Conservation groups filed suit in federal court December 19 to seek Endangered Species Act protection for the rare Yellow-billed Loon, which is threatened by oil development in Alaska and the loss of its tundra habitat in the face of global warming. See press release at: http://www.biologicaldiversity.org/swcbd/press/yellow-billed-loon-12-19-2007.html; see Associated Press story at: http://news.yahoo.com/s/ap/20071219/ap_on_sc/loon_listing_2.