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Duncan Murrell - A Whale of a Time

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Duncan Murrell - A Whale of a Time

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  • One of my first amazing encounters on the trip was this large pod of long-beaked common dolphins. I was paddling quite close to the precipitous rocky shoreline and was just skirting a small bay when I could suddenly hear what sounded like a white water river rushing towards me. I looked around me to locate the source of the noise and saw that the flat calm sea was erupting with a myriad of splashes and leaping dolphins ploughing towards me. Within seconds the water around me was energised by hundreds of dolphins dashing in different directions. Everything was happening so quickly that I didn’t know where to aim my camera next so I had to deploy the shoot from the hip mode. They were evidently herding fish around the bay, so I just sat in the middle of the vortex of feeding dolphins and soaked up the visual energy and excitement.
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  • I was on my way to explore two offshore islands just to the south of Isla Carmen, Isla Monserrat and Isla Catalina in thecBahia de Loreto National Park, when I encountered a pod of short-finned pilot whales; this was my first ever encounter with pilot whales in my kayak. This was my first ever encounter with pilot whales in my kayak. They are very impressive cetaceans, with a prominent melon (acoustic swelling), like big black shiny torpedoes. They were very inquisitive about me and were frequently spyhopping to get a better view of me. Spyhopping is when cetaceans elevate themselves vertically out of the water to be able to get a better view of something.
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  • Orcas have many of the same behavioural characteristics on the surface as humpback whales, and possibly for the same reasons. I didn't observe orcas lobtailing or breaching as much as humpbacks. It's quite likely that this orca was lobtailing to herd salmon, just as humpback whales do to shock and herd shoals of herring into bays or along a shoreline.
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  • I was on my way to explore two offshore islands just to the south of Isla Danzante, Isla Monserrat and Isla Santa Catalina in the Bahia de Loreto National Park, when I encountered a pod of short-finned pilot whales; this was my first ever encounter with pilot whales in my kayak. They are very impressive cetaceans, with a prominent melon (acoustic swelling), like big black shiny torpedoes. They were very inquisitive about me and were frequently spyhopping to get a better view of me. Spyhopping is when cetaceans elevate themselves vertically out of the water to be able to get a better view of something.
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  • Encountering orcas was a much rarer event than being with the humpback whales in Southeast Alaska so I always viewed it a special treat and a bonus for the summer. I always felt like I had to shift up into a much higher gear with the faster swimming orcas, and I usually knew that something out of the ordinary was going to happen. Most of pods of orcas I encountered were small transient pods specializing in hunting for marine mammals. On this occasion I was able to paddle many miles with a very large pod of at least 30 individuals that spanned the width of Chatham Strait. It was a beautiful, sunny day and the sea was calm without a puff of wind, which always makes it a bit easier to keep up with them. They appeared to be hunting for salmon by corralling them judging from the way their speed and direction changed periodically. It’s fascinating listening to the extensive chatter of orcas; they are much more vocal than the humpbacks and can produce a great range of sounds from clicks, squeals and whistles to what sounds like someone knocking on a door. The most memorable thing that happened on this day involved some young calves, which like the humpback calves were very inquisitive about me. I had just stopped for a rest and was observing the behavior of some of the orcas swimming past. Suddenly two calves popped their shiny black heads out of the water right next to the cockpit of my kayak! They were chattering away at me with their squealing and whistling, and after greeting them with a very surprised “hello’, my next instinct was to pat them on the head like puppies, but they disappeared before I had the chance to do that. <br />
I never ever felt threatened by orcas, even when the big bulls would sometimes swim straight towards me, and they would twist sharply at the last minute just before their tall dorsal fins could slice into me. I’m quite sure that they were only ever inquisitive about me.
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  • Based on differences in their lifestyles and food preferences, orcas are characterised as "resident" and "transient". These are transient orcas that were probably hunting for seals up in the glacial inlets of Glacier Bay. Transient orcas generally form smaller and more variable social groupings than residents, roam over a larger area of the coastal waters, and their appearance in particular places is not so predictable. They feed primarily on sea mammals such as seals and sea lions. The name "killer whale" probably stems from observations of transient orcas hunting.<br />
Resident Orcas.<br />
"Residents" are more predicatable because they frequent the same areas where they have a regular source of food in the summer and fall. They feed on salmon, live in close and extended family groups (matrilines and pods) and are highly social. Families can be distinguished from one another by their dialects.
