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Year of most recent IBA criteria assessment: 2009

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
White-quilled Rock-pigeon Petrophassa albipennis	LC	resident	1998-2008	frequent	A2, A3
Partridge Pigeon Geophaps smithii	VU	resident	2008	uncommon	A1, A2, A3
Bush Thick-knee Burhinus grallarius	LC	resident	1998-2008	uncommon	A1
Chestnut-backed Buttonquail Turnix castanotus	LC	resident	2008	uncommon	A1, A2, A3
Northern Rosella Platycercus venustus	LC	resident	1998-2008	uncommon	A3
Varied Lorikeet Psitteuteles versicolor	LC	resident	1998-2008	uncommon	A3
Purple-crowned Fairy-wren Malurus coronatus	LC	resident	1998-2008	uncommon	A3
Banded Honeyeater Cissomela pectoralis	LC	resident	1998-2008	uncommon	A3
Silver-crowned Friarbird Philemon argenticeps	LC	resident	1998-2008	common	A3
Bar-breasted Honeyeater Ramsayornis fasciatus	LC	resident	1998-2008	uncommon	A3
White-gaped Honeyeater Stomiopera unicolor	LC	resident	1998-2008	common	A3
Yellow-tinted Honeyeater Ptilotula flavescens	LC	resident	1998-2008	common	A3
Sandstone Shrike-thrush Colluricincla woodwardi	LC	resident	1998-2008	uncommon	A3
Buff-sided Robin Poecilodryas cerviniventris	LC	resident	1998-2008	uncommon	A3
Yellow-rumped Mannikin Lonchura flaviprymna	LC	resident	1998-2008	uncommon	A2, A3
Star Finch Neochmia ruficauda	LC	unknown	1998-2008	uncommon	A1
Masked Finch Poephila personata	LC	resident	1998-2008	frequent	A3
Long-tailed Finch Poephila acuticauda	LC	resident	1998-2008	frequent	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

Threats to the site (pressure)
Threat Level 1	Threat Level 2	Timing	Scope	Severity	Result
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 - trend unknown/unrecorded	happening now	majority/most of area/population (50-90%)	slow but significant deterioration	high

Conservation actions taken at site (response)
Conservation Designation	Management Planning	Conservation Action	Result
Not assessed	Not assessed	Not assessed	not assessed

For more information about IBA monitoring please click here

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Wardaman	Indigenous Protected Area	224,697	protected area is adjacent to site	0
Judbarra / Gregory	National Park	1,300,574	protected area is adjacent to site	1,271,600
Gregory's Tree	Historical Reserve	2	protected area overlaps with site	0

IUCN Habitat	Habitat detail	Extent (% of site)
Forest	Eucalypt woodlands	-
Savanna	Eucalypt open woodlands	-

For further information about the habitat classification please click here.

Land-use	Extent (% of site)
nature conservation and research	-

For further information about the land use classification please click here.

Northern Territory Government with park administered by Parks NT.

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Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Gregory National Park. Downloaded from http://www.birdlife.org on 29/05/2022.