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The site was identified as internationally important for bird conservation 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 List	Season (year/s of estimate)	Size	IBA criteria
Solitary Tinamou Tinamus solitarius	NT	resident (-)	present	A1, A3
Black-fronted Piping-guan Pipile jacutinga	EN	resident (1998–2007)	present	A1, A3
Spot-winged Wood-quail Odontophorus capueira	LC	resident (-)	present	A3
Scale-throated Hermit Phaethornis eurynome	LC	resident (-)	present	A3
Violet-capped Woodnymph Thalurania glaucopis	LC	resident (-)	present	A3
Black-capped Screech-owl Megascops atricapilla	LC	resident (-)	present	A3
Southern Surucua Trogon Trogon surrucura	LC	resident (-)	present	A3
Rufous-capped Motmot Baryphthengus ruficapillus	LC	resident (-)	present	A3
Buff-bellied Puffbird Notharchus swainsoni	LC	resident (-)	present	A3
Red-breasted Toucan Ramphastos dicolorus	LC	resident (-)	present	A3
Spot-billed Toucanet Selenidera maculirostris	LC	resident (-)	present	A3
Ochre-collared Piculet Picumnus temminckii	LC	resident (-)	present	A3
Yellow-fronted Woodpecker Melanerpes flavifrons	LC	resident (-)	present	A3
Pileated Parrot Pionopsitta pileata	LC	resident (-)	present	A3
Blue-winged Macaw Primolius maracana	NT	resident (-)	present	A1
Spot-backed Antshrike Hypoedaleus guttatus	LC	resident (-)	present	A3
Tufted Antshrike Mackenziaena severa	LC	resident (-)	present	A3
White-shouldered Fire-eye Pyriglena leucoptera	LC	resident (-)	present	A3
Rufous Gnateater Conopophaga lineata	LC	resident (-)	present	A3
Rufous-breasted Leaftosser Sclerurus scansor	LC	resident (-)	present	A3
White-eyed Foliage-gleaner Automolus leucophthalmus	LC	resident (-)	present	A3
Bare-throated Bellbird Procnias nudicollis	NT	resident (1998–2007)	common	A1, A3
Greenish Schiffornis Schiffornis virescens	LC	resident (-)	present	A3
Eared Pygmy-tyrant Myiornis auricularis	LC	resident (-)	present	A3
Ruby-crowned Tanager Tachyphonus coronatus	LC	resident (-)	present	A3

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.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Biological resource use	happe­ning now	most of popul­ation/area (50–90%)	rapid decline (>30% over 3 gener­ations)	very high

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Not assessed	Not assessed	Not assessed	not assessed

Habitat	% of IBA	Habitat detail
Forest	74	Tropical semi-deciduous forest; Tropical semi-evergreen forest; Montane broadleaf evergreen forest

Land use	% of IBA
agriculture	26
other	major (>10)

Colonia indígena de la etnia Paî tavytera.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Cerro Guazú (Paraguay). Downloaded from https://datazone.birdlife.org/site/factsheet/cerro-guazú-iba-paraguay on 22/12/2024.