Axios, Loudias and Aliakmonas rivers' deltas

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 Spoonbill Platalea leucorodia LC breeding 1995 16-50 breeding pairs B1i, B2, C2, C6
Ixobrychus minutus NR breeding 1990 30-80 breeding pairs B2, C2, C6
Black-crowned Night-heron Nycticorax nycticorax LC breeding 1990 420-800 breeding pairs A4i, B1i, B2, C2, C6
Squacco Heron Ardeola ralloides LC breeding 1990 150-300 breeding pairs A4i, B1i, B2, C2, C6
Egretta garzetta NR breeding 1990 274-700 breeding pairs A4i, B1i, C2
Dalmatian Pelican Pelecanus crispus NT passage 1990 5-50 individuals A1, A4i, B1i, C1, C2
Pygmy Cormorant Microcarbo pygmaeus LC winter 1997 5,000 individuals A1, A4i, B1i, C1, C2
Eurasian Oystercatcher Haematopus ostralegus NT breeding 1996 5-15 breeding pairs B1i, C3
Pied Avocet Recurvirostra avosetta LC breeding 1996 50-70 breeding pairs B3, C6
Himantopus himantopus NR breeding 1996 100-150 breeding pairs B1i, C2
Charadrius alexandrinus NR breeding 1990 50-100 breeding pairs B1i, B2, C3
Slender-billed Curlew Numenius tenuirostris CR passage - 1 individuals A1, C1
Black-tailed Godwit Limosa limosa NT passage 1990 100-4,000 individuals B1i, C3
Collared Pratincole Glareola pratincola LC breeding 1996 50-100 breeding pairs A4i, B1i, B2, C2
Mediterranean Gull Larus melanocephalus LC breeding 1996 800-1,400 breeding pairs A4i, B1i, B3, C2, C6
Larus cachinnans NR winter 1990 5,000 individuals A4i, B1i, C3
Little Tern Sternula albifrons LC breeding 1996 70-130 breeding pairs B2, C6
Calandrella brachydactyla NR breeding 1990 frequent C6
A4iii Species group - waterbirds n/a unknown - 20,000 individuals A4iii, C4

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

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Stergios-Aliakmonas (Aiginiou) Wildlife Refugee 2,659 protected area contained by site 2,659
Delta Axiou (Chalastras) Wildlife Refugee 5,205 protected area contained by site 5,205
Delta Axiou - Loudia - Aliakmona - Evryteri Periochi - Axioupoli Site of Community Importance (Habitats Directive) 33,676 protected area overlaps with site 17,066
Delta Axiou - Loudia - Aliakmona - Alyki Kitrous Special Protection Area (Birds Directive) 24,384 protected area overlaps with site 14,110
Delta Aliakmona (Kleidiou) Wildlife Refugee 2,002 protected area contained by site 1,253
Axios, Loudias, Aliakmon Delta Ramsar Site, Wetland of International Importance 11,808 protected area overlaps with site 11,669


IUCN Habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest -
Wetlands (inland) Rivers and streams, Water fringe vegetation -
Artificial/Terrestrial Arable land -
Coastline Tidal rivers & enclosed tidal waters, Salt marshes, Lagoons -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
hunting -
nature conservation and research -
tourism/recreation -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Axios, Loudias and Aliakmonas rivers' deltas. Downloaded from on 21/01/2020.