Showing posts with label Sooty Shearwater. Show all posts
Showing posts with label Sooty Shearwater. Show all posts

11 Oct 2023

11 Oct 23 - A Last Minute Visit to St Mary's With ORCA

A week earlier I had responded to a request for a replacement ORCA surveyor on a trip to St Mary's on 11 Oct. It didn't take more than a few seconds before I said I was available. I left early for the early hours' drive to Penzance: as there had been overnight road closure signs for October, when I drove down for the Cornish Northern Harrier. In the end, the road closures were restricted to a closure where I had to exit the A30 & immediately re-join the road. I was in Penzance nice & early for the sailing. As we got closer to the boarding time, the team leader, Phil Taylor & the third surveyor, Mike Taylor (no relation) appeared. it turns out that Mike had trained Phil, who had recently qualified as a team leader. Both lived in Cornwall & were very use to trips on the Scillonian.

We left on time & we quickly started the ORCA survey. The sea wasn't as choppy as I expected, but a stiff SW wind wasn't helping, especially as we were surveying from the outer bridge deck. But we managed to find positions on the outer bridge deck to survey from. The crossing out was good: I saw ten Short-beaked Common Dolphins and another five Dolphins that appeared too briefly to identify. There were still reasonable numbers of large Shearwaters with at least one hundred and fifteen Cory's Shearwaters, ten Great Shearwaters, two Sooty Shearwaters and a few Manx Shearwaters. There were another twenty five large Shearwaters sp. that I didn't spent more than a few seconds looking at, as we were there to survey for Cetaceans, not Seabirds. Other highlights included six Storm-petrels and an Arctic Skua. Fortunately, we encountered a mixed Shearwater flock off the Scillies, when I was the recorder: which allowed me the chance for a bit of photography.
A nice Shearwater montage: Sooty Shearwater, Great Shearwater & Cory's Shearwater
A close up of the Sooty Shearwater
Great Shearwater: I do like Great Shearwaters
Great Shearwater: It's always a treat to see them in UK waters
Great Shearwater
Great Shearwater
Great Shearwater
Great Shearwater with a trailing Cory's Shearwater
Cory's Shearwater: It's unusual for Cory's Shearwaters to still be in Scillies waters in October
Cory's Shearwater: All the ones I looked at looked to be regular Cory's Shearwaters
We arrived at the Hugh Town quayside on time. This gave me about three hours for Birding on St Mary's. I said goodbye to the others, as we had all planned different activities for our time on St Mary's.
Coming into Hugh Town
I checked RBA on my mobile as we arrived and there were no major rarities on the islands. I decided to head out to check the Old Churchyard, before crossing Lower Moors & having a look at Porthloo Lane. This took in some of my favourite old stamping grounds when I used to stay on St Mary's back in the 80s. The island appeared very quiet and in that walk, I was disappointed to not even see a Warbler or Crest. The highlight was seeing my first White-speck that flew up from the churchyard, before landing again. Unfortunately, it hadn't settled down when it landed & was soon on its way again.
White-speck: I was struggling to figure out what this Moth was & wasn't surprised to find the reason why: is was a Moth Tick
I carried on & bumped into a small crowd by the ex-Old Town cafe. I hadn't bothered to pay any attention to where the scarce species were when I checked RBA, so I wasn't sure what was where on the islands. I asked the first Birder & got told, "It's on the fence". It was & it was a nice Wryneck sat fully in the open, until I raised the camera: at which point it flew into the back gardens of the bungalows. I wasn't going to hang around for longer views, so headed on to check the Lower Moors hide. Sure enough there was a Jack Snipe in front of the hide. No real surprise that one was on view, given this hide must be one of the best places in the country to see a Jack Snipe in the open.
Jack Snipe
Jack Snipe
After getting some photos, I carried on along the Lower Moors path. I wasn't surprised to note that only about five of the fifty plus Birders I saw that day were actually looking. I wonder what would be found if some actually looked, rather than just walking between somebody else's Birds. But that isn't much better than the twenty percent of people Birding on the islands that I remember from the 80s. But too be fair, there were probably more Birders looking elsewhere on the other islands, or they had already checked my route & moved on elsewhere on St Mary's. I bumped into a Spotted Flycatcher which was proof there were a few migrants tucked away on the island. I was running out of time, so I decided to knock the Birding on the head, pick up a coffee for the return journey and meet Phil & Mike on the quayside.
Mike Taylor (left) & Phil Taylor as we were leaving Hugh Town
The wind had eased and the skies were nice & overcast: which were helpful conditions for the survey. I saw another six Short-beaked Common Dolphins, a Risso's Dolphin & 2 Harbour Porpoises on the return trip.
Short-beaked Common Dolphin: The priority on seeing a Cetacean is to alert the recorder, note the angle from the ship's course and how far they are below the horizon on the ORCA binoculars (which have a vertical scale in the right eye-piece)
Short-beaked Common Dolphin: Having passed the details of the species, number of individuals, their initial position, course & behaviour to the recorder, there is rarely time for any photographs. So, it was nice to be able to get a couple of shots of one of the Short-beaked Common Dolphins
Again, there were over a hundred Cory's Shearwaters, along with a handful of Great Shearwaters, Sooty Shearwaters, Manx Shearwaters, two Storm-petrels and a Bonxie.
Sooty Shearwater: This Sooty Shearwater wasn't impressed that the Scillonian was heading straight for it
Far too quickly, we could see Mousehole and the survey was coming to an end as the light gave out. It had been a long, but enjoyable day. We had been lucky with the weather on the return trip, as the forecast was for rain setting in during the late afternoon. Fortunately, the timing worked out perfectly and the rain didn't set in until I reached the chippy at the Hayle. The rain didn't ease for the rest of the drive back to Dorset. With two sets of road closures and over an hour of diversions, then I ended up getting home a lot later than planned. Still better the diversions were on the return trip, than the drive to Penzance.

