Now a genetic study of the skins of scores of heath hens, all of them from the Vineyard, shows that the Island bird, although it looked and behaved much like its supposed parent species in the Midwest, was a wholly distinctive creature. Genetically it was more different from the greater western prairie chicken - that supposed parent species - than the Midwestern bird is from any other family member in its genus, which includes the lesser prairie chicken, the endangered Attwater's prairie chicken of eastern Texas, and even the sharp-tailed grouse. It is possible that instead of being a subspecies of the prairie chicken - which scientists have considered it to be since it was first typed in the last years of the nineteenth century - the heath hen might have been a species unto itself.

The Martha’s Vineyard Land Bank announced this week that it will preserve 43 acres of active agriculture at Thimble Farm, the familiar Vineyard far