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The site was identified as important in 2009 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
White-quilled Rock-pigeon Petrophassa albipennis	LC	resident	2008	common	A2, A3
Partridge Pigeon Geophaps smithii	LC	resident	1978-2008	uncommon	A1, A2, A3
Chestnut Rail Eulabeornis castaneoventris	LC	resident	1978-2008	frequent	A2
Bush Thick-knee Burhinus grallarius	LC	resident	1998-2008	uncommon	A1
Chestnut-backed Buttonquail Turnix castanotus	LC	resident	1978-2008	frequent	A1, A2, A3
Northern Rosella Platycercus venustus	LC	resident	1978-2008	common	A3
Varied Lorikeet Psitteuteles versicolor	LC	resident	1978-2008	common	A3
Rainbow Pitta Pitta iris	LC	resident	1988-2008	frequent	A2, A3
Black Grasswren Amytornis housei	LC	resident	1978-2008	frequent	A2, A3
Banded Honeyeater Cissomela pectoralis	LC	resident	1978-2008	frequent	A3
Silver-crowned Friarbird Philemon argenticeps	LC	resident	1978-2008	abundant	A3
Bar-breasted Honeyeater Ramsayornis fasciatus	LC	resident	1978-2008	common	A3
Kimberley Honeyeater Microptilotis fordianus	LC	resident	1978-2008	frequent	A2, A3
White-gaped Honeyeater Stomiopera unicolor	LC	resident	1978-2008	common	A3
Yellow-tinted Honeyeater Ptilotula flavescens	LC	resident	1978-2008	frequent	A3
Sandstone Shrike-thrush Colluricincla woodwardi	LC	resident	1978-2008	frequent	A3
Buff-sided Robin Poecilodryas cerviniventris	LC	resident	1978-2008	frequent	A3
Australian Yellow White-eye Zosterops luteus	LC	resident	1978-2008	rare	A3
Masked Finch Poephila personata	LC	resident	1978-2008	rare	A3
Long-tailed Finch Poephila acuticauda	LC	resident	1978-2008	uncommon	A3

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2009. The most recent assessment (2008) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Invasive and other problematic species and genes	happening now	majority/most of area/population (50-90%)	slow but significant deterioration	high
Natural system modifications	happening now	majority/most of area/population (50-90%)	slow but significant deterioration	high
Energy production and mining	likely in long term (beyond 4 years)	small area/few individuals (<10%)	very rapid to severe deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Not assessed	Not assessed	Not assessed	not assessed

Year	Protected Area	Designation	% overlap with IBA
1964	Prince Regent	National Park	87
2000	Mitchell River	National Park	16
2000	Lawley River	National Park	2
2000	Laterite	Conservation Park	2
2000	Camp Creek	Conservation Park	<1

Habitat1	Habitat detail	% of IBA
Rocky areas (eg. inland cliffs, mountain peaks)	Scree & boulders	major (>10)
Savanna	Tropical eucalypt woodlands & grasslands	major (>10)
Forest	Rainforest & vine thickets, Mangroves	minor (<10)
Marine Intertidal		minor (<10)

1. IUCN Habitat classification.

Land use	% of IBA
nature conservation and research	100

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Prince Regent and Mitchell River (Australia). Downloaded from https://datazone.birdlife.org/site/factsheet/prince-regent-and-mitchell-river-iba-australia on 23/11/2024.