17 Aug 2023

17 Aug 23 - A Grand Day Out: Part Two

In the previous Blog Post, I covered the seawatching from the Scillonian on the crossing from Penzance to St Mary's on the Red-footed Booby twitch. It had been a successful crossing with good numbers of Cory's Shearwaters and a few Great Shearwaters. I was really hoping for a Pterodroma Petrel or a Scopoli's Shearwater, but I hadn't been that lucky. Still on a positive, the Birders at the back of the Scillonian hadn't found any either.

We arrived at St Mary's on time & we were quick to join a handful of Birders who were already on the inter-island boat that would take us to the Bishop Rock Lighthouse. It seemed to take a long time to finally get going, but finally we were off. We were briefly joined by two Bottlenose Dolphins after we had left St Agnes, but sadly they didn't stick around for photos.
Heading out to the Bishop Rock Lighthouse
The Bishop Rock Lighthouse: Complete with a Red-footed Booby on the top
Twenty-five minutes after leaving the harbour, we were approached the Bishop Rock Lighthouse. The boat's ticket collector said he thought he could see a Bird sitting on the top of the lighthouse platform. I was struggling with the bins in the choppy seas & switched to the camera. A quick look at the back of the camera & I was able to shout "It's on the right by the antenna".
Red-footed Booby: I've got about one hundred photos of Red-footed Boobies from the Pacific & Atlantic and this is clearly the worst that I've kept. But it was the moment I knew the gamble has paid off
Red-footed Booby: It was preening for almost all the time we were there. While, this wasn't great for photos, it was endlessly better than the other option of trying to locate it while it was off fishing
Red-footed Booby: Did somebody ask "If there was a Cormorant on the top of the lighthouse"?
Red-footed Booby: I like this photo of it have a crafty look at us
Red-footed Booby: The nominate sula subspecies breeds on islands in the Caribbean, Belize, Honduras, Venezuela, Brazil & Ascension Island
After the best part of an hour around the Bishop Rock Lighthouse, we agreed we had had our fill of the Red-footed Booby. The boatman took a circuitous route back which allowed us to see a handful of Cory's Shearwaters. I checked all the ones I saw & none were Scopoli's Shearwater candidates.
Fulmar: We saw this Fulmar and a few distant Cory's Shearwaters on the journey back to Hugh Town
Fulmar
We arrived back into Hugh Town, with barely enough time to have a look at one of the local Birding spots like Lower Moors. So I settled on a celebratory lunch & a coffee in one of the cafes, before heading back to get on the Scillonian.
Hugh Town Beach
The yellow boat is the island's ambulance boat
St Mary's Lifeboat Station
Portmellon Beach: Another part of the view over the Hugh Town beaches that I never get bored looking at
We left a few minutes early and took the route through the islands. We saw the first Cory's Shearwaters while we were still off the Northern end of St Mary's. In total, I saw forty-two Cory's Shearwaters on the crossing back: all around the Scilly Isles. At the time, all the ones I checked with the bins or the camera looked to be Cory's Shearwaters.
Cory's Shearwater: This clearly is a Cory's Shearwater
Cory's Shearwater: Another individual
Cory's Shearwater: Another view of the previous individual
However, while I was sorting the photos, this Large Shearwater caught my eye as a potential Scopoli's Shearwater candidate. It was in the background to a closer bog-standard Cory's in these five photos. It was taken as we were heading back to Penzance. The timestamp is 15:41 GMT & we were about fifteen minutes out of the harbour, as we left a few minutes earlier than scheduled. We were off the Northern end of St Mary's, when he encountered a party of Cory's Shearwaters, which included this individual. I would welcome any thoughts on what species it was.
Interesting Large Shearwater: Cory's Shearwater or Scopoli's Shearwater?
Interesting Large Shearwater: Cory's Shearwater or Scopoli's Shearwater?
Interesting Large Shearwater: Cory's Shearwater or Scopoli's Shearwater?
Interesting Large Shearwater: Cory's Shearwater or Scopoli's Shearwater?
Interesting Large Shearwater: Cory's Shearwater or Scopoli's Shearwater?
I've just had this feedback from the legandary Bob Flood after I forwarded these photos to him "This is an interesting bird with much white the under primaries, but crucially not p10. So, I am afraid that it doesn't meet current ID criteria". So, it isn't a Scopoli's Shearwater. Clearly I need to keep looking.

