There are two species of cottontails in the Northeast – the New England Cottontail and the Eastern Cottontail. The New England Cottontail was the only rabbit east of the Hudson River until the Eastern Cottontail was introduced in the late 1800s. Today the New England Cottontail is restricted to less than a fifth of its range in the early 1900s, whereas the Eastern Cottontail can be found throughout New England.
Although they are two separate species, these two rabbits look very similar – the Eastern Cottontail is slightly larger, has longer ears, and its eyes are half again as large as the New England Cottontail’s. The New England Cottontail is a forest species that depends on areas of thick shrubs and young trees that grow up following natural disturbances. A combination of dwindling habitat due to development, the ephemeral nature of young forests (they only last for 10 to 20 years before becoming older woodland, where ground-level plants are too thin to provide rabbits with enough food and cover to survive) and inferior eyesight has led to the dwindling population of New England Cottontails, and fostered the growth of the Eastern Cottontail population. Eastern Cottontails seem better able to survive in the increasingly fragmented habitats of New England, including open fields, forest edges, small thickets, and even golf courses and suburban lawns. (Photo: Eastern Cottontail)
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