Grey-throated Martin (Riparia chinensis) [XC721548]
by Greg Irving from Barshul Birding Hotspot, Bardhaman, West Bengal, India (alarm call, call, flight call)
Grey-throated Martin (Riparia chinensis) [XC291924]
by Thet Zaw Naing from Barmer, Barmer, Rajasthan, India (call, flight call)
Subspecies
Considered by some authors to be a subspecies of Plain Martin (Riparia paludicola).
The following 2 subspecies are recognised:
chinensis (Gray, 1830) - Southern Tadjikistan, northern Afghanistan, Pakistan and northern India east to Myanmar, southern China (southern Yunnan) and Indochina, also Taiwan. Considered by some authors to be a subspecies of Plain Martin (Riparia paludicola).
tantilla Riley, 1935 - Northern Philippines (Luzon). Considered by some authors to be a subspecies of Plain Martin (Riparia paludicola).