sentences:  Raptors are seeing declines in their populations and this species appears to be decreasing in numbers and is categorised as Vulnerable by the International Union for Conservation of Nature.Along with the black-chested snake eagle often treated as a subspecies of the short-toed eagle because of reports of mixed pairings and because Beaudouin's snake eagle is intermediate in plumage between short-toed eagle and black-chested snake-eagle.However, plumage differences are significant enough for all three to be currently regarded as three separate species within a single superspecies.