The Bermuda cedar forests that covered much of the Bermuda landscape, pre-deforestation, fed and housed many species of bird that had evolved and adapted to live amongst them. With the loss of so many trees, the populations of these bird species have declined to near extinction including the Bermuda white-eyed vireo, and a possible subspecies of eastern bluebird. Efforts by the public and the government have been made to boost their populations along with the populations of the Bermuda cedar. However the Bermuda cedar may take 200 years to reach full maturity, and the birds may not survive this long. With recent sea level rises, some low-lying old-growth cedars are being infiltrated with seawater and are beginning to die off.