Oceania

Biodiversity Intelligence Dashboard

Threatened

35

CR + EN + VU

Critically Endangered

35

CR

Endemic Threatened

0

Found only here

Declining

0%

0 species

Category Breakdown

Distribution of 35 threatened species

CR 35
CR: 35
EN: 0
VU: 0
Taxonomic Breakdown

Threatened % by group

mammals1/1 (100%)
birds31/31 (100%)
insects18/18 (100%)
other invertebrates9/9 (100%)
plants59/59 (100%)
arachnids1/1 (100%)

CONSERVATION LEADERS

Key Conservation Organisations

Australian Wildlife Conservancy

Independent non-profit

Private wildlife conservation across Australia

Manages over 6.5 million hectares of land for wildlife conservation and has established the largest network of wildlife sanctuaries in Australia.

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Bush Heritage Australia

Independent non-profit

Land acquisition and management for conservation

Protects over 1.1 million hectares of critical habitat across Australia through purchase and partnership agreements.

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Conservation Volunteers Australia

Independent non-profit

Community-based conservation projects

Engages over 130,000 volunteers annually in hands-on conservation activities including habitat restoration and wildlife monitoring.

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Forest & Bird New Zealand

Independent conservation organization

Native species and habitat protection in New Zealand

New Zealand's largest independent conservation organization, protecting native wildlife and wild places for over 100 years.

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Threatened Species Commissioner

Australian Government Department

Government body overseeing threatened species recovery

Coordinates national efforts to recover Australia's threatened species and provides independent advice on conservation priorities.

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Notable Conservationists

Don Merton

New Zealand Department of Conservation

Endangered species recovery specialist

Led successful recovery programs for critically endangered New Zealand species including the Chatham Island black robin and kakapo.

Georgina Mace

University College London (formerly)

Conservation biology and biodiversity assessment

Led development of IUCN Red List criteria and made fundamental contributions to conservation biology theory and practice in Oceania and globally.

Hugh Possingham

University of Queensland and The Nature Conservancy

Conservation biology and systematic conservation planning

Pioneer in systematic conservation planning and former Chief Scientist at The Nature Conservancy, instrumental in developing conservation prioritization methods.

Sarah Legge

Australian National University

Threatened species ecology and conservation

Leading researcher on Australian threatened species recovery, particularly focusing on the impacts of feral cats and fire management on native wildlife.

Tim Flannery

Australian Museum and Climate Council

Mammalogist and conservation advocate

Discovered over 30 mammal species and has been a leading voice in Australian biodiversity conservation and climate change advocacy.

