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Location Slovakia, Košice
Central coordinates 22o 3.37' East  48o 41.21' North
IBA criteria C4, C6
Area 1,490 ha
Altitude 100 - 104m
Year of IBA assessment 2004

Slovak Ornithological Society / BirdLife Slovakia

Site description An open, low-lying area that comprises 27 fish-ponds of varying size, wet meadows, pasture and arable fields interspersed with water canals, bushes and solitary trees. The largest fish-pond contains three islets covered in dense Salix scrub and other ruderal vegetation.

Key Biodiversity An important site for breeding and passage waterbirds, holding 20,000 or more individuals on a regular basis. During autumn and early spring this is the most important roosting site in Slovakia for Circus cyaneus (150-200 individuals). Porzana parva, Recurvirostra avosetta, Limosa limosa, Chlidonias niger and Locustella luscinioides also breed. Breeding species of global conservation concern that do not meet IBA criteria: Aythya nyroca (2-4 pairs), Crex crex (5 pairs).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Eurasian Spoonbill Platalea leucorodia breeding  1995-2003  32 breeding pairs  C6  Least Concern 
Eurasian Bittern Botaurus stellaris breeding  1995-2003  5-11 breeding pairs  C6  Least Concern 
Black-crowned Night-heron Nycticorax nycticorax breeding  1995-2003  80-130 breeding pairs  C6  Least Concern 
Purple Heron Ardea purpurea breeding  1995-2003  24 breeding pairs  C6  Least Concern 
Great White Egret Ardea alba breeding  1995-2003  43-65 breeding pairs  C6  Least Concern 
Egretta garzetta breeding  1995-2003  10-20 breeding pairs  C6  Not Recognised 
Western Marsh-harrier Circus aeruginosus breeding  1995-2003  20-40 breeding pairs  C6  Least Concern 
Pied Avocet Recurvirostra avosetta breeding  1995-2003  11 breeding pairs  C6  Least Concern 
Ruff Calidris pugnax passage  1995-2003  30,000 individuals  C4  Least Concern 
Whiskered Tern Chlidonias hybrida breeding  1995-2003  200 breeding pairs  C6  Least Concern 
A4iii Species group - waterbirds passage  1995-2003  30,000 individuals  C4   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Senianske rybniky National Nature Reserve 213 protected area contained by site 213  
Senné-rybníky (Senné fishponds) Wetlands of International Importance (Ramsar) 425 protected area contained by site 425  


IUCN habitat Habitat detail Extent (% of site)
Shrubland Scrub  5%
Grassland Humid grasslands; Mesophile grasslands  50%
Wetlands (inland) Rivers and streams; Standing freshwater; Water fringe vegetation  40%
Artificial - terrestrial Arable land; Other urban and industrial areas; Ruderal land  5%

Land use

Land-use Extent (% of site)
agriculture 40%
fisheries/aquaculture 35%
nature conservation and research 15%
hunting 80%
tourism/recreation 35%

Protection status National Partial International PartialThe IBA partially or wholly overlaps with the following national designated areas. National Nature Reserve: Senné-rybníky. 425 ha of IBA covered by Ramsar Site (Senné-rybníky (Senné fish-ponds), 425 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Senné. Downloaded from on 26/10/2016

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