Also called the timber wolf, it's the most commonly found wolf species globally.
Found in Arctic regions, it's specialised to endure extreme cold.
Critically endangered and among the rarest wolf species.
One of the rarest canids globally, with less than 500 individuals.
Known as the lobo, it's one of the most endangered grey wolf subspecies.
Some scientists classify it as a separate species, while others see it as a grey wolf subspecies.
Inhabits high-altitude areas and has adapted to harsh mountain conditions.