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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
Solitary Tinamou Tinamus solitarius	NT	resident	-	present	A1, A3
Black-fronted Piping-guan Pipile jacutinga	EN	resident	1994-1996	1-37 individuals	A1, A3
Spot-winged Wood-quail Odontophorus capueira	LC	resident	-	present	A3
White-winged Nightjar Eleothreptus candicans	VU	resident	1996-2001	40-130	A1, A3
Scale-throated Hermit Phaethornis eurynome	LC	resident	-	present	A3
Purple-crowned Plovercrest Stephanoxis loddigesii	LC	resident	-	present	A3
Violet-capped Woodnymph Thalurania glaucopis	LC	resident	-	present	A3
Rufous-faced Crake Laterallus xenopterus	VU	resident	1995-1999	frequent	A1
Slaty-breasted Wood-rail Aramides saracura	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
Saffron Toucanet Pteroglossus bailloni	NT	resident	-	present	A1, A3
Ochre-collared Piculet Picumnus temminckii	LC	resident	-	present	A3
Robust Woodpecker Campephilus robustus	LC	resident	-	present	A3
Yellow-browed Woodpecker Piculus aurulentus	NT	resident	-	present	A1, A3
Helmeted Woodpecker Celeus galeatus	VU	resident	1995-2005	present	A1, A3
Yellow-fronted Woodpecker Melanerpes flavifrons	LC	resident	-	present	A3
White-spotted Woodpecker Veniliornis spilogaster	LC	resident	-	present	A3
Pileated Parrot Pionopsitta pileata	LC	resident	-	present	A3
Vinaceous-breasted Amazon Amazona vinacea	EN	resident	1990-1995	rare	A1, A3
Streak-capped Antwren Terenura maculata	LC	resident	-	present	A3
Spot-backed Antshrike Hypoedaleus guttatus	LC	resident	-	present	A3
Tufted Antshrike Mackenziaena severa	LC	resident	-	present	A3
Dusky-tailed Antbird Drymophila malura	LC	resident	-	present	A3
White-shouldered Fire-eye Pyriglena leucoptera	LC	resident	-	present	A3
Rufous Gnateater Conopophaga lineata	LC	resident	-	present	A3
Collared Crescentchest Melanopareia torquata	LC	resident	-	present	A3
Speckle-breasted Antpitta Cryptopezus nattereri	LC	resident	-	present	A3
Rufous-breasted Leaftosser Sclerurus scansor	LC	resident	-	present	A3
Lesser Woodcreeper Xiphorhynchus fuscus	LC	resident	-	present	A3
Sharp-billed Treehunter Heliobletus contaminatus	LC	resident	-	present	A3
Black-capped Foliage-gleaner Philydor atricapillus	LC	resident	-	present	A3
Ochre-breasted Foliage-gleaner Anabacerthia lichtensteini	LC	resident	-	present	A3
White-eyed Foliage-gleaner Automolus leucophthalmus	LC	resident	-	present	A3
Rufous-capped Spinetail Synallaxis ruficapilla	LC	resident	-	present	A3
Helmeted Manakin Antilophia galeata	LC	resident	2007	present	A3
Blue Manakin Chiroxiphia caudata	LC	resident	-	present	A3
Bare-throated Bellbird Procnias nudicollis	NT	resident	1987-2006	common	A1, A3
Greenish Schiffornis Schiffornis virescens	LC	resident	-	present	A3
Russet-winged Spadebill Platyrinchus leucoryphus	VU	resident	1992-1995	rare	A1, A3
Sao Paulo Tyrannulet Phylloscartes paulista	NT	resident	-	present	A1, A3
Bay-ringed Tyrannulet Phylloscartes sylviolus	LC	resident	-	present	A1, A3
Southern Bristle-tyrant Pogonotriccus eximius	NT	resident	-	present	A1, A3
Grey-hooded Flycatcher Mionectes rufiventris	LC	resident	-	present	A3
Eared Pygmy-tyrant Myiornis auricularis	LC	resident	-	present	A3
Drab-breasted Bamboo-tyrant Hemitriccus diops	LC	resident	-	present	A3
Greenish Tyrannulet Phyllomyias virescens	LC	resident	-	present	A3
Sharp-tailed Tyrant Culicivora caudacuta	LC	resident	1995-2004	frequent	A1
Shear-tailed Grey Tyrant Muscipipra vetula	LC	resident	-	present	A3
Rufous-crowned Greenlet Hylophilus poicilotis	LC	resident	-	present	A3
Curl-crested Jay Cyanocorax cristatellus	LC	resident	-	present	A3
Creamy-bellied Gnatcatcher Polioptila lactea	LC	resident	-	present	A1, A3
Chestnut-bellied Euphonia Euphonia pectoralis	LC	resident	-	present	A3
Blue Seedeater Amaurospiza moesta	LC	resident	-	present	A1, A3
White-banded Tanager Neothraupis fasciata	NT	resident	-	present	A1, A3
Green-headed Tanager Tangara seledon	LC	resident	-	present	A3
Black-masked Finch Coryphaspiza melanotis	VU	resident	1995-2000	rare	A1
Black-throated Saltator Saltator atricollis	LC	resident	-	present	A3
Ruby-crowned Tanager Tachyphonus coronatus	LC	resident	-	present	A3
Temminck's Seedeater Sporophila falcirostris	VU	resident	1995-1996	rare	A1, A2, A3
Chestnut Seedeater Sporophila cinnamomea	VU	passage	1994-2000	rare	A1
Marsh Seedeater Sporophila palustris	EN	passage	1994-1997	< 50 females	A1
Chestnut-headed Tanager Thlypopsis pyrrhocoma	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
Forest	good (> 90%)	good (> 90%)	favourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Biological resource use	happening now	whole area/population (>90%)	very rapid to severe deterioration	very high
Agricultural expansion and intensification	happening now	some of area/population (10-49%)	moderate to rapid deterioration	high
Natural system modifications	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Invasive and other problematic species and genes	happening now	some of area/population (10-49%)	slow but significant deterioration	medium

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Whole area of site (>90%) covered by appropriate conservation designation	A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	The conservation measures needed for the site are being comprehensively and effectively implemented	high

Year	Protected Area	Designation	% overlap with IBA
1984	Refugio Biológico Mbaracayú	Reserva de las Entidades Binacionales - Autarquico	2
1991	Bosque Mbaracayú	Reserva Natural - Privado	100
2001	Mbaracayú	UNESCO-MAB Biosphere Reserve	100

The Local Conservation Group(s) listed below are working to conserve this IBA.

Name	Year formed
Kue Tuwy	2005

For more information on BirdLife's work with Local Conservation Groups, please click here.

Habitat1	Habitat detail	% of IBA
Forest	Tropical deciduous forest, Tropical semi-evergreen forest	98
Savanna	Cerrado	1

1. IUCN Habitat classification.

Land use	% of IBA
agriculture	1

Administrada por la Fundación Moises Bertoni

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Bosque Mbaracayú (Paraguay). Downloaded from https://datazone.birdlife.org/site/factsheet/bosque-mbaracayú-iba-paraguay on 22/11/2024.