Total number of nests
*
*
*
*
*
2015
2005
1994
0
200
400
600
Total number of nests
*
*
*
*
*
15
13
09
07
05
02
00
98
96
94
0
200
400
600
Total number of nests
*
*
*
*
*
15
13
09
07
05
02
00
98
96
94
0
200
400
600
Total number of nests
*
*
*
*
*
15
13
09
07
05
02
00
98
96
94
0
200
400
600