Species Explorer
Browse and search species from the IUCN Red List and GBIF.
54,666 species
kwelderkaardertje
CRArgenna patula
The kwelderkaardertje (Argenna patula) is critically endangered primarily due to habitat loss and degradation of its specialized salt marsh environments. Coastal development, sea level rise, and changes in water management have severely reduced the availability of suitable breeding and foraging habitats. The species' extremely limited range and small population size make it particularly vulnerable to environmental changes and local extinctions.

Kyst-bægerlav
VUCladonia subcervicornis
kystbendellav
CRBactrospora homalotropa
Bactrospora homalotropa, a critically endangered lichen species, faces severe population decline primarily due to habitat loss and degradation of its specialized substrate requirements. Air pollution and climate change are additional stressors affecting the delicate environmental conditions this lichen requires for survival.
kysthakeedderkopp
VUTrichoncus hackmani
kystspydedderkopp
CRSilometopus ambiguus
Silometopus ambiguus, the kystspydedderkopp, faces severe population decline primarily due to habitat loss from coastal development and climate change impacts on its specialized dune ecosystem. The species' extremely limited range and small population size make it particularly vulnerable to environmental disturbances and stochastic events.
kysttrevlesopp
ENInocybe serotina
Inocybe serotina faces severe decline due to habitat loss from coastal development and agricultural conversion of its specialized dune and coastal grassland ecosystems. Climate change and sea level rise pose additional threats to its narrow coastal distribution, while pollution and trampling from recreational activities further degrade remaining habitat patches.
La Palma Glass Frog
ENHyalinobatrachium valerioi
The La Palma Glass Frog faces severe population declines primarily due to habitat destruction from agricultural expansion and urban development in its limited montane forest range. Climate change poses an additional threat by altering the specific temperature and humidity conditions required for this species' survival and reproduction.
labyrintsvampmal
VUNemapogon fungivorella

Lace Border
CRScopula ornata
The Lace Border (Scopula ornata) is critically endangered due to severe habitat loss and degradation of its specialized coastal dune and grassland environments. Urban development, agricultural intensification, and changes in land management practices have dramatically reduced the availability of suitable breeding and feeding habitats for this moth species.

Lace bug
ENDictyla echii
The Lace bug (Dictyla echii) is declining primarily due to habitat loss and degradation of its specialized coastal and heathland environments. Climate change and coastal development are reducing the availability of suitable habitat where its host plants can thrive.

Lactaire à pied blanc
CRLactarius azonites
Lactarius azonites, the white-footed milk-cap, is critically endangered primarily due to habitat loss and degradation of its specialized forest ecosystems. This mycorrhizal fungus depends on specific host trees and soil conditions that are increasingly threatened by deforestation, agricultural conversion, and urban development. Climate change may further impact the delicate ecological relationships this species requires for survival.
Lactaire citron pâle
CRLactarius aquizonatus
Lactarius aquizonatus faces severe population decline primarily due to habitat loss from deforestation and agricultural conversion of its specialized forest ecosystems. As a mycorrhizal fungus dependent on specific host trees, it is particularly vulnerable to forest fragmentation and changes in forest composition. Climate change may further threaten this species by altering the delicate ecological conditions required for its survival.
Lactaire jaunâtre
CRLactarius flavidus
Lactarius flavidus faces severe population decline primarily due to habitat loss from deforestation and forest fragmentation in its limited range. The species' specialized ecological requirements as a mycorrhizal fungus make it particularly vulnerable to changes in forest composition and soil chemistry. Climate change further threatens its survival by altering the delicate environmental conditions necessary for fruiting body formation.
lad-lecidella
ENLecidella pulveracea
Lecidella pulveracea, a crustose lichen species, faces severe decline primarily due to air pollution and habitat degradation. Industrial emissions, vehicle exhaust, and agricultural chemicals have significantly reduced air quality in its range, while urbanization and infrastructure development have destroyed suitable substrate habitats.
ladder spleenwort
VUAsplenium adulterinum
ladegårdsslørsopp
CRCortinarius cordatae
Cortinarius cordatae faces severe threats primarily from habitat loss and degradation of its specialized old-growth forest ecosystems. The species has an extremely limited distribution and appears to be dependent on specific ecological conditions that are increasingly rare due to forestry practices and environmental changes.
![Lady's-mantle [Alchemilla subcrenata]](https://upload.wikimedia.org/wikipedia/commons/2/2d/Alchemilla_subcrenata_plant_%2801%29.jpg)
Lady's-mantle [Alchemilla subcrenata]
ENAlchemilla subcrenata
Alchemilla subcrenata faces severe population decline primarily due to habitat loss and degradation from agricultural expansion and urban development in its limited montane range. The species' extremely restricted distribution makes it particularly vulnerable to localized threats and climate change impacts on high-altitude ecosystems.

