A white tiger with baby cub. The white tiger is not an albino as they simply carry a pigment that makes their fur white. White tigers are not easily hidden and have to work harder for their food. The white tiger is primarily found in India.
A black panther is typically a melanistic color variant of any Panthera species. Black panthers in Asia and Africa are leopards (Panthera pardus). Black panthers in the Americas are black jaguars (Panthera onca).