11.   In the search for causes of the declines, researchers quickly ruled out habitat destruction.

12.   Interior Secretary Bruce Babbitt and environmentalists said that failing to protect habitat would gut the law because habitat destruction is the chief cause for species decline.

13.   Most scientists agreed that habitat destruction or degradation was the leading cause of amphibian declines in most parts of the world.

14.   Most wildlife-conservation problems are about habitat destruction.

15.   More important than habitat destruction and conflicts with poor farmers, though, is the fact that a wide range of tiger parts are highly prized in Chinese medicine.

16.   My time in the field seems to confirm that habitat destruction is reducing the Eastern songbird population.

17.   Often the victims of habitat destruction, sea dragons have become a protected species in Australia.

18.   Overfishing was the root cause of the threat in most cases, followed by habitat destruction and pollution.

19.   Snow geese were nearly wiped out by over-hunting and habitat destruction earlier in this century.

20.   Suspected causes include habitat destruction, predation by nonnative fish, infectious diseases and parasite invasions.