lines = 'Male Plumage_Index Behavioral_Index
R    7    3  
S    13   10
D    14  11 
F    6    5 
W    14   15
K    15   15
U    4    7 
O    8    10
V    7    4 
J    9    9 
L    14   11'
con = textConnection( lines )
DF = read.table( con, header=TRUE )
close(con)