Scientists say a study of Maine's moose population shows that March and April are the key months for moose to survive, especially the young.

Maine's Department of Inland Fisheries and Wildlife has put radio collars on almost 150 moose to learn about things like their reproduction and ability to survive.

Officials with the department say they have learned that March and April are the months when the majority of moose die. Moose calves that are about 10 or 11 months old suffer particularly high die offs in those months.

The department says it is in the third year of a five-year moose study. Scientists with the department say analysis of the data in the coming few years will be important to managing the state's moose population.

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