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The site was identified as important in 2007 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
Greater Rhea Rhea americana	NT	resident	-	present	A1
Brushland Tinamou Nothoprocta cinerascens	LC	resident	-	present	A3
Quebracho Crested Tinamou Eudromia formosa	LC	resident	-	present	A3
Chaco Chachalaca Ortalis canicollis	LC	resident	-	present	A3
Chaco Owl Strix chacoensis	NT	resident	-	present	A3
Crowned Solitary Eagle Buteogallus coronatus	EN	resident	1998-2007	present	A1
Cream-backed Woodpecker Campephilus leucopogon	LC	resident	-	present	A3
Black-bodied Woodpecker Hylatomus schulzii	NT	resident	-	present	A1, A3
Black-legged Seriema Chunga burmeisteri	LC	resident	-	present	A3
Crested Gallito Rhinocrypta lanceolata	LC	resident	-	present	A3
Great Rufous Woodcreeper Xiphocolaptes major	LC	resident	-	present	A3
Scimitar-billed Woodcreeper Drymornis bridgesii	LC	resident	-	present	A3
Chaco Earthcreeper Tarphonomus certhioides	LC	resident	-	present	A3
Crested Hornero Furnarius cristatus	LC	resident	-	present	A3
Cinereous Black-tyrant Knipolegus striaticeps	LC	resident	-	present	A3
Many-colored Chaco Finch Saltator multicolor	LC	resident	-	present	A3
Black-capped Warbling-finch Microspingus melanoleucus	LC	resident	-	present	A3

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2007) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2007. The most recent assessment (2011) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Shrubland	poor (40-69%)	moderate (70-90%)	very unfavourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Invasive and other problematic species and genes	happening now	whole area/population (>90%)	moderate to rapid deterioration	very high
Agricultural expansion and intensification	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Little/none of site covered (<10%)	Unknown	Unknown	negligible

Habitat1	Habitat detail	% of IBA
Forest	Tropical deciduous forest	79
Shrubland	Scrub	5
Savanna	Savanna	1

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	16

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Estancia Gran Siete (Paraguay). Downloaded from https://datazone.birdlife.org/site/factsheet/estancia-gran-siete-iba-paraguay on 22/11/2024.