Hortobágy and Tisza-to

IBA Criteria

Year of most recent IBA criteria assessment: 2002

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Greylag Goose Anser anser LC passage 2001 2,500 individuals C3
Bean Goose Anser fabalis LC passage 2001 5,000-6,000 individuals C3
Greater White-fronted Goose Anser albifrons LC passage 2001 10,000-20,000 individuals C3
Lesser White-fronted Goose Anser erythropus VU passage 2001 40-110 individuals C1
Smew Mergellus albellus LC winter 2001 250-600 individuals C2
Ferruginous Duck Aythya nyroca NT breeding 2001 70-140 breeding pairs C1, C6
Northern Shoveler Spatula clypeata LC passage 2001 5,000 individuals C3
Common Teal Anas crecca LC passage 2001 30,000 individuals C3
Spotted Crake Porzana porzana LC breeding 2001 80-190 breeding pairs C2
Common Crane Grus grus LC passage 2001 45,000-65,000 individuals C2
Great Bustard Otis tarda VU breeding 2001 80-90 individuals C1, C6
Eurasian Spoonbill Platalea leucorodia LC breeding 2001 260-420 breeding pairs C2, C6
Glossy Ibis Plegadis falcinellus LC breeding 2001 10-15 breeding pairs C6
Eurasian Bittern Botaurus stellaris LC breeding 2001 220-310 breeding pairs C2, C6
Common Little Bittern Ixobrychus minutus LC breeding 2001 190-250 breeding pairs C2, C6
Black-crowned Night-heron Nycticorax nycticorax LC breeding 2001 430-800 breeding pairs C2
Squacco Heron Ardeola ralloides LC breeding 2001 45-75 breeding pairs C2, C6
Purple Heron Ardea purpurea LC breeding 2001 100-270 breeding pairs C2, C6
Great White Egret Ardea alba LC breeding 2001 700-900 breeding pairs C2, C6
Little Egret Egretta garzetta LC breeding 2001 70-175 breeding pairs C6
Pygmy Cormorant Microcarbo pygmaeus LC breeding 2001 80-150 breeding pairs C1, C6
Pygmy Cormorant Microcarbo pygmaeus LC passage 2001 850 individuals C1
Pied Avocet Recurvirostra avosetta LC breeding 2001 15-60 breeding pairs C6
Slender-billed Curlew Numenius tenuirostris CR passage 2001 1 individuals C1
Black-tailed Godwit Limosa limosa NT passage 2001 10,000-30,000 individuals C3
Ruff Calidris pugnax LC passage 2001 120,000-200,000 individuals C2
Black Tern Chlidonias niger LC breeding 2001 60-300 breeding pairs C2, C6
Common Tern Sterna hirundo LC breeding 2001 45-130 breeding pairs C6
Western Marsh-harrier Circus aeruginosus LC breeding 2001 330-420 breeding pairs C6
Montagu's Harrier Circus pygargus LC breeding 2001 15-30 breeding pairs C6
White-tailed Sea-eagle Haliaeetus albicilla LC winter 2001 50-80 individuals C1
Red-footed Falcon Falco vespertinus VU breeding 2001 200-350 breeding pairs C2, C6
Saker Falcon Falco cherrug EN breeding 2001 4-8 breeding pairs C6
Lesser Grey Shrike Lanius minor LC breeding 2001 220-300 breeding pairs C6
Aquatic Warbler Acrocephalus paludicola VU breeding 2001 600-850 breeding pairs C1, C6
Moustached Warbler Acrocephalus melanopogon LC breeding 2001 80-150 breeding pairs C6
Bluethroat Luscinia svecica LC breeding 2001 120-200 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)
Zádor hid környéke Természetvédelmi Terület 80 protected area is adjacent to site 0
Tisza-tó Site of Community Importance (Habitats Directive) 17,830 protected area overlaps with site 7,518
Hortobágyi Nemzeti Park 80,957 protected area contained by site 62,358
Hortobágy National Park UNESCO-MAB Biosphere Reserve 52,000 protected area contained by site 52,000
Hortobágy Ramsar Site, Wetland of International Importance 32,037 protected area contained by site 16,109
Hortobágy Site of Community Importance (Habitats Directive) 105,170 protected area overlaps with site 52,679
Hortobágy Special Protection Area (Birds Directive) 121,110 protected area overlaps with site 63,678
Hevesi-sík Special Protection Area (Birds Directive) 77,016 protected area is adjacent to site 0
Borsodi-sík Special Protection Area (Birds Directive) 36,240 protected area is adjacent to site 0


IUCN Habitat Habitat detail Extent (% of site)
Grassland Steppes and dry calcareous grassland, Mesophile grasslands -
Wetlands (inland) Standing freshwater, Water fringe vegetation -
Artificial/Terrestrial Arable land, Forestry plantations, Ruderal land -
For further information about the habitat classification please click here.

Land use

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

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Hortobágy and Tisza-to. Downloaded from on 05/02/2023.