ーー 一 こしとにCSICED HUCO St8KCS./1 1S WadS DCCauSe。in tne 19tn century, a只、4
disease nad caused the death of a large number of these animals/ However。in recent
earS。 scienistS have_brought a number of these animals from other places to restore their
popujafons/Therefore, there were both new and old groupS to compare.
Te scientists used GPS technology to track the movements of hundreds of moose
ーー ブー一
And Dienorn sheep/Some belonged to older groups that had lived in the west for more
nan 200 years, while others were part of newer groups that had recently been introduced
) (he areaノTne result was that almost all the members of older groups migrated at the
gnf fme betyeen (he higher and the lower parts of the mountains. However。newer
oups usuaJjy moved at the wrong time or did not move at all. In fact。 among animals
rf arrjved within the last 10 years。 only 9 percent Were able to make the mo
ceSS人月Y.
m addirion。 (he scientists recorded how much food was available along the migrati(
es af each animal took. They found that animals from older groups chose routes 人
Jarge amounts of food一sometimes traveling great distances between food sourc
ever。animals from newer groups only moved to nearby sources Of food that 1
| see. According to (he scientists、this shows that moose and bighorn sheep【
d knowledge of the best routes from older members of their groups。but
避。 St Ci
ありがとうございます🙇♂️