41.   A new generation of sober-minded zookeepers, trained to re-create natural habitats, questioned its educational value.

42.   All these movements of birds mean that a policy of landscape management preserving only isolated pieces of natural habitat is doomed to fail.

43.   But in many cases, the costs in loss of or injury to natural habitat are manifestly unattractive.

44.   But it was also a natural habitat for snakes.

45.   But over that career, he found his true calling, the study of animals in their natural habitats.

46.   But Lovell manages to get a three-month stay of relocation, during which he and Olsen observe the unusual woman in her idyllic natural habitat.

47.   But Manuel prefers to find them in their natural habitat and often takes her classes on field trips to the Granite Reef Dam area.

48.   But when Vollrath tracked N. clavipes in their natural habitat in the forests of Panama, he realized nothing could be further from the truth.

49.   Considered living fossils, Zacatuches -- also known as Teporingos -- are in danger of becoming extinct because their food supply and natural habitats are being destroyed.

50.   Conway is hard-pressed to find much natural habitat on the river banks around Grand Junction.