Cooperative Research Units

Due to a lapse in appropriations, the majority of USGS websites may not be up to date and may not reflect current conditions. Websites displaying real-time data, such as Earthquake and Water and information needed for public health and safety will be updated with limited support. Additionally, USGS will not be able to respond to inquiries until appropriations are enacted.  For more information, please see

Filter Total Items: 2
Date published: February 26, 2016

Restoring Whooping Cranes to Southwest Louisiana: A Cooperative Venture

Researchers from the Louisiana Cooperative Research Unit evaluated habitat suitability at White Lake, Louisiana, for the possible reintroduction of endangered whooping cranes. The information collected led to the 2011-2012 release of 40 cranes. Researchers are continuing to monitor the reintroduced cranes and more releases are planned.

Date published: February 26, 2016

Metapopulation Dynamics of the Adélie Penguin

The Oregon Cooperative Unit, graduate students, and a group of U.S. and international collaborators are conducting long-term research on the Adélie penguin on Ross Island, Antarctica. This species depends on sea ice (obligate) and in some regions of Antarctica is being affected by climate change’s influence on sea ice patterns.