IndexNo:804668:SjMaJyecTKaP
| 投稿者 | Jocelyn |
|---|---|
| 投稿日時 | 2014/08/10 3:53:13 |
| Sorry, you must have the wrong number do homework for me do homework for me The birds are bred in captivity in Maryland and then transported to Wisconsin in the summer, where they are trained to follow a human-piloted ultralight on their first southbound fall migration. After that first flight, the birds are left to their own devices, though they're carefully monitored by scientists. | |