And sometimes you can have two things that everybody agrees are different species but which happily hybridize (with fertile offspring) all the time! https://ww

And sometimes you can have two things that everybody agrees are different species but which happily hybridize (with fertile offspring) all the time! https://www.princeton.edu/news/2020/05/07/gene-flow-between-species-influences-evolution-darwins-finches https://www.princeton.edu/news/2020/05/07/gene-flow-between-...