Bat Hawk (Macheiramphus alcinus) [XC422135]
by Bas van Balen from Tenegang tributary, Lower Kinabatangan River, Sabah, Borneo, Malaysia (call)
Bat Hawk (Macheiramphus alcinus) [XC303753]
by from near Borneo Rainforest Lodge, Danum Valley, Sabah, Malaysia (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.