|Most recent IBA monitoring assessment|
|Year of assessment||Threat score (pressure)||Condition score (state)||Action score (response)|
|2005||low||not assessed||not assessed|
|For more information about IBA monitoring please click here|
Mountains with NE-SW orientation and maximum altitudes of 1330 meters (Alvão) and 1416 m. (Marão). The site is longitudinally bounded by the valleys of the rivers Tâmega (at West) and Corgo (at East). The site reaches its lower altitude at river Corgo's mouth. This site holds a large diversity of geomorphologic situations and natural habitats, namely atlantic humid meridional heaths and mountanious grass-lands. Groves, oak forests of Quercus robur and Q. pyrenaica, water fringe forests of Salix alba and Populus alba and cork oak forests are also found.
Alvão and Marão mountains re important due to the presence of an isolated breeding pair of Aquila chrysaetos. The site also holds a resident colony of Pyrrhocorax pyrrhocorax that during winter increases its number with feeding individuals. These mountains have ornithological importance for holding interesting raptors and transaharian migratory passerines. There are 146 bird species refered for this area.
BirdLife International (2020) Important Bird Areas factsheet: Serras do Alvão e Marão. Downloaded from http://www.birdlife.org on 27/10/2020.