charadriiformes
Family Laridae
Genus Larus
Species hyperboreus
Common Name: Glaucous Gull

 

Other Members of the Class Aves at Race Rocks.
taxonomyiconReturn to the Race Rocks Taxonomy
and Image File
pearsonlogo2_f2The Race Rocks taxonomy is a collaborative venture originally started with the Biology and Environmental Systems students of Lester Pearson College UWC. It now also has contributions added by Faculty, Staff, Volunteers and Observers on the remote control webcams.
October 2006 Pam Birley

Unsafe Snorkeling, Fall Changes, Census

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Weather: 

  • Visibility 15+ NE
  • Sky overcast, cloudy
  • Wind 15-25 kn N
  • Water moderate waves, white caps.

Visitors/Boats: 

  • Around 15 whale watching boats yesterday
  • Corey, Guy, and a student with their visiting grandparents visited yesterday, and delivered water- the desalinator is on the horizon!
  • We are ending our term on Race Rocks tomorrow, so Greg and Guy will come for a debrief before the next eco-guardian takes over.

Yesterday we saw a pleasure craft enter the reserve and drop snorkelers into the water less than 100 m from our jetty, within 5 m of shore and the hauled out sea lions. The animals were distressed and swam around the snorkelers barking. The current was flooding very quickly (5 knots), which creates dangerous water currents, eddies, and upwellings. We as well as Corey in Second Nature motioned for the boat to move away, but they simply gathered the snorkelers and moved around the corner where they presumably thought we would not see them. An eco-tourism vessel in the reserve also noticed them and contacted us to let us know, out of concern for their safety given the animals present and the currents at the time.

In the past scuba divers and vessels have found themselves capsized or pulled away from their dive site and rescued by helicopter, and in 2015 a diver went missing and was found deceased days after they disappeared by a fisherman after rescue crews were not able to find them. We were especially concerned for this group’s safety due to lack of float marking their position and the frequent boating traffic through the reserve. In the past, seal pups have been decapitated by vessels passing through too quickly and unable to see them. If these snorkelers had been pulled away by the currents, there would have been a high chance of being struck by a vessel unable to see them in the rough water.

Ecological: 

  • The sea lions population continues to grow! We are having to repair the fences sometimes twice per day. It seems like a more powerful electric fence energizer could be a good idea.
  • We spotted a little Greylag goose among the Canadian geese yesterday.
  • The sea lion that we spotted on Sept. 12th with an apparent propeller wound to his head is still here. He stays near the jetty and seems to have some behavioural anomalies, presumably due to the head injury. He is not afraid of us like the others, and does not move away into the water with the others when we clear the jetty. We haven’t had any problems but are weary that his behaviour could be unpredictable. Marty (the vet that came to aid in rescuing the entangled sea lion) mentioned that sometimes when this happens a shard of their skull can splinter and cause a brain infection. We hope this little guy is on the mend.
  • There have been many Canadian Geese passing through this week; A few days ago we counted over 20. The geese are not native to the island, but according to Gary Fletcher they arrived somewhere in the 80’s as the population of geese on Vancouver Island were introduced/grew. Addling the eggs began somewhere in the late 90’s. Unfortunately, this year two nests survived and hatched goslings, meaning that 20 geese left the island after 8 nested here in the spring.

Census: 

  • 500 Sea lions
  • 15 harbour seals
  • <20 seagulls
  • Approx. 20 cormorants
  • 3 short billed dowitchers
  • 1 Greylag goose
  • 1 sanderling
  • 1 Savannah sparrow
  • 20-23 Canada geese

More Sea Lion Injuries Due to Fishing

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Weather: 

  • Sky partly cloudy, some periods of fog
  • Visibility 1-15 miles intermittently
  • Wind 20-30 knots W – NW
  • Water rough, whitecaps, swells around 1m

Boats/Visitors: 

  • No visitors today, but on Sunday Corey drove us back to Race Rocks with some more water as we were having troubles getting our boat to start.
  • There have not been many whale watching boats but when they are here they often get quite close to the sea lions (within 10m). We can tell when there is a boat present in the reserve by the increase in “barking” and distressed sounds that the sea lions make.

Ecological: 

  • Over the weekend a sea lion was spotted with some fishing line wrapped around its neck. We believe that it could be the same one spotted last year. As it grows it will likely die due to slow suffocation caused by the line. Unfortunately it’s virtually impossible to have someone come to tranquilize and remove the line as the sea lions move on before they can get here. However, if we see it again we will report the injury.
  • Today we found a large fishing hook which must have come loose off of a sea lion. We’ve previously observed sea lions trying to remove fishing hooks from their skin by rubbing against the jetty.
  • There are quite a few sea lions all over the island now. We have been delaying our water sample that we normally take from the jetty to avoid having to chase them off, since when they are startled they climb over each other or rush off of the side of the jetty where the water isn’t very deep. The few that have come near the house don’t seem to be moving around much, just resting and getting away from the crowds.
  • With the return of the sea lions we’ve been getting bitten by little black fleas that we also saw in late spring. They were not a problem while the sea lions were not here, so we’re wondering if the two are connected.
  • Many of the young seagulls have left or are flying very well. A few of the latest hatched are still here, but the mothers are starting to leave them to fend for themselves.
  • We have been spotting the odd young elephant seal hauling out for a few hours before continuing on.
  • We’ve been noticing eagle feathers and dead adult seagulls around the island. Oddly, we haven’t seen the eagles hunting.

Maintenance: 

  • We’ve been needing to do daily fence repairs on the electric fence at the back of the island as the sea lions have been trampling it and breaking the wire and insulators that hold the wire on the posts. Hopefully with some persistence on our part they will learn to leave it alone.
  • Today we also set up the electric fence that runs between our house and the jetty/north island to prevent them from coming up around the infrastructure. They are stinky and destructive if you let them get too close!
  • We are still picking up sharp bits of tin and shingles/tar paper/ misc. litter from around the island. Some of it is from the roofs being redone recently, but a lot of it is older and becoming exposed now that the grasses are dormant for the summer.  Today we filled two buckets in an hour or two of scavenging.

The Flag is Back

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Weather: 

  • Sky overcast, some clear patches (not much solar power generated today)
  • Visibility 15+ miles, no fog
  • Wind 10-20 knots W
  • Water calm. Some interesting standing wave patterns lately.

Boats/Visitors: 

  • On Thursday Greg came in the afternoon to top up our water supply. Pearson alum Norbert (currently alum in residence) also came along for the ride to check out our solar panels and provide suggestions for future improvements. Pearson maintenance volunteer Jimmy also stopped in for the night to visit race rocks before he goes home to Mexico. Safe travels!
  • We had many hands on deck, so we were able to successfully repair and raise the flagpole.
  • Yesterday Greg visited with a group of college guests who toured the island.

Ecological: 

  • The sea lions have started to haul out on the N + S/SW sides of Great Race Rock.
  • The oyster catcher chicks have grown to be nearly as big as their parents and are flying all over!
  • The seagull chicks are getting bigger and when rival adults attack they now fight back. On Thursday we spotted a chick with one eye pecked out and were concerned that it would not survive. Fortunately, when we checked later it was doing well.
  • There have been large numbers of black turnstones present this past week, 30+ at once

 

 

 

Visitors of All Kinds

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Weather: 

  • Wind 5-15 knots SW
  • Sky: Mostly grey, cloudy. Some rain and fog. Periods of partial clearing.
  • Water: Rippled, fairly calm.
  • Visibility: 10-13 miles

Boats/Visitors: 

  • Guy came to pick up our weekend visitors who headed home this afternoon. It was nice to have some company out here on the rock!
  • There were only a handful of whale watching boats in the reserve today since it was quite cloudy and rainy. We were surprised to discover a vessel hovering within 50 meters of a whale within the reserve this evening.

Ecological: 

  • While taking a water temperature reading we accidentally spotted a humpback whale hovering in the main channel! It stayed for about 30 minutes, surfacing approximately every 5 minutes in the same spot, facing towards the current.
  • The seagull chicks have continued to hatch and there are too many to count. They blend in with the yellowing grasses extremely well and have grown to be twice their original size in only a week. We noticed that one chick near the fuel shed hatched but did not survive, while its two nest mates appear to be healthy.
  • There has been one male stellar sea lion on middle rock for the past few days, and appears to not be moving much at all.
  • The goslings are nearly full grown now, and have been swimming

Census

  • 230 Harbour seals
  • 350 adult seagulls and many, many chicks
  • 4 moulting male elephant seals
  • 1 male stellar sea lion
  • A handful of pigeon guillemots
  • 8 adult oyster catchers, at least 7 chicks spotted
  • 1 humpback whale
  • 2 families of geese, and one additional adult pair
  • 1 nest of barn swallows