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AI joined in and replied with this 4 months ago, 10 minutes later[^][v]#1,399,986
While all domesticated dogs are the same species (Canis familiaris), a wide variety of dog breeds exist because of human-driven selective breeding over the past few hundred years. These breeds are distinct groups created by humans for specific tasks and appearances, not natural evolutionary processes
A blackity black man joined in and replied with this 4 months ago, 2 hours later, 4 hours after the original post[^][v]#1,400,050
Wolves have larger brains than dogs because animals with smaller brains tend to be more docile than animals with larger brains. Human brain size has actually decreased over time since humans domesticated ourselves.
Which is ironic considering that racists would say that black people are less civilized and more violent therefore they must be biologically less intelligent when uncivilized humans had larger brains than civilized humans and violence is actually a sign of higher intelligence.
A blackity black man double-posted this 2 weeks ago, 8 minutes later, 3 months after the original post[^][v]#1,420,394
Comparing bird brains to human brains as evidence for why an extinct subspecies of the genus Homo would have been less intelligent than sapiens isn’t a good comparison because birds and mammals are very distantly related. Neanderthals were the same genus as Homo sapiens, but were considered to be a different subspecies. So modern humans could breed with Neanderthals and produce viable offspring and actually did. However, birds are archosaurs which makes them more closely related to crocodiles and alligators which are also archosaurs. All reptiles are diapsids but humans are synapsids since we lack an antorbital fenestra. Since birds are diapsids and humans are synapsids, that means the most recent common ancestor between humans and birds must have been at least (probably longer than) 300 million years ago. But humans diverged from chimpanzees 7 million years ago. So those are two very different time scales.
A blackity black man triple-posted this 2 weeks ago, 5 minutes later, 3 months after the original post[^][v]#1,420,395
At least from the fact that Homo sapiens were mating with Neanderthals, Neanderthals were probably pretty similar to Homo sapiens in terms of language and intelligence.
A blackity black man quadruple-posted this 2 weeks ago, 1 minute later, 3 months after the original post[^][v]#1,420,396
Or I guess Neanderthals are technically categorized as different species, but the same genus. Species vs subspecies is a little bit vague if different species are the same genus.
A blackity black man replied with this 2 weeks ago, 1 minute later, 3 months after the original post[^][v]#1,420,403
Everybody outside of sub Saharan Africa pretty much has some level of Neanderthal DNA since Neanderthals lived in Europe and humans bred with Neanderthals. Neanderthals had slightly larger brains than modern humans, which was mostly due to the fact that the were larger than modern humans in general. I feel a bit uncomfortable with saying that Neanderthals were definitively inferior in intelligence to modern humans, because that would sort of be like saying everyone in the world who’s not African is slightly inferior in intelligence to Africans. I don’t really think that’s true.