Malabar Grey Hornbill (Ocyceros griseus) [XC777836]
by Sathyan Meppayur from Cotigao Wildlife Sanctuary (near Khotigao), Goa, India (song)
Malabar Grey Hornbill (Ocyceros griseus) [XC473490]
by Siddhesh Bhor from Thattekad Bird Sanctuary--Urulanthanni, Idukki County, Kerala, India (call)
Subspecies
Sometimes considered to form a superspecies with Sri Lanka Grey Hornbill (Ocyceros gingalensis), or are often treated as conspecific, but they differ in bare-part colours and some morphological and behavioural details.