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As I have mentioned before (and you can probably guess from the name) there are a few birds calling this place home!
There may not be a huge amount of diversity here but the species and sheer numbers of birds present are spectacular.
The island is quite large (4km long) but there isn’t a huge number of birds obvious on the ground; that’s because most prefer to nest under it, thanks to the high density of predatory birds above.
To live and work on this island has been my dream for years, but the real pulling factor for coming back to South Georgia wasn’t, believe it or not, the penguins …
Nope. It was the chance of working with Antarctic Fur Seals again. Well, that, and living in a Wandering Albatross colony.
Sadly, I won’t be here for the entire year, which means I won’t get to see the entire breeding cycle of the Wandering Albatross, since they can take 13 months from laying to fledging.
So, unlike most species which were here at the beginning of the breeding season when we arrived, the Wandering Albatross were finishing up. The fledglings were beginning to leave the island, having spent the entire winter on the nest alone, only being visited by their parents to be fed before they disappear back on another several thousand km foraging trip.
Not all birds lay on the same day obviously and thus it follows, just as obviously, that not all were the same age.
When they are approaching the right age, they actually weigh more than their parents and just before fledging, they regurgitate all the hard parts of there diet (squid beaks, fish bones and sometimes plastic) and head for sea.
Wandering albatross breed every other year so, despite the fact that last year’s birds were fledging, the new birds were also beginning to arrive, ready for the present breeding season.
Whilst the wandering albatross can be found over the meadows higher up on the island, the beaches are covered by fur seals (or “furries”).
Considering that a hundred years ago, these animals were hunted to economical extinction on the island, it’s mind-blowing to consider their numbers are now in the region of 4 million.
There aren’t many success stories like this that I can think of but seemingly Humpbacks and Southern Right Whales are on a similar path, based on the quantity of animals being seen from shore this year.
Unfortunately, food was less plentiful this winter and the seals are paying for it. From looking at the diets of the seals throughout the year, we can see how well they are eating and what prey items are available. After poor winters, breeding numbers are often low.
However, even in poor seasons, the beaches are absolutely covered in fur seals. From looking at the diets of those that have bred this year, we can see that the krill have returned and as a result, the pups are fat and doing well.
Nevertheless, I couldn’t write a blog from South Georgia without a penguin picture or two. One of the many great things about Bird Island is how accessible the wildlife is and with a Gentoo Penguin colony just a few hundred metres from base, it’s been easy to keep tabs on how they are doing.
A few weeks after arrival, the eggs were cracking and the gentoo siblings were emerging.
A little further away (but also a little more spectacular) is Big Mac, home to 80,000 Macaroni penguins. These are obligate reducers, meaning they lay two eggs but only one will hatch – and that’s what they are starting to do!
In other news, molliemawks (grey-headed and black-browed albatross) and Giant Petrels have fat chicks.
That’ll have to do for this weeks photo fix… Hope you enjoyed
Another blog from my latest amazing trip to Antarctica, focussing on Humpback whales this time. You’ll be glad to know that there is less blood than in the previous post.
Having lived for a year on South Georgia, immersed in the depressing history of Antarctic whaling and the impact of humans on Baleen whales, it was amazing to sail through Antarctic waters and see first-hand how the whales are bouncing back. Sightings of baleen whales were frequent with the most common being humpbacks: these majestic 36 tonne beasts were almost ubiquitous throughout, it was an absolute pleasure.
Almost without fail, by the time breakfast was served on board National Geographic Explorer, there had been a blow, or a sighting of the distinctive hump, or flukes of these animals.
Possibly the best experience of my time on board came as the sun was setting on an already eventful day of killer whales and penguins. Stupidly thinking the excitement was over for the day, I retreated to my room in order to download a few photos, when the call of ‘feeding Humpbacks’ came out over the tannoy.
