Intelligent animals both, crows(ravens?) and wolves have been known to play together in the wild and it has been observed that crows(Ravens?) will sometimes alert wolves to potential prey in order that they might share in the food it would provide.
There are some 30 facilities in the USA trying to help secure the Mexican Grey Wolves future. There are an estimated 300 Mexican Wolves in captivity and only 50 in the wild. The Mexican Wolf was re-introduced in the wild in the 1990