• Summary
• Text account
• Data table and detailed info
• Map
• Reference and further resources

The site was identified as important in 2002 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 List1	Season	Year(s)	Size	IBA criteria
Black-crowned Night Heron Nycticorax nycticorax	LC	breeding	1999-2000	740-1,565 breeding pairs	A4i, B1i, B2, C2, C6
Little Egret Egretta garzetta	LC	breeding	1999-2000	1,827-2,533 breeding pairs	A4i, B1i, C2, C6

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2002) may differ.

Year	Protected Area	Designation	% overlap with IBA
1978	Parco naturale delle Lame del Sesia	Parco naturale regionale/provinciale	73
1978	Riserva naturale speciale dell' Isolone di Oldenico	Riserva naturale regionale/provinciale	5
1978	Lame del Sesia	Regional Nature Park	100
1978	Riserva naturale speciale della Garzaia di Villarboit	Riserva naturale regionale/provinciale	1
1990	Riserva naturale speciale della Garzaia di Carisio	Riserva naturale regionale/provinciale	8
1990	Garzaia di Carisio	Regional Nature Reserve	8
1995	Lame del Sesia e Isolone di Oldenico	Site of Community Importance (Habitats Directive)	79
1995	Garzaia di Carisio	Site of Community Importance (Habitats Directive)	8
1995	Garzaia del Rio Druma	Site of Community Importance (Habitats Directive)	2
2000	Lame del Sesia e Isolone di Oldenico	Special Protection Area (Birds Directive)	82
2000	Garzaia di Carisio	Special Protection Area (Birds Directive)	8
2000	Lama del Badiotto e Garzaia della Brarola	Special Protection Area (Birds Directive)	6
2000	Garzaia del Rio Druma	Special Protection Area (Birds Directive)	2

Habitat1	Habitat detail	% of IBA
Forest	Broadleaved deciduous woodland, Alluvial and very wet forest	70
Artificial/Terrestrial	Arable land	15
Wetlands (inland)	Standing freshwater, Rivers and streams, Water fringe vegetation	10
Shrubland	Scrub	5

1. IUCN Habitat classification.

Land use	% of IBA
nature conservation and research	100
agriculture	15
tourism/recreation	10

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: River Sesia heronries (Italy). Downloaded from https://datazone.birdlife.org/site/factsheet/river-sesia-heronries-iba-italy on 23/11/2024.