| 1 | The reproductive success of Hazel grouse (Bonasa bonasia) was studied at Changbai Mountain from 1986 to 1995. | |
| 2 | The animals are mainly Red deer, Chinese water deer, Roe deer and wild duck, hazel grouse, pheasant etc. | |
| 3 | These birds, such as the lesser prairie chicken, are threatened by farmers converting grasslands into corn fields to meet demand for biofuels. |
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