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I live in the boondocks since 1979 and find the coyotes are shy and more
fearful than the fox. Fox can be pretty bold especially if you have
poultry. We see more fox than coyotes. Since new homes have been built in
this area, along my road, I don't see coyotes anymore.

Maybe because of our dogs they stayed away from the ponds.

Both foxes and coyotes will become tame VERY easily. Foxes will come
and beg. Big problem with foxes is rabies. Coyotes will eat your pets
(dogs included). Both I think would eat a fish if they could catch
them. Pretty much omnivores like dogs.
We have both in our neighborhood (bobcats too) and we live in the city,
although our neighborhood backs up to a small mountain and forest.