Sex dating in ipswich south dakota
If, at this point, you’re wondering where mammals like mustelids, seals, bears, etc. The evolutionary history of the dog family is still not completely resolved (and may never be, as new fossil finds and molecular techniques offer new insights), but the following is a generally accepted hypothesis.
Readers interested in a more detailed appraisal of dog evolution are directed to Xiaoming Wang and Richard Tedford’s authoritative account in their 2008 book and I recommend the reader visits Wiki Pedia and The Searching Wolf.
In their 1982 comparison of Red and Arctic ( comes from the Old World and dates to the early Pleistocene (between 1.8 and 1 mya) of Hungary and, in her 2008 study of Red fox dentition, Polish Academy of Sciences mammalogist Elwira Szuma suggested that the current line evolved either in Asia Minor or North Africa around this time.
As fox populations rose in Eurasia, those in North America appear to have dwindled.
The origins of our modern-day Red fox (, which lived in southern Europe at the end of the Pliocene, around 2.6 mya – this species was first discovered in deposits from Italy in the late 1800s, but remains were subsequently found in France, Spain and Greece.When the ice melted the Holarctic clade spread south and east, while the Nearctic clade spread north, the two meeting in central Canada.