More straight-forward to identify were three Sooty Shearwaters.
Sooty Shearwater: This was one of three Sooty Shearwaters seen on the way back to Penzance
As we left the Scilly Isles, I saw four Risso's Dolphins, made up of a couple of individuals, followed by two single individuals. I also saw another ten Short-beaked Common Dolphin, mainly ones or twos. All the sightings were long enough to identify with the bins, but too short to stand a view to a chance at some reasonable photos.
Short-beaked Common Dolphin: This was the only photo I managed to get all day, despite seeing twenty-four individuals & even then it was only the back end of the body. They just weren't showy today
As we reached the Cornish coast we started seeing Manx Shearwaters again, hugging the coast and heading for Land's End. It was impossible to count them & still scan for other species, Cetaceans & Seals. I estimated I saw over two thousand, but a focused count would have probably revealed this was a significant undercount.
Grey Seal: This Grey Seal popped up as we were passing Mousehole and it was the last new sighting
Grey Seal: It popped up a second time to show its head
It had been a long, but very enjoyable day, which started when the alarm rang at 02:00. We docked around 19:00, but there was a delay before we could finally get ashore. After a refuelling stop, I headed off to a chippy by the Hayle. I finally got home about 23:30.

17 Jan 2023

17 Jan 23 - The Antarctica Trip - Leaving Port Stanley, Falklands

It was time to leave Port Stanley. Personally, I would have liked a full day around the area. But the distances meant if we left at lunchtime, we would be able to enjoy two landings on the first day in South Georgia, whereas, a full day in the Falklands, would mean losing a landing in South Georgia. It's always a compromise in planning landings in the Southern Oceans, before the ship has to plan for any adverse weather. Another factor is the landings need to be booked months in advance with the South Georgia authorities to ensure that there wouldn't be two expedition ships looking to land passengers at the same location on the same day. Only one hundred passengers are allowed to be ashore at any time, which was fine as that allowed all our passengers to land together. But some of the larger ships have twice that number of passengers and their landings have to be staggered and shortened. The logistics of having two ships at the same location would be far more complex to manage and most importantly there would be a bigger impact on the wildlife.
One of the outer bays in the channel leading to Port Stanley: I was scanning all the bays and beaches as we left Port Stanley, in the hope of a Commerson's Dolphin. One of the Peale’s Dolphins is just visible in front of the beach
As we sailed out of the bay leading to Port Stanley, I picked up a pod of distant Dolphins. They were near to the beach (in the previous photo) and they clearly did not want to come & check out us. Initially, all we could see were they had prominent dorsal fins. There are several potential Dolphin species in the Falklands: Risso's Dolphin, Bottlenose Dolphin, Dusky Dolphin, Hourglass Dolphin, Peale's Dolphin, Southern Rightwhale Dolphin and Commerson's Dolphin. The first two species are right on the edge of their extensive world range.
Peale's Dolphin: All it is possible to say on this view is it is either a Dusky Dolphin or a Peale's Dolphin
