Eagle Visit, Watching For Injured Sea Lions

Weather:

  • Visibility 10 NM
  • Sky overcast
  • Wind 5-10 knots SW
  • Sea state: calm
  • Temperature 21°C

Visitors/Marine Traffic:

  • Today Laura visited to do some surveying of intertidal species
  • Greg did not come to land, as the tide was very low (jetty not accessible)
  • Today we saw one whale watching vessel pass through very respectfully with the current. No animals were disrupted- well done!

Ecological:

  • The goose nests continue to change- a few new ones this week, and a few have been ransacked by seagulls.
  • No significant seagull changes- a few new nests scattered around the island.
  • This morning a juvenile eagle landed on the lawn! It had been chased out of the air by seagulls, and they continued to swoop overhead until the eagle managed to find an opening and fly away.
  • We have been contacted by a few different folks regarding a sea lion that was spotted in the San Juan Island area with a cross bow bolt in his face. We haven’t spotted this animal but there’s a chance that we may over the next few days. We have also been asked to keep an eye out for another sea lion with fishing gear entangled in his face.

Notes:

  • This afternoon there was blasting/ammunition detonation on the Department of National Defense land. There were only 3 blasts but the birds all lifted into the air, or in the case of the sea lions, fled into the water.

April 11 and 12 – Weekly Census

Wind: yesterday W-S 0-32 knots, today W-SE 2-17 knots
Sea State: both days calm
Visibility: yesterday 10-15 NM, today 15 NM
Sky: yesterday partly cloudy then clear from mid morning, today clear
Temperature: yesterday 8-14 °C, today 7-14 °C
Atmospheric CO2: 416.33 ppm (recorded by NOAA at Mauna Loa Observatory, Hawaii)

The lawn in front of the house got busier this morning with nine elephant seals, two more than yesterday. A tenth seal, the pup, was near the jetty. The two new arrivals have green tags on their tail flippers. One is a male tagged C887. The other is a juvenile tagged G512 on the right flipper and E779 on the right. I will update the information on age and past sightings when I hear back from the researchers. The green tags signify the elephant seals were tagged at Año Nuevo, south of San Francisco.

[UPDATED April 13: I heard back from Dr. Patrick Robinson, the researcher from Año Nuevo Reserve. The elephant seal with green tags E779 and G512 was tagged as a pup in February 2019, where he was born at Año Nuevo. This is the first time the male juvenile has been spotted outside of Año Nuevo, where he was last seen as a weaner in March, 2019. The elephant seal with the green tag C887 is a juvenile male that was born at Año Nuevo in February 2017. He has been seen at Race Rocks in the month of December in 2017, 2018 and 2019.]

There was one boat seen in the ecological reserve on each of the past two days, a pleasure boat yesterday and a sailboat today.

Census results observed this afternoon at low tide:
10 elephant seals (1 female pup, 1 female juvenile, 1 juvenile, 2 sub adult males, 5 female adults)
16 steller sea lions
91 california sea lions
1 sea otter
72 harbour seals
5 bald eagles (2 juveniles, 3 adults)
16 Canada geese
1 black brant goose
99 gulls (mostly thayer’s)
17 pelagic cormorants
4 brandt’s cormorants
5 double-crested cormorants
6 black oystercatchers
24 pigeon guillemots
7 harlequin ducks
2 surfbirds
5 black turnstones

April 5 and 6 – Orcas

Wind: yesterday variable 0-17 knots, today variable 0-22 knots
Sea State: both days rippled
Visibility: both days 15 NM
Sky: yesterday partly cloudy, today clear
Temperature: both days 5-10 °C
Atmospheric CO2: 416.03 ppm (recorded by NOAA at Mauna Loa Observatory, Hawaii)

Yesterday morning, I noticed a pod of at least six orcas on the western edge of the ecological reserve. They swam east through Middle Channel, passing just north of the main island. What a treat it was for me to watch them from the front porch. See the photos below.

The older of the two female pups has been gone for the whole day. She left the island at some point early this morning. It’s been 14 days since the oldest of the three surviving pups left the island. Perhaps the pup who left today is following the strict schedule, as she is 14 day younger than the male pup who left 14 days ago.

Today, there were three boats in the ecological reserve: two pleasure craft and one local whale watching boat with two people on board.