{"id":39926,"date":"2025-04-08T13:11:50","date_gmt":"2025-04-08T05:11:50","guid":{"rendered":"https:\/\/naturalistecharters.com.au\/?p=39926"},"modified":"2025-04-18T13:22:40","modified_gmt":"2025-04-18T05:22:40","slug":"orca-vs-blue-whale-predation","status":"publish","type":"post","link":"https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/blogs\/orca-vs-blue-whale-predation\/","title":{"rendered":"Orca V&#8217;s Blue Whale Predation"},"content":{"rendered":"<h2 data-start=\"232\" data-end=\"296\">A Rare Orca &#8211; Blue Whale Predation in Bremer Canyon<\/h2>\n<h4 data-start=\"297\" data-end=\"325\"><strong><em data-start=\"297\" data-end=\"323\">Warning: Graphic content<\/em><\/strong><\/h4>\n<p><strong>Date:<\/strong> 07.04.25<\/p>\n<p><strong>Subject:<\/strong> A Rare Orca &#8211; Blue Whale Predation<\/p>\n<p><strong>Written by:<\/strong> Marine Biologist, Jennah Tucker<\/p>\n<p><strong>Photography by:<\/strong> Annika Dahlberg, Allan Cronin and Machi Yoshida<\/p>\n<p class=\"\" data-start=\"469\" data-end=\"763\">Here, we share our incredible up close experience with an orca and blue whale predation in Bremer Canyon today. Our team and guests aboard <em data-start=\"503\" data-end=\"517\">Alison Maree<\/em> witnessed one of the rarest and most powerful displays of nature in the Bremer Canyon. It was a day that showcased the raw force of the ocean\u2019s top predators and delivered an unforgettable lesson in the reality of life \u2014 and death \u2014 in the wild.<\/p>\n<h3 data-start=\"770\" data-end=\"812\">A Dramatic Start: Storms and Cetaceans<\/h3>\n<p class=\"\" data-start=\"814\" data-end=\"1055\">The day began under a brooding post-storm sky, with altostratus clouds casting a dramatic backdrop over the Southern Ocean. As we left the harbour and made our way toward the shelf edge, the mood was set for an encounter of epic proportions.<\/p>\n<p class=\"\" data-start=\"1057\" data-end=\"1495\">Early activity came in the form of a scattered pod of <a href=\"https:\/\/en.wikipedia.org\/wiki\/Pilot_whale\"><strong data-start=\"1111\" data-end=\"1127\">pilot whales<\/strong><\/a>, moving steadily across our bow. Not long after, we encountered the <strong data-start=\"1196\" data-end=\"1230\">diagonal blow of a sperm whale<\/strong>, unmistakable due to its left-offset blowhole \u2014 an adaptation for its massive spermaceti organ. Sperm whales are known for their incredible diving capabilities, reaching depths over 2000 metres for up to two hours as they forage for deep-sea prey like giant squid.<\/p>\n<p class=\"\" data-start=\"1497\" data-end=\"1687\">Soon, more blows were seen \u2014 we were surrounded by sperm whales, logging and resting at the surface between dives. While a thrilling sight, it was not the apex predator we were here to find.<\/p>\n<p data-start=\"1497\" data-end=\"1687\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-39955 aligncenter\" src=\"https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489409143_971229728543214_5316706081389518312_n-1-1024x645.jpg\" alt=\"Orca and the cleaners of Bremer Canon\" width=\"1024\" height=\"645\" srcset=\"https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489409143_971229728543214_5316706081389518312_n-1-980x617.jpg 980w, https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489409143_971229728543214_5316706081389518312_n-1-480x302.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/p>\n<h3 data-start=\"1694\" data-end=\"1743\">Enter the Apex Predator: Sperm Whale and Orca Tussle<\/h3>\n<p class=\"\" data-start=\"1745\" data-end=\"2136\">Hope surged when the familiar dorsal fin of <strong data-start=\"1789\" data-end=\"1800\">Nibbles<\/strong> appeared ahead, followed closely by <strong data-start=\"1837\" data-end=\"1846\">Akama<\/strong> and her young calf, <strong data-start=\"1867\" data-end=\"1875\">Wren<\/strong>. Their playful passes around the boat were soon replaced by a more focused energy. Another sperm whale was sighted, and to our astonishment, the orcas began to <strong data-start=\"2036\" data-end=\"2056\">shadow the whale<\/strong>, staying just 150\u2013200 metres away \u2014 a clear display of investigative behaviour.