Kurt Kotrschal of the Konrad Lorenz Research Station leh the University of Vienna tangkawpin February 2011-a zawhte 41 leh a neitute thlithlaia an zirchiannaah, zawhte-in mipa aiin hmeichhia a ngaina zawk tih hmuhchhuah a ni. Zawhte chu mipa bul aiin hmeichhe bula awm nuam a ti zawk a, mipa bul aiin hmeichhe bulah a awm tam zawk thin a ni.
Kurt Kotrschal of the Konrad Lorenz Research Station leh the University of Vienna tangkawp vekin April 2011-a ui neitu mipa 10, hmeichhia 12 leh an uite thlithlaia an zirchiannaah, ui-in hmeichhia aiin mipa a ngaina zawk a, mipa bula awm nuam a tizawkin a awm tam zawk a ni tih hmuhchhuah a ni.
Thulakna: Discovery News & Times Magazine