1.   No market for furs equals no shops like that one, equals no fur trade, no species extinction.

2.   Eldest son Richard developed the Kenyan museum system and established Kenyan wildlife protection programs that avert species extinctions.

3.   If exhumed, the Hook carcass could help solve one of the great mysteries of species extinction.

4.   He found that the rate of species extinction was about the same in all of the areas.

5.   Hill said the government recognized the importance of protecting biodiversity in Australia, which has a high rate of species extinction.