As a kid, I read about bubble net feeding whales and had seen footage of it numerous times on David Attenborough documentaries. For those others who have seen this footage, you will understand why seeing this activity has been on my bucket list for years. However, travelling to Antarctica, I had no expectations of ticking this off the list, since it was my understanding that such behaviour had only been observed in Alaska!
Bubble net feeding is obviously a foraging method where the humpbacks blow clouds of bubbles around their prey at the surface. This traps the prey between the bubbles and the surface allowing the whales to swim up with their mouths open and take huge mouthfuls of prey.
The video bwlow shows one of these events happening and you can see the bubbles at the surface before the humpbacks lunge through open-mouthed
Humpback whales that spend summers in the Antarctic, exploiting the rich cold waters, migrate north to spend the winters in the tropics around Costa Rica. Here, there is an overlap with the Northern Humpbacks that spend their summers in Alaska and migrate south also to Central American tropics. The hypothesis is that these Northern whales, having learnt and practiced the behaviour in Alaska, migrated south to Central America before continuing through to Antarctica.
As a result, you now have whales practicing bubble net feeding in Antarctic waters. The humpbacks have uniquely marked flukes which allow them to be identified.
Hopefully, the individuals we photographed in Antarctica will have been observed previously in the world and we will get a better understanding of how this behaviour has spread.
And when you get bored of the whales (as if!) the sunset and the ice aren’t too bad substitutes!
I was recently approached by Will Harper-Penrose from Woodmansterne Primary School and Children’s Centre via the wonderful medium of Twitter. His year two pupils were learning about the Antarctic and exploration, and he got in touch to ask about the possibilities of doing a Q&A Skype session.
Unfortunately, South Georgia’s internet connection was not up to a Skype video so, on hearing that, Will came up with a much more imaginative way to ask the questions. Being a music teacher, he composed a song for his pupils to sing, asking questions like ‘Have you seen a penguin sliding on its belly?’ and ‘What do you eat in Antarctica?’
As you can see for yourself, the video, song and dance are awesome and put a smile on everyone’s face on base. Completely aware that this amazing video would outshine any video of mine, I used my surroundings on the island to assist me, featuring penguins, seals, icebergs and boating, here is a compilation of some of my footage from a year on South Georgia.
I hope that this will entertain the kids and hopefully inspire one or two to become polar scientists
Last month I made the short voyage up the coast of South Georgia to The Bay Of Isles and Prion Island to check up on the Wandering Albatross. These are the world’s largest seabird and they nest in numerous colonies around the South Georgia coastline.
A few years back when I saw my first ever albatross on The Galapagos, I put ‘seeing wanderers on the nest’ top of my bucket list.
I didn’t think for a second that I would be able to cross it off so soon. To be allowed to get up close and personal with such incredible birds was a privilege and a pleasure, but now I need something else to take top spot …. maybe diving with leopard seals!
The trip was a success but with the weather window being very narrow, there was much concern that we may not manage to get the work done. However, after a dawn wake-up, we managed to get landed.
Of the birds present, when I last monitored Prion back in April, 100% had successfully made it through the winter and all should hopefully be fledging before the end of the year.
The island is also home to a number of other species which have been able to thrive without the presence of rats. Two colonies of Gentoo penguins were all sitting on freshly laid eggs, Giant Petrels were courting and laying, Pipit chicks were calling from nests all over the island, Light Mantled Albatross were sitting on nest bowls and White Chin Petrels were singing from their underground burrows. Also, the first few male Fur Seals were taking up residence on the beach.
This second instalment from my latest incredible trip to St Andrews will involve fewer superlatives – because I used my quota up in the first instalment!
I have spent a year on this amazing island and over a quarter of my pictures have been taken in the two weeks spent at St Andrews Bay. This is no reflection on how ‘boring’ the rest of the island (it’s not) … but St Andrews Bay is flipping ridiculous!
As you’ll have seen from my previous blog, there are hundreds of thousands of breeding King Penguins resident here, but just as awesome are the majestic giants that span the entire shore front.
