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July 09, 2022

Other animals we saw in the Arctic

Svalbard reindeer


Svalbard reindeer were the first mammals we saw in the Arctic.  We saw them when we did a shore landing at Skansbukta and then saw them again when we hiked at Kap Lee. Svalbard reindeer were almost hunted to extinction in the early 1900s, but dedicated recovery programs helped them repopulate.  There are about 10,000 Svalbard reindeer alive today.  Svalbard reindeer can reach speeds of up to 80 km at a sprint. They are generally sedentary, however, and shuffle along as they feed.   Their weight varies considerably between seasons. In spring, after a hard winter, the average Svalbard reindeer male weighs 65 kg,  fattening up to 90 kg by autumn after summer feeding.  They have no natural predators.  Starvation is their main enemy. 

A reindeer grazing at Kap Lee







Our first sighting of reindeer, seen at Skansbukta


Arctic fox


Unfortunately, we had only one sighting of an Arctic fox.  We saw it during a zodiac cruise in Hamiltonbukta up on the slopes of an ancient billion-year-old granite formation. It was a quick and agile little creature, blending in well with the dark rock, and being far away, it was a challenge to photograph it but I managed to capture some shots to remember it by.  

The Arctic fox has the warmest pelt of any animal found in the Arctic, enduring temperatures as low as -70 °C.  They do not hibernate and their fur changes colours with the seasons from brown in summer to a thick white one in winter.  They are mostly solitary animals living on the tundra and pack ice.  They hunt rodents, birds and even fish when they can and are also opportunistic scavengers.  Arctic foxes mate for life.

In winter, prey can be scarce, prompting Arctic foxes to bring out their cheeky sides. They are known to follow in the footsteps of the Arctic’s premier predator, the polar bear, and feed on leftover scraps. 



Walrus


Of all the wildlife we saw in the Arctic, the closest encounters we had were with walrus.  They came swimming within a meter of the zodiac, completely unfazed by us.  I suppose when you have rapier sharp tusks up to 90cm long and weigh up to 1.5 tonnes, you can afford to be pretty fearless. In fact, walruses have very few natural predators. Only an orca or a large polar bear would dare try to take on an adult and even then, very hesitantly.

Both male and female walruses grow long tusks. They use their tusks like ski poles, digging them into sand, snow and ice to help them haul their enormous bodies out of the freezing ocean waters. Plus, they’re great for smashing through tough ice from below, creating breathing holes for swimming walruses to catch a breath.  

Their huge size comes from a steady diet of molluscs, crustaceans, and worms. Adults will sometimes hunt fish, while some huge adult males have even been recording stalking seals.  

Sometimes, walruses will forage in places where there’s no nearby ice or land for them to haul themselves out onto for a nap. That’s why they have handy air sacs on their throats that inflate like pillows!  Once their pouches are filled with up to 50 litres of air, walruses can doze off, snoozing in a vertical position and kept safe from drowning by their portable pillow.  Genius!  





















Bearded seal


We had good sightings of bearded seals on two occasions. First, we encountered one lying on some sea ice when we went up to the far north. Then on the final day of our expedition, we came across two others enjoying the sun on an iceberg near a glacier in Johnfjorden. They were in a lazy mood and allowed us to get quite close on our zodiac.

Bearded seals are named for their long, white whiskers resembling a beard. They are the largest seal species in the Arctic, reaching a maximum length of 2.4 m  and weight of 432 kg.  They live for an average of 25 to 30 years.  

Bearded seals prefer to forage in shallow water but have been seen at depths of nearly 500 meters. Bearded seal pups can swim and dive up to 200 m within hours of being born.  

Individuals know to rest on single ice floes facing the water so they can escape quickly from predators. They are preyed on by polar bears, orcas and occasionally walrus.

Bearded seal lying on pack ice, seen from the ship as we cut through the ice on the 3rd day.


Bearded seal lying on an iceberg, seen from our zodiac




Ringed seal


We saw several ringed seal during our zodiac excursions. They'd always be swimming and come up momentarily to breathe, then disappear and come up again moments later in a completely different  place that was impossible to predict. This made them somewhat challenging to photograph!

The ringed seal is the smallest of all living seal species.  They are the only kind of Arctic seal that can cut and maintain breathing holes in ice thanks to special sharp claws on their fore-flippers. This sometimes results in them getting pushed away from their breathing holes by other seals or whales who can't create holes of their own. It' not fair when you're the smallest!

Ringed seals need to be cautious when they swim up to breathe at breathing holes as a polar bear may be lying in wait for them.  They  have learned to blow bubbles up their breathing holes to check for bears before surfacing.  

Female ringed seals create lairs for their pups in the sea ice surface, which provide protection from extreme weather and predators.





Blue whale


We were having lunch in the dining room on the 4th day of our expedition when there was a call from Howard, our expedition leader, over the ship intercom to say excitedly that a blue whale had been sighted.  We rushed to the outdoor viewing platforms and within minutes, saw it come up to breathe and then disappear again. For the next 20 minutes or so, the whale entertained us on both our port and starboard sides around the ship.  Sometimes we got to see it blow huge plumes of water.  Apparently, their blow can reach 12 meters high!  

These enormous animals can grow up to 28m long and weigh up to 90 tonnes, while they produce possibly the loudest noise in the animal kingdom with low frequency sounds travelling hundreds of miles underwater. With only 3 to 12 thousand of these incredible mammals on earth; what an incredible sighting!  

