Tolfa hills

IBA Criteria

Year of most recent IBA criteria assessment: 2000

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Eurasian Thick-knee Burhinus oedicnemus LC breeding 1995 2-5 breeding pairs C6
Little Owl Athene noctua LC resident 1995 100-120 breeding pairs B2
European Honey-buzzard Pernis apivorus LC breeding 1995 25-35 breeding pairs C6
Montagu's Harrier Circus pygargus LC breeding 1995 5-10 breeding pairs B3, C6
Red Kite Milvus milvus LC resident 1995 4-5 breeding pairs C6
Short-toed Snake-eagle Circaetus gallicus LC breeding 1995 10-15 breeding pairs B2, C6
Milvus migrans NR breeding 1995 20-30 breeding pairs B2, C6
European Bee-eater Merops apiaster LC breeding 1995 200-300 breeding pairs B2
European Roller Coracias garrulus LC breeding 1995 30-40 breeding pairs B2
Common Kestrel Falco tinnunculus LC resident 1995 100-120 breeding pairs B2
Red-backed Shrike Lanius collurio LC breeding 1995 min 50 breeding pairs C6
Calandra Lark Melanocorypha calandra LC resident 1995 45-55 breeding pairs C6
Greater Short-toed Lark Calandrella brachydactyla LC breeding 1995 30-40 breeding pairs C6

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Monterano Regional Nature Reserve 900 protected area contained by site 900
Marturanum Regional Urban Park 1,450 protected area contained by site 1,450


IUCN Habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland, Mixed woodland, Broadleaved evergreen woodland -
Shrubland Sclerophyllous scrub, garrigue and maquis -
Grassland Steppes and dry calcareous grassland -
Wetlands (inland) Rivers and streams -
Rocky areas (eg. inland cliffs, mountain peaks) Inland cliffs -
Artificial/Terrestrial Highly improved re-seeded landscapes, Arable land, Ruderal land -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
forestry -
hunting -
military -
urban/industrial/transport -
nature conservation and research -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Tolfa hills. Downloaded from on 13/08/2022.