Black Buffalo in dreams
A heavy, horned herd animal — collective force that protects its young by closing ranks.
How black changes the reading
Black colour pulls the symbol toward the not-yet-known — depth, hiddenness, the part of the situation that has not yet come into the light. The dream is rarely warning you; it is showing you that there is more to the picture than the part you have been looking at.
The base reading of Buffalo
A buffalo in a dream is the dream's image of the group that becomes a single defensive body. Buffalo herds turn outward, horns to the predator, calves in the middle; the dream uses them when a family, a team, or a community is being asked to form that ring. A buffalo herd standing close is the dream marking the protective instinct doing its job. A solitary buffalo separated from the herd is the dream noting that someone — possibly you — has been pushed to the edge and the group has not noticed yet.