The Mallard species complex

So if you thought the gray wolf species complex is controversial, it mirrored in another charismatic, widespread species. I used to be quite into domestic ducks. My preferred variants were all domesticated Eurasian mallards, and I regularly encountered wild mallards … Continue reading

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Canis mosbachensis and the origins of the modern Canis species

What we do know about the origins of Canis species is much more hotly-contested than what we know about the evolution of our own species. The earliest fossils of the genus are roughly 6 million years old, and the oldest … Continue reading

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Qinling pandas and “red wolves” and the species problem

Hundreds of species concepts exist, and within these concepts there are great controversies. As long time readers know, I am very skeptical of the validity of the red and Eastern wolves as distinct species, and I am even more controversial … Continue reading

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Why is the Canada lynx a distinct species?

For many years, there was a bit of debate about how many Lynx species there were. In the 1980s,  the Canadian lynx and the Eurasian lynx  were thought to represent a single species. The Canada lynx is not a northern … Continue reading

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