Very quickly most of these species can be eliminated. The colouration and shape rules out a Risso's Dolphin. The lack of a distinctive beak and the patterning rules out Bottlenose Dolphin. Hourglass Dolphin can be ruled out as these Dolphins don't have the well-marked patterning on the sides of the body. Southern Rightwhale Dolphin is a very distinctive black and white marked species and it doesn't have a dorsal fin. Finally, Commerson's Dolphin has a very broad-rounded dorsal fin & looks more like a Porpoise, than a classical Dolphin. This just leaves Dusky Dolphin or Peale's Dolphin as the only likely species.
Peale's Dolphin: The dorsal fin shape looks different as it starts to go under
Peale's Dolphin: Further into the dive
Peale's Dolphin: Another individual came up at the left hand side of my view through the camera. It seems to have a pale stripe behind the dorsal fin
Finally, one of the Peale's Dolphins jumped out of the water and it was possible to see the dark facial pattern which confirmed this was a Peale's Dolphin.
Peale's Dolphin: The dark facial pattern, pale sides to the body and lack of a pronounced beak rules out the other candidates
Dusky Dolphin: One of the Dusky Dolphins from the first evening in the Beagle Channel which shows the short beak, but the pale stripes that continue through the face (14 Jan 23)
We didn't see any other species of note until we reached the open sea. Here we were greeted some large feeding flocks of Sooty Shearwaters.
Sooty Shearwater: A large feeding flock of Sooty Shearwaters
Sooty Shearwater: Another party of Sooty Shearwaters on the sea just before we reached them
Sooty Shearwater: About one hundred thousand pairs of Sooty Shearwaters breed on the nearby Kidney Island. They also breed on the temperate & Subantarctic Islands from South Chile & the Falklands to South Australia & Tasmania, Macquarie & the New Zealand Subantarctic Islands
The numbers of Seabirds quickly dropped off as we left the coastal parts of the Falklands, but we stuck it out on deck anyway.
Southern Royal Albatross: Southern Royal Albatrosses can be separated from the similar looking Northern Royal Albatross by the narrow white leading edge to the wings
Southern Royal Albatross: A second individual. This is the nominate epomophora subspecies of Royal Albatross according to Clements. The other subspecies is Northern Royal Albatross which IOC split and is another future armchair Tick when I switch to IOC taxonomy
Southern Royal Albatross: A third individual. This is an immature & I think it's a 1st year individual. Adult Southern Royal Albatrosses have a white band on the inner secondary coverts which narrows as it reaches the bend in the wing: this area remains black in Northern Royal Albatrosses
Southern Royal Albatross: The third individual. Southern Royal Albatrosses breed on the Campbell & Auckland islands and Northern Royal Albatross breed on Chatham Islands & New Zealand's South Island. Both Royal Albatrosses range throughout the Southern Oceans
Snowy Wandering Albatross: This is a Snowy Wandering Albatross and it is the nominate exulans subspecies which breeds on South Georgia. Clements lumps all the Wandering Albatross subspecies, whereas, IOC splits Wandering Albatross as Snowy Wandering Albatross, Antipodes Wandering Albatross, Tristan Wandering Albatross & Amsterdam Wandering Albatross. This is a third cycle which I think corresponds to second (Southern) summer based up the more commonly used UK moult terminology
Soft-plumaged Petrel: We saw the first Soft-plumaged Petrel of the trip & one of my favourite Pterodroma Petrels
Soft-plumaged Petrel: This monotypic species breeds on the subtropical to subantarctic islands including Tristan da Cunha & Gough Islands, Marion, Crozet, Kerguelen & Amsterdam islands in the South Indian Ocean, to Maatsuyker Island, to the South of Tasmania and Macquarie & the Antipodes Islands to the South of New Zealand
We would have two more full days at sea before we reached South Georgia.