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A comment on Are Domestic and Wild Salmon Still the Same Species?. Parent comment

Re:Are Domestic and Wild Salmon Still the Same Species? by wmil on Friday November 27, 2015 @10:26AM (#10637633)
Polar bears and grizzlies are probably a better example. They produce fertile offspring but no one thinks of them as the same species.
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Re:Are Domestic and Wild Salmon Still the Same Species? by galago on Friday November 27, 2015 @10:41AM (#10637693)
Wolves, coyotes, domestic dogs are another example that comes up in this discussion.
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Re:Are Domestic and Wild Salmon Still the Same Species? by Turing_Machine on Friday November 27, 2015 @01:40PM (#10638329)
Yeah, all of those can interbreed, more or less. On the other side of the coin, consider dogs alone. Successful breeding between Great Danes and Chihuahuas is quite rare. :-)

The "successful breeding" metric isn't very satisfactory on any level

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