original question: Which glacier has the status of [Retreating]?
answer: boston glacier, muir glacier, borealis glacier...
answer type: Glacier.
auxiliary information: Glaciers that are currently shrinking in overall length (as measured over an elapsed span of time, usually years or decades, to date) due to melting or lack of snowfall at their source are considered to be retreating.
What is a glacier which currently has the status of [Retreating]?