A protective nesting association with native species counteracts biotic resistance for the spread of an invasive parakeet from urban into rural habitats

Table 1 Abundance of species in the study area. Number of nests of Monk parakeets, white storks and avian predators in urban and rural areas. The type of substrate (i.e., pylon, tree or roof) is indicated for Monk parakeet and white stork nests

Species	2014		2015
Species	Urban	Rural	Urban	Rural
Monk parakeets Myiopsitta monachus	867	34	890	34
Associated with storks
Pylons	0	23	0	25
Trees	9	10	9	0
Roofs	0	0	0	0
Not associated with storks
Pylons	2	0	2	0
Trees	856	1	879	9
Roofs	0	0	0	0
White storks Ciconia ciconia	41	466	47	440
Pylons	6	233	7	209
Trees	32	217	37	216
Roofs	3	16	3	15
Black kites Milvus migrans	0	239	0	244
Common buzzards Buteo buteo	0	15	0	14
Booted eagles Hieraaetus pennatus	0	5	0	4
Northern goshawks Accipiter gentilis	0	3	0	3
Red kites Milvus milvus	0	1	0	1
Peregrine falcon Falco peregrinus	6	0	6	0

ISSN: 1742-9994