 Waxa kale oo ay qorshaynayaan hadda khubaradani in ay sameeyaan daraasad cusub oo laga samaynaayo dhulka dhaca badhtamaha Siberia, kaas oo ah 85 ilaa 195 oo Barri ah iyo 51 ilaa 75 oo Waqooyi ah, iyada oo uu ku salaysnaan doono cilmibaadhistani heerka kulayl ee uu gaadhi doono waqtiyadda Soo socda. 