Hybrids

... that. What would you do? I could argue they can be considered the same species but I'm not sure whether that creates a second problem with the hybrids.

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... now --- such as the fact that the species of Darwin's finches can interbreed, http://en.wikipedia.org/wiki/Canid_hybrid#Wolf-dog_hybrid Canid hybrids are the result of interbreeding between different species of the canine (dog) family (Canidae). for a whole list of interbreeding species http://www.geocities.com/plin9k/limiting-species.htm

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... and there are cases where it is unclear which it is, I want to include endosymbiosis as a type of hybridization speciation. Some will argue that hybrids are only formed sexually but in a lab produced induced hybrid that would not be true either but they are still called hybrids. So if you see ...

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... and a human??????? those are two different species, can they mate successfully?? there's probably a very good reason why we don't have these hybrids.

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... close symbiosis of an alga and a fungus the individual cells stay strictly as either fungal or algal cells; symbiosis does not form inter-species hybrids. By simply merging haploid cells you probably cannot hybridize even a human and a chimp, since the few percents of genetical differences there ...

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