|Most recent IBA monitoring assessment|
|Year of assessment||Threat score (pressure)||Condition score (state)||Action score (response)|
|2008||very high||very unfavourable||medium|
|For more information about IBA monitoring please click here|
A deep estuary with some remnant brackish marshes, extensive mudflats and sandbanks. There is a small rocky islet at the mouth of the estuary and a large coastal cliff in the west of the area.
This is an important site for passage and wintering waders and Platalea leucorodia and resident seabirds.
BirdLife International (2019) Important Bird Areas factsheet: Urdaibai - Matxitxako. Downloaded from http://www.birdlife.org on 20/05/2019.