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The site was identified as internationally important for bird conservation in 2004 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Corncrake Crex crex	LC	breeding (2001)	80 males	C1
Spotted Crake Porzana porzana	LC	breeding (2001)	20 males	C6
Western Marsh-harrier Circus aeruginosus	LC	breeding (2001)	20 pairs	C6
Montagu's Harrier Circus pygargus	LC	breeding (2001)	6 pairs	C6
Red-backed Shrike Lanius collurio	LC	breeding (2001)	200 pairs	C6
Tawny Pipit Anthus campestris	LC	breeding (2001)	6 pairs	C6

Year	Protected Area	Designation (management category)	% coverage of IBA
1988	Aguonio geomorfologinis draustinis	Gamtinis draustinis (IV)	1
2009	Kalvarija Biosphere Polygon	Biosferos poligonas (VI)	72

Habitat	% of IBA	Habitat detail
Artificial/Terrestrial	72	Arable land; Other urban and industrial areas; Perennial crops, orchards and groves; Ruderal land
Grassland	19
Forest	6	Broadleaved deciduous woodland; Mixed woodland; Native coniferous woodland
Wetlands (inland)	2	Fens, transition mires and springs; Raised bogs; Rivers and streams; Standing freshwater

Land use	% of IBA
agriculture	71
rangeland/pastureland	19

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Agricultural land near the Kalvarija settlement (Lithuania). Downloaded from https://datazone.birdlife.org/site/factsheet/agricultural-land-near-the-kalvarija-settlement-iba-lithuania on 25/12/2024.