Bosque Mbaracayú

IBA Criteria

Year of most recent IBA criteria assessment: 2007

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
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
Violet-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 Hylopezus 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 NT 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 VU 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 NT 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
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

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2011 very high not assessed high
Was the whole site covered? No State assessed by unset
Accuracy of information -

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Agricultural expansion and intensification annual & perennial non-timber crops - small-holder farming happening now some of area/population (10-49%) moderate to rapid deterioration high
Biological resource use hunting & collecting terrestrial animals - unintentional effects (species is not the target) happening now whole area/population (>90%) very rapid to severe deterioration very high
Invasive and other problematic species and genes invasive non-native/alien species/diseases - unspecified species happening now some of area/population (10-49%) slow but significant deterioration medium
Natural system modifications fire & fire suppression - increase in fire frequency/intensity happening now some of area/population (10-49%) slow but significant deterioration medium

Condition of habitat (state)
Habitat Habitat Detail Reference Area (ha) Actual Area (ha) % of habitat remaining % of carrying capacity (overall) Result
Forest 0 0 good (> 90%) good (> 90%) favourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation 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
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Refugio Biológico Mbaracayú Reserva de las Entidades Binacionales - Autarquico 1,356 protected area contained by site 1,356
Mbaracayú UNESCO-MAB Biosphere Reserve 291,400 protected area contains site 64,634
Bosque Mbaracayú Reserva Natural - Privado 57,715 protected area contains site 61,979

Local conservation groups

The local conservation groups below are working to support conservation at this IBA.

Name Year formed
Kue Tuwy 2005
For more information on BirdLife's work with Local conservation groups please click here.


IUCN Habitat Habitat detail Extent (% of site)
Savanna Cerrado -
Forest Tropical deciduous forest, Tropical semi-evergreen forest -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
For further information about the land use classification please click here.

Land ownership
Administrada por la Fundación Moises Bertoni

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Bosque Mbaracayú. Downloaded from on 29/03/2023.