adj.(of flora or fauna) likely in the near future to become endangered

"the spotted owl is a threatened species, not yet an endangered one"

Threatened birds of the world
Threatened birds of the world 2004
Threatened biota : 'hotspots' in tropical forests
Threatened biotas: "hot spots"in tropical forests.
Conservation genomics of threatened animal species.
Washing away your sins: threatened morality and physical cleansing.
Myers N. — Threatened biotas: “Hot Spots” in tropical forests. Environmentalist
Threatened Plant, Animal, and Fungus Species in Swedish Forests: Distribution and Habitat Associations
Mangrove Forests: One of the World's Threatened Major Tropical EnvironmentsAt least 35% of the area of mangrove forests has been los...
Four-year experience with Palmaz-Schatz stenting in coronary angioplasty complicated by dissection with threatened or present vessel...