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  • This was one of the most incredible experiences of my life. It was a beautiful day that started well when I encountered a group of playful sea lions. They were inquisitive as always and hung around for quite a while. Most of them eventually swam away but one very inquisitive big bull remained with me for a while. It circled me and dived down beneath my kayak so that it could look up at me: then suddenly it erupted out of the sea right in front of the bow of my kayak, and there was the sudden jolt of eye-contact with his big bulging wild eyes that penetrated deep within my primal being. He then swam away and I continued paddling out to the middle of Seymour Canal. Then suddenly I heard a commotion in the distance, and when my eyes homed in on the source I saw the tell-tale dorsal fins of orcas, and then to my dismay I saw my friend on the surface near them: he was being attacked! I frantically paddled out towards the developing melee and wondered what I should do, and even contemplated trying to rescue him. But of course nature had to run its course, and I had to be grateful that I had a ringside seat for such a dramatic wild spectacle, as the orcas continued to ram the sea lion at high speed: I could see an orca cutting a confused furrow of water before colliding with its quarry in a big explosion of spray. The sea lion then reappeared at the surface gasping for breath, which tugged at my heart strings so much that I wanted to intervene, but there was a hungry family of predators that had to eat. Eventually it failed to resurface and it was all over...... but it wasn't because a pod of humpbacks happened to stumble onto the killing stage and they too were attacked by the orcas. I paddled right alongside the conflict and observed the whales rolling onto their sides and flailing their flippers to try to thwart their attackers. The orcas eventually gave up and disappeared along with the whales leaving me all alone highly charged and shaking with adrenaline.
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  • The sight of a big bull orca powering towards my kayak would seem to be very intimidating, but after many encounters with them I was very confident that they had no interest in me other than curiosity. I had several palpitating encounters with bulls that seemed to be on a collision course with me but just at the very last moment they veered underneath my kayak and turned on their sides to avoid hitting me with their towering dorsal fins.
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  • This photo was used by Athena International for a poster in the late 1980s. It was cropped into portrait format with ORCAS in bold white lettering at the bottom.
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  • I was on my way to explore two offshore islands just to the south of Isla Carmen, Isla Monserrat and Isla Catalina in the Bahia de Loreto National Park, when I encountered a pod of short-finned pilot whales (Globicephala macrorhynchus); this was my first ever encounter with pilot whales in my kayak. They are very impressive cetaceans, with a prominent melon (acoustic swelling), like big black shiny torpedoes. They were very inquisitive about me and were frequently spyhopping to get a better view of me. Spyhopping is when cetaceans elevate themselves vertically out of the water to be able to get a better view of something.
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  • Orcas are so sleek and hydrodynamic, and so consummately evolved for speed and distance. I always marvelled at how they slide through the water with such effortless ease, barely creating a ripple: even the surface tension of the water appears to stretch over their head like a second skin. An orca's dermis (skin) is smooth: the outer layer continually and rapidly renews itself, and the old skin sloughs off. The increased skin cell turnover increases swimming efficiency by creating a smooth body surface which reduces drag.
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  • Orcas have many of the same behavioural characteristics on the surface as humpback whales, and possibly for the same reasons. I didn't observe orcas lobtailing or breaching as much as humpbacks. It's quite likely that this orca was lobtailing to herd salmon, just as humpback whales do to shock and herd shoals of herring into bays or along a shoreline.
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  • I took this photo from the deck of my sailboat Avalon rather than from my kayak. Trying to keep up with orcas in a kayak is an entirely different proposition, especially in difficult sea conditions against the wind and tide; that is an extreme workout!
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  • Humpbacks have an enormous lung capacity, which makes it possible for them to dive for long periods, often in excess of 20 minutes, These extended dives allow the animals to descend to deep water for foraging (up to 500 ft - 150 m). When the whale surfaces to breathe, it only has a few moments to exchange the air in its lungs, so it must exhale with tremendous force. The force of this exhalation vaporises the seawater that surrounds the blowhole and creates a "blow". This vertical plume of water vapour is usually the first indicator that a whale is in the area, and can usually be seen and heard over long distances. On several occasions I paddled stealthily up to a whale resting or sleeping on the surface just to be able to observe the blowhole in operation at close quarters, and was amazed at the power and speed that the blowhole opens and shuts during the exhalation and inhalation, and the explosive force of the breath rushing out and fresh air rushing back in.<br />
I observed them often sleeping in the afternoon, their rotund backs completely motionless with their flukes and long pectoral fins hanging down. Whales and dolphins don't sleep for extended periods the way that we do but just take short naps. To avoid drowning during sleep, it is crucial that marine mammals retain control of their blowhole. The blowhole is a flap of skin that is thought to open and close under the voluntary control of the animal. Although still a matter of discussion, most researchers feel that in order to breathe, a dolphin or whale must be conscious and alert to recognize that its blowhole is at the surface.
