From: rokimoto557@gmail.com   
      
   https://phys.org/news/2025-12-songbirds-swap-plumage-genes-species.html   
      
   We were just talking about horizontal transfer between modern humans and   
   Neanderthals.  This article is about research that looked at the genomes   
   of 115 different species of warblers that have evolved within the last   
   10 million years.  Like the Denisovan brow ridges they find phenotypic   
   sharing through horizontal gene transfer (species interbreeding).  This   
   likely goes on among all closely related species that can produce viable   
   hybrids, and is just a normal part of evolution.  It has to be limited   
   or there would not be separate populations that can be easily   
   distinguished from each other.   
      
   Ron Okimoto   
      
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