They are loud, they smell worse than the penguins and they very rarely move but when they do, the sheer power and strength on display commands your attention and respect.
Beachmasters will spend months on end within harems of hundreds of females, fighting off challenges and rivals in order for the chance to mate with the females once they have weaned their pups. The challengers are numerous and relentless, leaving the beachmasters little time to sleep and relax between bouts and duels.
There are considerable size differences amongst males and it is in the interest of both beachmaster and challenger not to waste energy/get injured in one-sided competitions. So, in order to prevent this from happening, males use their proboscis to amplify their roars, allowing competitors to calculate the size of their rivals and if a fight is worthwhile.
This means big fights only happen when there is an even match and, as a result, duels can last for tens of minutes as both rivals rear back and take turns to slam their bodies and teeth into each other.
Blood is almost a guarantee and injuries are often haunting and sometimes even life-threatening.
Afterwards, the competitors are understandably exhausted and plaster themselves with cold stones or mud from the beach in order to help them cool off.
Our visit came during the peak pupping period and as a result, the beach was covered in new-borns suckling the fatty milk of their mothers. Born at approximately 40kg, these will reach 180kg by the time they wean just three weeks later.
Saying goodbye was definitely very hard but I am very excited to say I’ll be back to St Andrews in January, this time on board the National Geographic Expedition ship!!!
What a few days!!!
In the last three days I have seen four more leopard seals, taken the RIB south to St Andrews Bay (where we watched a leopard seal tear apart a king penguin) and spent the night at Maiviken, where we watched at least 1000 Gentoo Penguins returning to South Georgia for the night …. Life is hard!
With news of a second lep sighting at Grytviken coming in the final minutes of light of the day, I set my alarm early and made my way over for first light hoping she hadn’t slugged off in the night in order to get more pictures for the rapidly growing leopard seal database.
Thankfully my efforts were not in vain!
I quickly headed back to base to complete my morning rounds and get ready for a day of boating – but not before taking a quick shot of the Pharos alongside before a patrol.
Next on the agenda was kitting up the boats and getting away, with St Andrews our next destination in order to re-supply the huts with food and medical gear. Unfortunately, the visit had to be very quick but, as regular readers will know, on South Georgia, a lot can happen in a short amount of time!
Upon landing we were greeted by a cloud of hungry Giant Petrels who are resident around the King Penguins. I caught a flash of yellow disappearing towards the sea and was able to get a couple of record shots of a yellow Darvic on the leg of a giant petrel, most probably from Bird Island.
Time didn’t allow me to reach the main King Penguin colony and check up on the chicks but there were a few Kings on the beach near where we landed, along with St Andrews latest occupants … Elephant Seals.
As we lifted the anchor, a very inquisitive leopard seal came to check us out. Unfortunately, my hands were full of anchor so no pictures were possible before it got bored of us and headed off. As we headed back to sea with Hound Bay our next destination, I clocked a congregation of Cape Petrels in the distance and headed towards it. Being in contact with our colleagues at Bird Island, I hear tales of leopard seal attacks and had subsequently added observing a kill, hopefully, to my bucket list.
As we approached, all that was clear was that something was being thrown around in the water by a dark shadow.
Unfortunately, the poor light and swell were enough to make focusing on the action very difficult, so the pictures aren’t much more than record shots but it was an incredible spectacle.
Due to a thick band of incoming fog, we couldn’t stay with the kill for long and were soon on our way north again to Hound Bay, where we were greeted by yet another leopard seal trying to hide itself amongst all the elephant seals.
We did get one last look at the South Georgia landscape before we were engulfed by fog for the duration of our trip back to Maiviken, where we were dropped off for the night.
Gentoo Penguins opt to return to the South Georgian shores every evening to roost, unlike other SG Penguins, even outside the breeding season. As we sat on the shore waiting for the sun to set, sipping mulled wine, we had hoped to see good numbers of Gentoos but we didn’t expect quite as many as we got!
