The research paper about the proto-dog skull found in Siberia (that I
posted about here) has generated a lot of media interest with the vast majority
of reports focusing on the idea that it pushes back the dog’s domestication
from the previously thought 12,000-14,000 years ago to around 33,000 years ago.
This is not my reading of these researchers’ results as they clearly suggest
that the early stages of dog development did not include deliberate selection
by people, rather that it was a natural evolution of the wolf adapting to a
niche around people and therefore, I believe, should not be called
domestication.
This got me wondering if I was misunderstanding what “domestication”
actually means so I checked some definitions. Here are a couple from credible
sources that give a good overall feel for the meaning (emphasis is mine):
“… a species in which the evolutionary
process has been influenced by humans to
meet their needs" and “… the process whereby a population of animals
or plants, through a process of
artificial selection, is changed at the genetic level, accentuating traits desired by humans.” Convention on Biological Diversity;
“… the process of hereditary reorganization of wild animals and plants into domestic and cultivated
forms according to the interests of
people. In its strictest sense, it refers to
the initial stage of human
mastery of wild animals and plants. The
fundamental distinction of domesticated animals and plants from their wild
ancestors is that they are created by
human labour to meet specific requirements or whims and are adapted to the
conditions of continuous care and solicitude people maintain for them.” Encyclopedia
Britannica.
Every definition I read included some idea
of people deliberately changing
animals for some specific purpose. Therefore, the idea of the wolf changing to
a dog-like animal through natural selection cannot
be considered part of the dog’s domestication.
I have even seen the phrase
“self-domestication” being used to describe the first stages of change in the
wolf towards a dog-like animal but this is an oxymoron. Domestication needs
human intent; the wolf changing through natural selection (even though the
change is driven by the presence of people) has nothing to do with
domestication. The best I can offer under this process model is that the
natural change from wolf to early dog enabled or led to later domestication.
Domesticated dog or perhaps not? |
This is an important distinction to me
because the word “domestication” is clearly a hurdle in people’s understanding
of the dog’s origins. There is still a lot of room for debate and clarification
of details but calling the initial change in the wolf something like “the first stage in domestication” makes
people assume it was deliberately driven by us when it probably wasn’t. Let’s
save the word for the point when we did start selecting to meet our
whims (whenever that was).
And if we were to do this perhaps, just
perhaps, we might even start to wonder if many of those “village” dogs that we
so casually call strays are actually a domesticated animal or not.