<\/p>\n<p class=\"\" data-start=\"2138\" data-end=\"2503\">While <em data-start=\"2144\" data-end=\"2160\">orca predation<\/em> on sperm whales is extremely rare and not documented in this region, harassment behaviour is observed, where orcas may attempt to steal prey like squid from surfacing sperm whales. For nearly an hour, we watched the orcas pursue the sperm whale, which would dive and resurface, keeping its distance in a seemingly strategic game of avoidance.<\/p>\n<p data-start=\"2138\" data-end=\"2503\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-39958 aligncenter\" src=\"https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489455899_971230548543132_6008137650074041273_n-1-1024x768.jpg\" alt=\"Sperm Whale shakes off the orca\" width=\"1024\" height=\"768\" srcset=\"https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489455899_971230548543132_6008137650074041273_n-1-980x735.jpg 980w, https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489455899_971230548543132_6008137650074041273_n-1-480x360.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/p>\n<h3 data-start=\"2510\" data-end=\"2557\">Fight for Life &#8211; Blue Whale Predation<\/h3>\n<p class=\"\" data-start=\"2559\" data-end=\"2885\">Without warning, the pod we were with surged northwest, a coordinated high-speed movement across the surface. Nibbles raced in our wake, launching from the water with powerful, porpoising breaths. Suddenly, in the middle of a swirling sea of orcas, we saw it \u2014 a <strong data-start=\"2822\" data-end=\"2840\">pale blue body<\/strong>, flat and immense, just beneath the surface.<\/p>\n<p class=\"\" data-start=\"2887\" data-end=\"3268\">It was a <strong data-start=\"2896\" data-end=\"2910\">blue whale<\/strong>, likely a <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0967064517303958#:~:text=The%20Antarctic%20blue%20whale%2C%20the,on%20smaller%2C%20more%20ephemeral%20krill\"><strong data-start=\"2921\" data-end=\"2944\">subadult pygmy blue<\/strong><\/a> (15\u201318 metres long), completely surrounded by approximately <strong data-start=\"3005\" data-end=\"3017\">30 orcas<\/strong>, later estimated to be part of <strong data-start=\"3049\" data-end=\"3082\">at least five distinct groups<\/strong>, including Split Tip, Razor, Tatty, Alki and Fanscar\u2019s pods. Initial analysis of over 3,000 images from the day suggests that even more individuals may be identified in the coming days.<\/p>\n<p class=\"\" data-start=\"3270\" data-end=\"3713\">The <strong data-start=\"3274\" data-end=\"3292\">orca predation<\/strong> was already in progress. The whale, visibly exhausted, was letting out explosive, heaving blows and trailing oil across the surface \u2014 evidence of internal trauma. Its flukes thrashed repeatedly as it attempted to fend off the relentless assault. Deep rake marks and open wounds became visible along the peduncle. Mature males like Hookfin breached in celebration, while others slapped tails and pectoral fins in display.<\/p>\n<p data-start=\"3270\" data-end=\"3713\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-39951 aligncenter\" src=\"https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489036843_971229885209865_2220791536990577666_n-1-1024x682.jpg\" alt=\"A Blue Whale attacked and grazed\" width=\"1024\" height=\"682\" srcset=\"https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489036843_971229885209865_2220791536990577666_n-1-980x653.jpg 980w, https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489036843_971229885209865_2220791536990577666_n-1-480x320.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/p>\n<h3 data-start=\"3720\" data-end=\"3750\">The Kill and Its Aftermath<\/h3>\n<p class=\"\" data-start=\"3752\" data-end=\"4095\">The entire blue whale predation event unfolded in under 40 minutes. The blue whale\u2019s final moments were both sobering and awe-inspiring. As its body went limp, a bubble of blood surfaced beside the boat. The whale\u2019s mouth emerged, first closed, then pried open \u2014 its <a href=\"https:\/\/www.nhm.ac.uk\/discover\/baleen-whales-filter-feeding-explained.html\"><strong data-start=\"4008\" data-end=\"4025\">baleen plates<\/strong><\/a> exposed, with an orca emerging from where its tongue had once been.<\/p>\n<p class=\"\" data-start=\"4097\" data-end=\"4410\">Albatrosses and <strong data-start=\"4113\" data-end=\"4141\">flesh-footed shearwaters<\/strong> crowded the surface, competing for scraps. A slick of oil and blood stretched across the ocean as orcas surfaced with chunks of flesh, passing pieces between one another in clear social sharing behaviour \u2014 a remarkable but haunting insight into their group dynamics.