Muna 1992, Rasmussen akatora chinzvimbo chemubatsiri kuna S. Dillon Ripley, aimbova munyori weSmithsonian, uyo akanga achironga kugadzira gwaro rekupedzisira kune shiri dzeSouth Asia. Paakarwara nguva pfupi mushure mekutanga chirongwa ichi, Rasmussen akatora chirongwa ichi, uye nemunyori John C. Anderton, akabudisa shiri dzeSouth Asia: The Ripley Guide, bhuku re shiri mbiri-vhoriyamu yeIndia subcontinent iyo yaiva yekutanga nzvimbo yekufambisa nzvimbo yekuisa sonograms. Bhuku 1 rine mutungamiri wemunda ane mifananidzo inopfuura 3400 mumatare 180, uye anopfuura 1450 mapepa emuvara. Bhuku 2 (Zvipo uye mamiriro) rinopa zviyero, pamusoro pekuzivikanwa, kugoverwa, mamiriro, uye maitiro.
Assam, Arunachal Pradesh, Bangladesh uye Afghanistan