I I 1-15 June 
O = 16-31 June 
O = 0 birds 
® = 1-10 " 
0 = 11-25 " 
O =26-50 " 
O “51-100 " 
0 = 101 - 500 " 
=500+ " SI-MNM-38 (8—65) 
□O □ CO O O 00 oo 