<\/p>\n<p class=\"\" data-start=\"4412\" data-end=\"4440\">But the day wasn\u2019t over yet.<\/p>\n<p data-start=\"4412\" data-end=\"4440\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-39959 aligncenter\" src=\"https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489503845_971229331876587_6191575537788981416_n-1-1024x670.jpg\" alt=\"Killer whale predation of a blue whale on a Bremer Canyon Expedition\" width=\"1024\" height=\"670\" srcset=\"https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489503845_971229331876587_6191575537788981416_n-1-980x641.jpg 980w, https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489503845_971229331876587_6191575537788981416_n-1-480x314.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/p>\n<h3 data-start=\"4447\" data-end=\"4497\">Orcas vs. Pilot Whales: Competing Apex Species<\/h3>\n<p class=\"\" data-start=\"4499\" data-end=\"4845\">As the feeding frenzy unfolded, more whitewash appeared on the horizon \u2014 <a href=\"https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/blogs\/orca-vs-pilot-whales\/\"><strong data-start=\"4572\" data-end=\"4588\">pilot whales<\/strong><\/a>, racing toward the kill. The arrival of this second cetacean species added a new layer of intensity to the encounter. Orcas are typically dominant, yet they often avoid direct confrontation with pilot whales. Today, however, the orcas stood their ground.<\/p>\n<p class=\"\" data-start=\"4847\" data-end=\"5209\">Both species surged and scattered, the ocean erupting in powerful, overlapping movements. Eventually, the orcas re-established control of the kill and the tension eased.<\/p>\n<p class=\"\" data-start=\"4847\" data-end=\"5209\">We left them to feed in peace, wrapping up the day with a visit to <strong data-start=\"5084\" data-end=\"5101\">Glasse Island<\/strong>, where <strong data-start=\"5109\" data-end=\"5133\">Australian sea lions<\/strong> lounged quietly on the rocks \u2014 a peaceful end to a truly unforgettable day.<\/p>\n<p data-start=\"4847\" data-end=\"5209\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-39941 aligncenter\" src=\"https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489844657_971229395209914_4484952418680239170_n-1024x682.jpg\" alt=\"Killer whale predation of a blue whale\" width=\"1024\" height=\"682\" srcset=\"https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489844657_971229395209914_4484952418680239170_n-980x653.jpg 980w, https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489844657_971229395209914_4484952418680239170_n-480x320.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/p>\n<h3 data-start=\"5216\" data-end=\"5270\">The Rarity and Importance of Orca Predation Events<\/h3>\n<p class=\"\" data-start=\"5272\" data-end=\"5514\">This marks only the <strong data-start=\"5292\" data-end=\"5318\">fourth documented case<\/strong> of orcas successfully preying on a blue whale in the Bremer Canyon, with the first recorded in 2019. Globally, such events are incredibly rare, making this encounter scientifically significant.<\/p>\n<p class=\"\" data-start=\"5516\" data-end=\"5863\">These moments offer powerful insight into the <strong data-start=\"5562\" data-end=\"5588\">role of orca predation<\/strong> in <a href=\"https:\/\/soe.dcceew.gov.au\/marine\/environment\/marine-habitats-and-communities\">marine ecosystems<\/a>. As apex predators, orcas influence the structure and behaviour of marine life below them through <em data-start=\"5708\" data-end=\"5726\">top-down control<\/em>. Events like this may also influence the long-term population recovery of endangered blue whales in the wake of past commercial whaling.<\/p>\n<p data-start=\"5516\" data-end=\"5863\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-39966 aligncenter\" src=\"https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489809575_971229671876553_6968052066863804685_n-1-1024x683.jpg\" alt=\"Petrel feeding on an orca predation\" width=\"1024\" height=\"683\" srcset=\"https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489809575_971229671876553_6968052066863804685_n-1-980x653.jpg 980w, https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/wp-content\/uploads\/2025\/04\/489809575_971229671876553_6968052066863804685_n-1-480x320.