Rethinking the umbrella species concept. According to the 'umbrella species' concept, preserving and managing habitat for a single high-profile species also benefits a whole suite of other species that share its habitat -- but how well does this really work? Not all species that share the same general habitat necessarily have the same specific needs, and a new study from The Condor: Ornithological Applications finds that habitat management to benefit greater-sage grouse in Wyoming can actually harm some of its songbird neighbors. Source 8q.