[HN Gopher] Genetic Evidence of Killer Whale Predation on White ...
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       Genetic Evidence of Killer Whale Predation on White Sharks in
       Australia
        
       Author : PaulHoule
       Score  : 7 points
       Date   : 2025-02-07 19:40 UTC (3 days ago)
        
 (HTM) web link (onlinelibrary.wiley.com)
 (TXT) w3m dump (onlinelibrary.wiley.com)
        
       | lysace wrote:
       | It's news that Orcas kill white sharks? I thought they have been
       | doing this for a very, very long time?
        
         | throwup238 wrote:
         | First line of the abstract:
         | 
         |  _> Killer whales (Orcinus orca) have been documented to prey
         | on white sharks (Carcharodon carcharias), in some cases causing
         | localised shark displacement and triggering ecological
         | cascades._
         | 
         | This paper describes using genomic analysis to positively
         | identify the cause of death of a specific white shark carcass.
         | They already suspected it was killer whales due to the missing
         | liver which is similar to past recorded cases off the coast of
         | South Africa.
        
           | lysace wrote:
           | Yes, I also read that. Still mystified about how this is new
           | or interesting.
        
             | PaulHoule wrote:
             | It's another way to observe the behavior.
        
               | lysace wrote:
               | That's fair.
               | 
               | Edit: I suppose I'm conditioned by honestly often
               | incompetent activists to think that every new piece of
               | evidence of _something_ in nature is a claimed proof that
               | humans must scale back their ambitions or else.
               | 
               | I recognize that this is not healthy.
        
             | dghlsakjg wrote:
             | Last line of the abstract intro: These findings are
             | consistent with those previously reported from South Africa
             | suggesting that predations of this nature are potentially
             | more prevalent than currently assumed.
             | 
             | That certainly seems both new and interesting.
        
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       (page generated 2025-02-10 23:00 UTC)