Template for Census at Race Rocks.

Ecoguardians Use this–copy and paste  and modify as necessary

Template: Observer: ———————Location: Race Rocks –Date:

California Sealion 00 Stellers
(Northen sealion)
00 Harbour seal 00 ELephant
Seal
00 other 00
River Otter 00 Orca (resident) 00 Orca (transient) 00 Humpback 00 other 00
Glaucous-
winged gull
00 Black
Oystercatcher
00 Pigeon
guillemot
00 Canada
Gose
00 Gr.White
fronted goose
00
Dbl Crest
Cormorant
00 Brant’s Cormorant 00 Pelagic Cormorant 00 Black
Turnstone
00 other 00
Thayer’s
gull
00 California
gull
00 Mew
Gull
00 Western
Gull
00 Bonaparte’s
Gull
00
Heermann’s
Gull
00 Gulls
unident
00 other 00 00 00
Dunlin 00 Sanderling 00 whimbrel 00 surfbird 00 Killdeer 00
Bald Eagle
adult
00 bald Eagle
juvenile
00 Peregrine
falcon
00 other 00 other 00
Savannah
sparrow
00 Fox
sparrow
00 Song
Sparrow
00 American
Pipit
00 Golden
Crowned
sparrow
00

 

 

Western Gull 4–

Heerman’s Gull 7–

Fox Sparrow —

Savannah Sparrow —

Three Weaner Elephant Seal Pups

Wind: yesterday 2-15 knots from E to N, today 3-10 knots from S to N to E
Sea State: yesterday and today rippled
Visibility: yesterday and today 15 NM
Sky: yesterday and today clear
Temperature: yesterday 5-7 °C, today 5-8 °C
Atmospheric CO2: 414.73 ppm (recorded by NOAA at Mauna Loa Observatory, Hawaii)

The past two days have been sunny, which means the animals and scenery are very photogenic.

There was lots of activity with the elephant seal harem today. Overnight, the third mother left the island, after nursing her pup for 24 days. Her pup is now a weaner, no longer getting milk from her mother. The three mothers whose pups survived all stayed for 24 days. The last female, who’s pup died 17 days ago, left late this morning. After the male mated with her, she was either trying to get away from him or was chased down the path and out into the water by the boat ramp. The alpha male left for about an hour, perhaps to get some food. He’s been on the island the longest of any of the elephant seals. He hasn’t eaten or left the island since before the first pup was born on December 29. That’s almost as long as I’ve been here without leaving, except I eat three meals a day. The female elephant seals will most likely return to Race Rocks exactly eleven months after they left, to give birth to another pup. Stay tuned to the Log next December and January for more pupping season drama.

Now that there are no adult female elephant seals left on Race Rocks, the alpha male’s role has changed from mating with the females, to protecting the three pups that remain. The alpha male is most likely father to all of them, as he was the alpha male last year as well.

Three beta male elephant seals are still on the island. One left for about 24 hours and returned this afternoon. When he slid up the ramp onto the island, he appeared to look around to see if any females were around. Then, he headed for the oldest pup and put his mouth around it. He didn’t appear to be trying to hurt it because no blood was drawn. The pup was screaming. The alpha male came over and scared away the beta male. For the afternoon and evening, the three pups were lying in the grass about 10 m away from each other. It will be interesting to see if the pups interact with each other, as they have in previous years.

Some other interesting sights were a sea otter, two black brant geese, and a very bright Venus visible in the western sky for a few hours after sunset for each of the past three nights.

There were no visitors to the island in the past two days. Four pleasure boats and three tour boats were seen in the ecological reserve.

See below for photos from the past two days: