Swan bottoms sized up for science
Friday, March 11, 2011 - 05:30
in Earth & Climate
Researchers at the Wildfowl and Wetlands Trust are measuring the size of Bewick's swans' behinds in the name of conservation.
Researchers at the Wildfowl and Wetlands Trust are measuring the size of Bewick's swans' behinds in the name of conservation.