Related LinksWorld Migratory Bird Day (WMBD) 2011http://worldmigratorybirdday.org/2011/index.php2015-03-24T15:56:35ZWorld Migratory Bird Day[email protected]Joomla! 1.5 - Open Source Content ManagementSmithsonian National Zoology Center - Migratory Bird Center2011-03-23T10:58:48Z2011-03-23T10:58:48Zhttp://worldmigratorybirdday.org/2011/index.php?option=com_weblinks&view=weblink&id=118&Itemid=13The Smithsonian Migratory Bird Center aims to clarify the causes for declines in migratory bird populations and to protect habitats of migratory birds. The Smithsonian Migratory Bird Center aims to clarify the causes for declines in migratory bird populations and to protect habitats of migratory birds. University of California - California Agriculture2011-03-23T10:59:12Z2011-03-23T10:59:12Zhttp://worldmigratorybirdday.org/2011/index.php?option=com_weblinks&view=weblink&id=119&Itemid=13This article outlines the environmental issues surrounding desert agricultural water usage along the Colorado River in the U.S.This article outlines the environmental issues surrounding desert agricultural water usage along the Colorado River in the U.S.Agriculture destroys and degrades more habitat than any other factor2011-04-07T09:00:47Z2011-04-07T09:00:47Zhttp://worldmigratorybirdday.org/2011/index.php?option=com_weblinks&view=weblink&id=125&Itemid=13Article from BirdLife International describing the negative effects of the expansion of agriculture, causing declines in biodiversity across huge areas.Article from BirdLife International describing the negative effects of the expansion of agriculture, causing declines in biodiversity across huge areas.