Bat Hawk (Macheiramphus alcinus) [XC730910]
by Mike Nelson from Gomantong Caves, Kinabatangan, Sabah, Borneo, Malaysia (flight call)
Bat Hawk (Macheiramphus alcinus) [XC140702]
by Diego Caiafa from Dabra, Southern Mamberamo basin, Papua, Indonesia (call)
Subspecies
Genus name often spelt Machaerhamphus, but Macheiramphus has priority. Little known population of Sulawesi might refer to distinct, undescribed subspecies.
The following 3 subspecies are recognised:
alcinus Westermann, 1851 - Southern Burma, western Thailand, Malay Peninsula, Sumatra, Borneo and north-central Sulawesi.
papuanus Mayr, 1940 - Eastern New Guinea.
anderssoni (Gurney Sr, 1866) - Senegambia east to Ethiopia and south to South Africa, Madagascar.