Bird barriers.

• Position: UPDATES - U.S. government border fence devastate bird habitat - Brief article

See "Conservation Biology in the U.S.-Mexican Border Region," November/December 2004, p. 36

Construction is proceeding on a new 700-mile border fence in southern Arizona that the U.S. government says is needed to stem the flow of illegal immigrants and drug-runners from Mexico. Environmentalists say the wall will devastate the nearby San Pedro...