I unfortunately didn't get great photos  (very hard to photograph when you never know where its coming up next and it doesn't stay up for long or show much of itself) but the photo below provides a wonderful memory of a very special encounter.  I've always dreamed of seeing a blue whale. 




July 08, 2022

Birds we saw in the Arctic

There are not a lot of bird species in the Arctic but the number of individuals of some species like kittiwakes and guillemots can be enormous. Only a dozen or so species of birds can live in the Arctic all year round.  Even for these hardiest of species, most will migrate to southern portions of the Arctic during the harshest part of winter.


Puffins


I have seen puffins before but never photographed them. I was really excited when one swam close to our zodiac and played up for the camera. Such a beautiful, interesting, comical looking bird with so much personality. I just love them.

Nicknamed “sea parrots”  and sometimes "clowns of the sea", puffins mate with the same partner year after year.  They flap their wings up to 400 times per minute and can fly 90km per hour. They can pack 10 fish into their bills at once thanks to their rough tongues and spiny bills which stop them the fish falling out. In fact, this is one of the ways in which male puffins try to impress their mates. "Look here, baby, see how many fish I can fit in my bill.  I'm a provider!"  Baby puffins are called pufflings.









Guillemots


Guillemots are sea birds that nest in huge colonies, often with tens of thousands of pairs squeezed onto narrow cliff ledges. The egg of a guillemot is flat on one side to stop it rolling off cliff ledges where they nest. When the chicks hatch, they are hatched with eyes open, covered with down, and capable of leaving the nest soon after hatching.  They are tended and fed by both parents for about three weeks, and then – before they are able to fly – they leap off their cliff ledges and into the water below where they are led off to spend another 3-4 weeks learning to forage with the the males in the ocean.  If the colony does not overhang the sea directly, many of the young land on the rocks or vegetated slopes below. They are surprisingly resilient, but many will die from the fall.  Also, foxes, gulls and skuas often lie in wait for the chicks and pounce on them as they land.  It’s a very dangerous step out into the world for baby guillemots!














We saw vast numbers of guillemots flying past the ship in V shaped formations. Apparently, they do this as a way to conserve energy.


Kittiwakes


Kittiwakes are the most numerous type of gull in the world and exist in huge numbers in the Arctic.  They are the only gull-like bird in the world to make cliff dwellings. One of the highlights of my whole trip was visiting the the bird cliffs of Gnälodden where I got to see many thousands of them nesting and roosting.  Kittiwakes get their common name from their calls – “kittee-wa-aaake!”  Kittiwakes hunt in flocks during the daytime, floating on the water and dipping their heads in to catch fish, or making the occasional shallow dive. We also saw them roosting on icebergs and when ice fell off the glaciers, they flocked over the disturbed surface of the ocean, diving down to eat the nutritious sediment that had been brought up to the surface.











Kittiwakes roosting on icebergs




Kittiwakes nesting at the Gnälodden bird cliff.


Kittiwakes flying to and from their nests and roosts at at the Gnälodden bird cliff.





Eider ducks


Eider ducks can dive quite deep, they’ve been documented diving up to 20 meters! This is where they catch their meals which often consist of mollusks, sea stars, crabs and other invertebrates which they swallow whole.  They are a large ducks and while they’re agile divers, their attempts to take off aren’t as graceful.  Eider down is the warmest feather in the world – nature's technology for storing heat and surviving cold Arctic winters.







Arctic tern


If birds could earn frequent flyer miles, the Arctic tern would definitely earn the most. It is famous for its polar to polar migration, flying from its Arctic breeding grounds to Antarctic and back again each year.  In doing so, they can fly up to 90000 km or more (more than twice the circumference of the earth).  They can fly a staggering 9000 km without stopping.  If an Arctic tern lives to thirty years, which some do, it travels some 2.7 million km during its lifetime. This is the equivalent of 3 times to the moon and back!

Arctic terns migrate to follow the summer sun as they need good sunlight to see and hunt their prey which consists of small, schooling fish and pelagic invertebrates. By going from Arctic summer to Antarctic summer, they experiences more daylight than any other animal or bird on earth.



The Arctic Terns’ wings are long and narrow to reduce how much energy they spend when flying





Fulmar


We saw many fulmars flying past our ship.  Fulmars are one of the few bird species that have a well-developed sense of smell. They use it to locate fish by the smell of fish oil rising to the surface of the water. They create a kind of stomach oil that they store in a section of their stomachs which they spray out as a defensive measure. It can gum up the wings of predator birds, causing them to plunge to their deaths. They also regurgitate this oil as an energy-rich resource they use for long flights or to feed their young.   Like some other seabirds, Fulmars have a gland above their nasal passage that excretes a saline solution to help them get rid of all the salt in the water they imbibe while feeding.  Although Fulmars looks like gulls they are actually related to petrels.



Arctic skua


These far-ranging fliers are known for their love of (and skill for) thievery, pilfering as much as 95% of their winter migration diet. Apart from chasing other birds to steal their catches, they do also kill and eat other seabirds. Their victims include gulls, terns and puffins. Although they’re considered a “northern” bird because their breeding grounds are in the north, Arctic Skuas have in fact been spotted as far south as the South Pole during their winter migration period. Scientists think that the white flashes on the wings are the Arctic Skuas’ signal to each other to not steal from them, that they are fellow parasitical hunters.  





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New birds seen

  • Common eider
  • Black guillemot
  • Brünnich’s guillemot
  • Arctic skua
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