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/p>\n<h3 data-start=\"5870\" data-end=\"5919\">Why Orca Predation Matters for Marine Science<\/h3>\n<p class=\"\" data-start=\"5921\" data-end=\"6174\">Understanding the dynamics of <strong data-start=\"5951\" data-end=\"5969\">orca predation<\/strong> helps researchers grasp how ecosystems function and evolve. By observing these rare events firsthand, we gather valuable data on orca hunting strategies, social behaviour, and interspecies interactions.<\/p>\n<p class=\"\" data-start=\"6176\" data-end=\"6419\">This encounter highlights the Bremer Canyon as a crucial site for marine research, conservation, and education. For guests and scientists alike, it was a day that delivered both incredible natural spectacle and deeper ecological understanding.<\/p>\n<p class=\"\" data-start=\"6426\" data-end=\"6613\"><strong data-start=\"6426\" data-end=\"6435\">Note:<\/strong> This blog offers an interpretation of the day&#8217;s events based on direct observation. Further analysis of images, data, and supporting material may lead to additional conclusions.<\/p>\n<h3 class=\"\" data-start=\"6840\" data-end=\"6872\">\ud83d\udcf0 Media &amp; Press Enquiries<\/h3>\n<p class=\"\" data-start=\"6873\" data-end=\"7091\">For further details, expert interviews, or information on licensing images or footage from this encounter, please contact us directly.<\/p>\n<p class=\"\" data-start=\"6873\" data-end=\"7091\">\ud83d\udce7 <a class=\"cursor-pointer\" href=\"https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/contact\/\" rel=\"noopener\" data-start=\"7013\" data-end=\"7091\">Get in touch with our team<\/a><\/p>\n<h3 class=\"\" data-start=\"6620\" data-end=\"6668\">\ud83d\udcc5 Book Your Bremer Canyon Orca Expedition<\/h3>\n<p class=\"\" data-start=\"6669\" data-end=\"6838\">Join us for your own unforgettable experience with the ocean\u2019s apex predator. Season ends April 21st.<\/p>\n<p class=\"\" data-start=\"6669\" data-end=\"6838\">\ud83d\udd17 <a class=\"\" href=\"https:\/\/naturalistecharters.dilatevps1.cloudsites.net.au\/old\/bremercanyonkillerwhales\/\" target=\"_new\" rel=\"noopener\" data-start=\"6752\" data-end=\"6838\">Book your tour at naturalistecharters.com.au<\/a><\/p>\n<p class=\"\" data-start=\"7137\" data-end=\"7363\">\n","protected":false},"excerpt":{"rendered":"<p>A Rare Orca &#8211; Blue Whale Predation in Bremer Canyon Warning: Graphic content Date: 07.04.25 Subject: A Rare Orca &#8211; Blue Whale Predation Written by: Marine Biologist, Jennah Tucker Photography by: Annika Dahlberg, Allan Cronin and Machi Yoshida Here, we share our incredible up close experience with an orca and blue whale predation in Bremer [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":39953,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[80,402],"tags":[154,54,38,39,67,708,707,41,60,538,709,174,70,710,252,40],"class_list":["post-39926","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-daily-whale-watching-blog","category-news-media","tag-killer-whale-predation","tag-blue-whale","tag-bremer-bay","tag-bremer-canyon","tag-killer-whale","tag-killer-whale-blue-whale","tag-killer-whales-attack-blue-whale","tag-naturaliste-charters","tag-orca","tag-orca-hunt","tag-orca-predation","tag-pilot-whales","tag-predation","tag-pygmy-blue-whale","tag-sperm-whale","tag-western-australia"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.5 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Orca Vs Blue Whale | Naturaliste Charters<\/title>\n<meta name=\"description\" content=\"Here we share our incredible up close orca vs blue whale predation in Bremer, an unforgettable lesson in the reality of life \u2014 and death.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Orca V&#039;s Blue Whale Predation\" \/>\n<meta property=\"og:description\" content=\"Here we share our incredible up close orca vs blue whale predation in Bremer, an unforgettable lesson in the reality of life \u2014 and death.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/naturalistecharters.com.au\/blogs\/orca-vs-blue-whale-predation\/\" \/>\n<meta property=\"og:site_name\" content=\"Naturaliste Charters\" 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