For the first time this year, the Gentoos were observed making their way up past their usual roost site all the way up to their breeding colony, suggesting that we may well have an early breeding season this year.
Whilst the majority of the gentoos opted for the large open section of Tortula Beach, not all picked the same route
With last year being a spectacular breeding failure for the Gentoos, we are hoping for a more fruitful season this year.
Just a quick blog to say that the wildlife is slowly but surely returning to the South Georgian shores. The first few male Elephant Seals are making themselves back at home on the beaches, awaiting the return of the females. Hopefully, we should have the first females very soon, followed by the first pups and that should kick off the big fights between males for harems!
Along with the Elephant Seals have come increased numbers of Antarctic Fur Seals. Although breeding won’t start for these guys for a few months, it’s great to see them again and see them looking so healthy.
Antarctic Terns are increasing every day with a roost beside base reaching numbers of 150+ in the last few days. Birds can constantly be heard courting and seen displaying.
Our wintering residents are still here and I imagine will stick around in order to take advantage of the increased abundance of food! A peak of six leopard seals in a day vied for highlight of the month.
It’s not long now before the Gentoos will stop roosting close to the beaches and push on up to prospect their breeding colony for a year. With such a poor season observed last year, here’s hoping for better luck this time.
Giant Petrels are also increasing in numbers with the first Northern Giant Petrel observed on a nest already. Other seabirds are also increasing in the bay with more and more cape petrels close to base and also the first returning white chins. Hopefully, we should be seeing our first skuas in the next few days.
Male fur seals are already beginning to act territorially, meaning that I need to keep alert whilst patrolling the beaches.
It’s great to see these southern giants back around base, dwarfing the comparatively tiny fur seals on the beaches. They use the proboscis on their noses to project their calls, meaning on a still night, you are able to hear their roars from miles away.
Despite all this incredible fauna, probably the most exciting event in the last few weeks has been the return of bird song to the islands with South Georgia Pipits making themselves heard throughout the coastal areas.
As you may be aware from my previous post, I have exchanged my South Georgian life for life at sea for three weeks. I am working on board a krill fishing vessel, researching by-catch (which is minimal) and also making whale and seabird observations to inform future conservation decisions.
Seemingly, I am here at a good time of year since within seconds of leaving Cumberland Bay, we were seeing the first spouts as whales blew all around us with the sun setting.
As we set about fishing, sightings continued, predominantly of Humpbacks, which were obviously exploiting the rich masses of krill 200m beneath the surface. When you see a distant whale blow, it’s easy to forget what is lying beneath. These Humpbacks can measure 16m and weigh up to 36 tonnes.
As the days have progressed, the sightings are getting better and better with several species seen so far. Fin, minke, southern right, sperm and orca (not seen by me!) were all spotted, as well as thousands of seabirds, seals and penguins.
South Georgia was the hub of whaling in the not too recent past and estimates suggest that numbers of baleen whales reduced by 90% as a result of it. So it’s absolutely incredible to see such high densities of whales in these waters.
The most frequent bird sightings involve the petrel species, with South Georgia Diving, Kerguelen, Great Winged, Antarctic, Cape and Giant Petrels all present in various numbers. Both Southern Fulmers and Antarctic Terns are also abundant with the occasional Wandering Albatross sightings.
Conditions on the whole have remained calm and clear, allowing good sightings throughout the trip. With the boats moving at very slow speeds, animals tend to pay little attention to the vessel, allowing for up close sightings.
Humpback whales migrate south for summer to feed on the krill rich numbers. These animals will be on their way north back to their breeding grounds, where they will breed in August time.
Although it is the wrong time of year, I have seen several humpbacks displaying, launching their magnificent bodies out of the water. One of these was close enough for me to capture on camera!
As mentioned before, the birdlife has been almost as spectacular as the marine mammals. See my previous blog (feeding frenzy) for more bird pictures