Humans Show Birds How to Fly South for Winter — VOA Learning English
Topics: наука й природа
Beginning
Humans hunted and killed almost all northern bald ibis birds by the 17th century. But breeding and rewilding efforts over the last 20 years helped grow the bird population.
However, the birds do not know which direction to fly to migrate without the guidance of wild-born birds. So, humans are helping the birds learn their migration path.
The northern bald ibis once flew over North Africa, the Arabian Peninsula and much of Europe, including southern Germany's Bavaria. People liked eating the migratory birds, and they disappeared from Europe. A few groups of the birds survived in other places.
In 2002, a conservation and research group based in Austria stepped in to help. The group is called…
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