Christmas Island

36 threatened species · Biodiversity Intelligence Dashboard

Threatened Species

36

CR + EN + VU

Critically Endangered

2

Highest risk

Endangered

15

Very high risk

Vulnerable

19

High risk

Declining

72%

26 species

Category Breakdown
EN 15
VU 19
CR: 2
EN: 15
VU: 19

Critically Endangered

26%

Extremely high risk of extinction in the wild.

Endangered

1542%

Very high risk of extinction in the wild.

Vulnerable

1953%

High risk of extinction in the wild.

Threatened total — 36 species

Species by Group
🐾

mammals

1

1 threatened

🐦

birds

8

8 threatened

🐢

reptiles

2

2 threatened

🐟

fishes

12

12 threatened

🦗

insects

1

1 threatened

🌱

plants

4

4 threatened

Global Share

0.07%

of globally threatened species

Country Rank

#229

of 277 countries

Endemic Threatened

3

Found only here

Top Threats
1.Habitat shifting & alteration18 species
2.Logging & wood harvesting17 species
3.Fishing & harvesting aquatic resources16 species
4.Invasive non-native/alien species/diseases16 species
5.Annual & perennial non-timber crops9 species
6.Recreational activities8 species
7.Mining & quarrying8 species
8.Hunting & trapping terrestrial animals7 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 (2026). Christmas Island: Biodiversity Dashboard. SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/countries/CX

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

Frequently asked questions

How many threatened species are in Christmas Island?
Christmas Island has 36 threatened species recorded in the SpeciesRadar database — 2 of those are Critically Endangered (CR), facing an extremely high risk of extinction. The figures combine IUCN Red List data with national red list assessments where available.
What is the most endangered species in Christmas Island?
Among the 2 Critically Endangered species in Christmas Island, Carcharhinus longimanus is one of the most at-risk — featured prominently on the country dashboard. The full list of CR species is filterable on the country page.
What protected areas exist in Christmas Island?
Protected area coverage for Christmas Island is summarised on the country dashboard, drawing on the World Database on Protected Areas (WDPA) and national park designations.