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  • I camped on one of the three Los Candeleros islets just to the south of Isla Danzante in the Bahia de Loreto National Park for three weeks on the way back to Loreto. From the top I had a clear view of the southern end of the channel between Isla Carmen and Isla Danzante, a passage frequently travelled by whales and dolphins. I was hoping for my first view of blue whales. I had only seen the second largest whales, fin whales, up to that point. When I wasn’t scanning the horizon for whales I was being hypnotised by the graceful magnificent frigate birds circling overhead in the thermals. They are the ultimate gliders among birds, able to hang in the for hours with harly a movement of their long, thin, angular wings. The shallow water around the islets was excellent for snorkelling although the water was much colder than I expected. It was wonderful to camping under the clear skies, with the stars so vivid because of the absence of light pollution from people. The temperature at night was perfect without any need for a sleeping bag or any protection from insects.
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  • The Steller sea lions of Alaska have entertained me many times and provided company during bad weather when there were no other animals around. They were always inquisitive, if not a bit wary of me, and would often swim beneath my kayak and look up at me with their big bulging eyes. Sometimes they would even engage me in a race to show off their speed on the surface where they can leap like dolphins.<br />
Among pinnipeds, it is only inferior in size to the walrus and elephant seals. The males are bigger than the females and grow to a length of about 2.82-3.25 metres long, with an average of 3m. The males have much wider chests, necks and general body structure and weigh 450-1.120 kg with an average of 544 kg. Males are further distinguished from females by broader, higher foreheads, flatter snouts, and darker, slightly tuftier hair around their large necks, giving them a maned appearance. Indeed, their Latin name translates roughly as “maned one with the broad forehead”.<br />
The range of the Steller sea lion extends from the Kuril Islands and the Sea of Okhotsk in Russia to the Gulf of Alaska in the north, and south to Ano Nuevo Island off central California. The global Steller sea lion population has traditionally been divided into an eastern and western stock roughly through the Gulf of Alaska. They have attracted considerable attention in recent decades due to significant, unexplained declines in their numbers over a large portion of their range in Alaska. While the population of the eastern and Asian stocks appear stable, the population of the western stock, particularly along the Aleutian Islands, was estimated to have fallen by 70-80% since the 1970s. One suspected cause of their precipitous decline is overfishing of Alaska Pollock, herring and other fish stocks in the Gulf of Alaska. In 1997 the western stock was listed as threatened but in 2013 they were removed from the U.S Endangered Species List after a major population recovery.
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  • This beautiful view is along the cliffs at the southwest end of the island with the offshore skerries and Atlantic Ocean in the distance. I also watched basking sharks from that side of the island and saw some dolphins just offshore. It was one of my favourite palces to watch the fulmars demonstrating their aerial skills. This was the windward side of the island facing the turbulence and swells of the open ocean, and a magnificent location to look down at the waves crashing forcefully against the rocks below. There was the occasional boat that visited the island during the time that I stayed there but most of the time I had it to myself, and it gave me a wonderful feeling of coastal maritime solitude that I have rarely, if ever, experienced in the UK. I could have stayed there for at least another month but there were still other islands to visit and explore on this trip.
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  • The Steller sea lions of Alaska have entertained me many times and provided company during bad weather when there were no other animals around. They were always inquisitive, if not a bit wary of me, and would often swim beneath my kayak and look up at me with their big bulging eyes. Sometimes they would even engage me in a race to show off their speed on the surface where they can leap like dolphins.<br />
Among pinnipeds, it is only inferior in size to the walrus and elephant seals. The males are bigger than the females and grow to a length of about 2.82-3.25 metres long, with an average of 3m. The males have much wider chests, necks and general body structure and weigh 450-1.120 kg with an average of 544 kg. Males are further distinguished from females by broader, higher foreheads, flatter snouts, and darker, slightly tuftier hair around their large necks, giving them a maned appearance. Indeed, their Latin name translates roughly as “maned one with the broad forehead”.<br />
The range of the Steller sea lion extends from the Kuril Islands and the Sea of Okhotsk in Russia to the Gulf of Alaska in the north, and south to Ano Nuevo Island off central California. The global Steller sea lion population has traditionally been divided into an eastern and western stock roughly through the Gulf of Alaska. They have attracted considerable attention in recent decades due to significant, unexplained declines in their numbers over a large portion of their range in Alaska. While the population of the eastern and Asian stocks appear stable, the population of the western stock, particularly along the Aleutian Islands, was estimated to have fallen by 70-80% since the 1970s. One suspected cause of their precipitous decline is overfishing of Alaska Pollock, herring and other fish stocks in the Gulf of Alaska. In 1997 the western stock was listed as threatened but in 2013 they were removed from the U.S Endangered Species List after a major population recovery.
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