[Alas Babylon!]

Not so much coydogs as coywolves.

10 % dog, 25% wolf and 65% coyote.

https://blog.education.nationalgeographic.org/2015/11/04/meet-the-coywolf/

[marktwain]

Coyotes, wolves and dogs all breed and produce viable offspring.

They probably should be considered on gigantic, highly variable, species.