Populations of the world's rarest dog, the Ethiopian wolf, are genetically fragmenting, scientists say.[/color]
Fewer than 500 of Africa's only wolf species are thought to survive.
Now a 12-year study of Ethiopian wolves living in the Ethiopian highlands has found there is little gene flow between the small remaining populations.
That places the wolves at greater risk of extinction from disease, or habitat degradation.
In a study published in t
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