Heard & McDonald Islands

5 threatened species · Biodiversity Intelligence Dashboard

Threatened Species

5

CR + EN + VU

Critically Endangered

1

Highest risk

Endangered

1

Very high risk

Vulnerable

3

High risk

Declining

40%

2 species

Category Breakdown
CR 1
EN 1
VU 3
CR: 1
EN: 1
VU: 3
Species by Group
🐦

birds

1

1 threatened

🐟

fishes

2

2 threatened

Global Share

0.01%

of globally threatened species

Country Rank

#251

of 277 countries

Endemic Threatened

0

Found only here

Top Threats
1.Fishing & harvesting aquatic resources2 species
2.Climate change altering microhabitat conditions1 species
3.Climate change impacts on island ecosystems1 species
4.Habitat degradation from invasive plants1 species
5.Habitat loss from agricultural conversion1 species
6.Human disturbance at breeding sites1 species
7.Introduced predators (cats, rats, mice)1 species
8.Invasive non-native/alien species/diseases1 species

How to Cite

IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS

GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org

This page: SpeciesRadar (2025). Heard & McDonald Islands: Biodiversity Dashboard. SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/countries/HM

Species counts reflect IUCN Red List threatened categories (CR, EN, VU). · Full citation guide & data usage terms