The historic royal tradition of “swan upping” reveals a sharp decline in swan young on the River Thames.
Click here for original story, Swan upping: Royal cygnet numbers drop by 40% in a year
Source: BBC News – Science & Environment
The historic royal tradition of “swan upping” reveals a sharp decline in swan young on the River Thames.
Click here for original story, Swan upping: Royal cygnet numbers drop by 40% in a year
Source: BBC News – Science & Environment