21.   Are we really wiping out that rare species?

22.   Bean talked about tax incentives for property owners who kept their land suitable for rare species.

23.   Before Schmitt left for Africa, he fielded phone calls from people questioning the wisdom of removing rare species from their natural environment.

24.   But conservatives in Congress, fearful that such a survey would turn up rare species that would need protection, shot down the plan.

25.   But eventually Coolidge became a major force behind preserving the kind of rare species he had once shot.

26.   But Republicans are a rare species in his crowds.

27.   But the service has not been able to survey the area and track the survival of rare species, said Trudy Harlow, an agency spokeswoman.

28.   Five species of sea turtle are also on the rare species list.

29.   For many years, under the umbrella of the Endangered Species Act, federal officials tried to act unilaterally in matters of rare species.

a. + species >>共 618
endangered 27.52%
new 5.82%
different 4.65%
native 3.04%
rare 2.96%
protected 2.54%
threatened 2.33%
animal 2.09%
the 1.93%
human 1.56%
rare + n. >>共 1661
occasion 3.30%
case 2.82%
disease 2.38%
opportunity 2.21%
moment 1.96%
appearance 1.89%
form 1.79%
exception 1.47%
species 1.46%
book 1.42%
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