Philippines: 1,890 Species at Risk

An archipelago carrying an outsized share of the world's risk

Scatter more than 7,000 islands across a typhoon corridor between the South China Sea and the Pacific, add volcanic soils, isolated mountain ranges, and one of the richest coral reef systems on Earth, and you get a nation that punches far above its size in biodiversity — and in biodiversity loss. According to SpeciesRadar's database, the Philippines is home to 1,890 threatened species, split across three IUCN Red List risk tiers: 465 Critically Endangered, 793 Endangered, and 632 Vulnerable.

But the headline number only tells part of the story. What's genuinely revealing — and what no other public dashboard breaks down this way — is which taxonomic groups are absorbing that threat burden.

Key Finding: Of Philippines's 1,890 threatened species, 388 are Flowering plants — the most threatened taxonomic group in the country.

That single figure — 388 flowering plants at elevated extinction risk — reframes what "biodiversity loss" looks like in the Philippines. It isn't primarily a story about tigers or elephants, because the country has neither. It's a story about orchids, forest trees, and understory shrubs disappearing quietly from islands that, once cleared, rarely get their original vegetation back.

Why flowering plants dominate the threat list

The Philippines sits within the Coral Triangle on its marine side and the Wallacea-adjacent biodiversity hotspot on land — a status recognized because so much of its flora and fauna occurs nowhere else. Islands that separated from each other and from mainland Asia millions of years ago allowed plant lineages to evolve in isolation, producing extraordinary local endemism. The tradeoff is fragility: a flowering plant confined to a single mountain range or limestone outcrop has nowhere to retreat to when that habitat is logged, mined, or converted to agriculture.

• Lowland and mid-elevation forests — the habitat richest in plant endemism — are also the most accessible for logging and land conversion.
• Limestone karst and ultramafic soils host specialist plant communities that are highly localized and easily wiped out by a single quarry or road.
• Monocots such as native palms and forest grasses (86 threatened species) face similar habitat-conversion pressure, often overlapping with the same forest fragments as flowering plants.
• Insects (142 threatened species) depend on these same plant communities, meaning plant loss cascades directly into invertebrate decline.

Insects: the overlooked 142

Insects rank second on the Philippines' threat list, and that is almost certainly an undercount relative to their real numbers in the wild — invertebrates are chronically under-assessed worldwide simply because there are far more of them to evaluate. Species like the Yellow-banded Bumblebee (Vulnerable) illustrate the pattern seen across many pollinator populations: habitat fragmentation and pesticide exposure erode range and abundance well before formal assessments catch up. Where forest and flowering-plant habitat is intact, insect communities tend to hold; where it isn't, both collapse together.

The marine dimension: sharks, rays, and reef fish

The ocean side of the Philippines' threat profile is just as significant. Chondrichthyes — sharks and rays — account for 84 threatened species, and bony fish add another 73. Together, marine vertebrates make up a substantial share of the country's Red List burden, reflecting decades of intensive fishing pressure across some of the most biodiverse reef systems on the planet.

Species like the Tri-spine Horseshoe Crab (Endangered) depend on the same shallow coastal and estuarine habitats that support juvenile sharks, rays, and reef fish nurseries — habitats squeezed between coastal development, pollution runoff, and overharvesting. Horseshoe crabs are also collected for their blood and as bait, adding direct extraction pressure on top of habitat decline.

A country built from islands has no biological backup plan — when a single-island endemic disappears, there is no neighboring population waiting to recolonize.

Mammals: fewer species, concentrated risk

At 41 threatened species, mammals appear least represented in raw numbers — but this reflects the Philippines' relatively modest native mammal diversity compared to continental Asia, not low risk. The mammals present, including several endemic fruit bats and small mammals confined to single islands, tend to be highly localized, meaning even modest habitat loss can push a population toward collapse quickly.

What conservation responses can still do

The taxonomic pattern in the Philippines' data points toward clear priorities:

• Protecting remaining lowland and karst forest fragments, which disproportionately shelter endemic flowering plants and monocots
• Extending marine protected area networks to cover shark, ray, and reef fish nursery habitat
• Funding invertebrate and plant assessments so at-risk species are identified before populations crash
• Managing coastal development to safeguard estuarine specialists like horseshoe crabs alongside juvenile fish

None of this requires reinventing conservation — it requires directing existing tools (protected areas, fishing regulations, habitat restoration) toward the taxonomic groups the data shows are actually under the most pressure, rather than only the charismatic species that attract funding.

For a full breakdown of species-level data, visit the Philippines country dashboard, which tracks Red List status across all assessed taxa in the country.

Related on SpeciesRadar: Tri-spine Horseshoe Crab (EN), Tenerife Sand Grasshopper (EN), Scarce Crimson & Gold (EN).

Frequently Asked Questions

Why does the Philippines have so many threatened flowering plants?

High rates of island and mountain endemism mean many plant species are confined to small ranges, so habitat loss from logging or land conversion can threaten an entire species at once.

Are Philippine sharks and rays more threatened than global averages?

The Philippines' 84 threatened chondrichthyes reflect intense regional fishing pressure across Coral Triangle waters; global patterns for sharks and rays show similarly elevated risk from overfishing, per the IUCN Red List.

What is the Tri-spine Horseshoe Crab and why does it matter?

The Tri-spine Horseshoe Crab (Endangered) relies on shallow coastal habitat shared with juvenile fish and rays, making it an indicator species for estuarine health across the region.

How does insect data compare to other taxonomic groups?

Insects rank second in the Philippines' threatened species count, but global insect assessments remain far less complete than for mammals or birds, so the true number at risk is likely higher, per GBIF occurrence data.

Where can I see species-level data for the Philippines?

The Philippines country dashboard on SpeciesRadar lists Red List status by species and taxonomic group.

Data sourced from Methodology SpeciesRadar (speciesradar.org), drawing on IUCN Red List 2025-2, GBIF, and national red list assessments from 200+ countries.

A future still within reach

The scale of the Philippines' threatened species list — 1,890 and counting — can read as discouraging, but the data also shows exactly where intervention matters most: forest habitat for endemic plants, coastal waters for sharks and rays, and the overlooked insect communities tying it all together. Species such as the Tenerife Sand Grasshopper (Endangered) and countless island-endemic plants and pollinators can still be pulled back from the brink if habitat protection keeps pace with the data. Explore the country biodiversity pillar on SpeciesRadar to see how the Philippines compares with other biodiversity hotspots worldwide, and help track the species that need attention next.