Source: Public records, institutional websites, published research

All Species in Oceania (119)
SpeciesStatusGroupTrend
Na Pali rockwortNototrichium divaricatumCRplants?
Hawaiian red-flower geraniumGeranium arboreumCRplants?
nohoanuGeranium kauaienseCRplants?
Mt. Kahili phyllostegiaPhyllostegia helleriCRplants?
Kauai phyllostegiaPhyllostegia waimeaeCRplants?
Waianae Range tetramolopiumTetramolopium lepidotumCRplants?
bog dubautiaDubautia imbricataCRplants?
native yellow hibiscusHibiscus brackenridgeiCRplants?
hau kuahiwiHibiscadelphus hualalaiensisCRplants?
hau kuahiwiHibiscadelphus giffardianusCRplants?
AlaniMelicope nealaeCRplants?
Delissea takeuchiiCRplants?
Rock PeleaMelicope ballouiCRplants?
Lanai phyllostegiaPhyllostegia haliakalaeCRplants?
Kadua degeneriCRplants?
cutleaf island spleenwortAsplenium diellaciniatumCRplants?
Fatu Hiva monarchPomarea whitneyiCRbirds?
Fijian Crested IguanaBrachylophus vitiensisCRother invertebrates?
Iphis monarchPomarea iphisCRbirds?
AkekeeLoxops caeruleirostrisCRbirds?
Tooth-billed PigeonDidunculus strigirostrisCRbirds?
Schiedea perlmaniiCRplants?
Tuvalu Forest GeckoLepidodactylus tepukapiliCRother invertebrates?
Eua Scaly-toed GeckoLepidodactylus euaensisCRother invertebrates?
Mortlock Islands Scaly-toed GeckoLepidodactylus oligoporusCRother invertebrates?
Tahiti monarchPomarea nigraCRbirds?
Rotuma Forest GeckoLepidodactylus gardineriCRother invertebrates?
Nihoa Reed-warblerAcrocephalus familiarisCRbirds?
Crested HoneycreeperPalmeria doleiCRbirds?
lo'uluPritchardia hardyiCRplants?
lo'uluPritchardia napaliensisCRplants?
poleline pritchardiaPritchardia waialealeanaCRplants?
Wai'oli Valley pritchardiaPritchardia perlmaniiCRplants?
lo'uluPritchardia kaalaeCRplants?
stickybud pritchardiaPritchardia viscosaCRplants?
Wood's PritchardiaPritchardia woodiiCRplants?
lo'uluPritchardia munroiCRplants?
lo'uluPritchardia schattaueriCRplants?
Wahiawa stream violetViola helenaeCRplants?
Sadleria wagnerianaCRplants?
kanaloaKanaloa kahoolawensisCRplants?
wetforest cyaneaCyanea hamatifloraCRplants?
Devils Slide schiedeaSchiedea verticillataCRplants?
cliffface catchflySilene perlmaniiCRplants?
ma`oli`oliSchiedea implexaCRplants?
Punaluu CyaneaCyanea truncataCRplants?
ha`iwaleCyrtandra crenataCRplants?
Hobdy's naupakaScaevola hobdyiCRplants?
Mapulehu Valley cyaneaCyanea profugaCRplants?
pele clermontiaClermontia peleanaCRplants?
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Biodiversity Brief — Oceania

Outlook: Deteriorating

Oceania's biodiversity faces an unprecedented crisis, with all 35 assessed species classified as critically endangered according to the IUCN Red List 2025. This alarming statistic encompasses the region's endemic bird species across Pacific islands, specialized insects adapted to isolated ecosystems, and unique invertebrates found nowhere else on Earth. The Pacific islands' fragmented geography has created exceptional endemism, with many species confined to single atolls or island groups. Climate change poses the most immediate threat, as rising sea levels threaten low-lying atolls and coral ecosystems that support marine food webs. Ocean acidification is degrading coral reefs throughout Melanesia, Micronesia, and Polynesia, while changing precipitation patterns affect freshwater availability on volcanic islands. Invasive species introductions continue to devastate native fauna, particularly ground-nesting seabirds and flightless insects with no evolutionary defenses against introduced predators. Coastal development for tourism and infrastructure compounds habitat loss on already limited land areas. The region's small island developing states face significant capacity constraints in implementing comprehensive conservation programs. Traditional ecological knowledge from indigenous Pacific communities offers valuable insights for species recovery, though integration with modern conservation science remains limited. Without immediate intervention, Oceania risks losing its entire assessed fauna within decades.

Key Biomes & Ecosystems

Coral Reefs
Tropical Islands
Coastal Wetlands
Montane Forests
Lagoons
Atolls

Conservation Achievements

Several Pacific nations have established large marine protected areas, with Palau creating one of the world's first national marine sanctuaries covering 80% of its territorial waters. New Zealand's predator-free island restoration programs have demonstrated successful techniques for invasive species eradication that are being adapted across smaller Pacific islands. The Pacific Regional Environment Programme coordinates transboundary conservation efforts, while traditional taboo systems in Fiji, Vanuatu, and other nations provide community-based protection for critical habitats. Australia's Christmas Island recovery programs have prevented several endemic species extinctions through captive breeding and habitat restoration.

Source: IUCN Red List 2025-2, GBIF, national survey data