Ladybird Spider
VUEresus sandaliatus

Læderfarvet tragtridderhat
CRLeucopaxillus alboalutaceus
Leucopaxillus alboalutaceus is critically endangered primarily due to habitat loss and degradation of its specialized grassland and calcareous soil environments. The species has an extremely limited distribution and small population size, making it highly vulnerable to environmental changes and human activities that alter its specific ecological requirements.
lähdesirvikäs
VUCrunoecia irrorata
Lake Buhi Bockadam
ENCerberus microlepis
The Lake Buhi Bockadam faces severe threats primarily from habitat degradation and the extremely small range limited to Lake Buhi in the Philippines. The species is vulnerable to water pollution, sedimentation from agricultural runoff, and introduced species that alter the lake ecosystem.

Lake Lamprey
ENEntosphenus macrostomus
The Lake Lamprey faces severe population declines primarily due to habitat degradation from dam construction, water diversions, and pollution in Pacific Northwest river systems. Historical overfishing and ongoing habitat fragmentation have further reduced populations, with many spawning runs eliminated or severely diminished.
Lake Yesei Char
ENSalvelinus tolmachoffi
Lake Yesei Char faces severe threats from habitat degradation and potential climate change impacts on its highly restricted lake ecosystem. The species' extremely limited distribution makes it particularly vulnerable to any environmental changes or human activities affecting Lake Yesei.
lamantan
VUMangifera similis

Lamb's Succory
ENArnoseris minima
Lamb's Succory has declined dramatically across its European range due to the intensification of agriculture and abandonment of traditional low-intensity farming practices. The species requires nutrient-poor, sandy soils that are maintained by extensive grazing or cultivation, but modern agricultural practices have either enriched soils through fertilization or led to habitat abandonment and succession.

Lamie berger
CRIberodorcadion fuliginator
Iberodorcadion fuliginator is critically endangered primarily due to habitat loss and degradation from agricultural intensification and urban development in its limited range in the Iberian Peninsula. The species' highly restricted distribution and specialized habitat requirements make it extremely vulnerable to environmental changes and human activities.

Lamie bûcheron
CRMorimus asper
Morimus asper, the Great Capricorn Beetle, faces severe population declines primarily due to habitat loss and fragmentation of old-growth deciduous forests. The species depends on mature oak and beech trees for breeding, but deforestation, urbanization, and intensive forest management have drastically reduced suitable habitat across its European range.

Lamie écorce de hêtre, Mésose charançon
CRMesosa curculionoides
Mesosa curculionoides faces severe population decline primarily due to habitat loss from deforestation and forest fragmentation, which destroys the mature beech trees essential for its larval development. The species' highly specialized ecology, requiring specific host trees and forest conditions, makes it extremely vulnerable to environmental changes and human disturbance.
lampiputkisirvikäs
VULimnephilus sericeus
Lancewood
ENOxandra laurifolia
Oxandra laurifolia faces severe population decline primarily due to extensive deforestation and habitat fragmentation throughout its limited range in the Amazon Basin. Agricultural expansion, logging activities, and infrastructure development have significantly reduced the availability of suitable forest habitat. The species' restricted distribution and specific habitat requirements make it particularly vulnerable to ongoing forest loss.
lång dyblomfluga
VUNeoascia annexa
Lang's Short-tailed Blue
ENLeptotes pirithous
Lang's Short-tailed Blue faces significant population declines primarily due to habitat loss from agricultural intensification and urban development across its Mediterranean range. Climate change is altering the distribution and phenology of its host plants, further threatening breeding success and population stability.
Langes Brombeere
VURubus langei
långhornad knölkrabba
VUEurynome spinosa
langpootbodemzakspin
CRScotina gracilipes
Scotina gracilipes faces severe population decline primarily due to habitat loss and fragmentation of its specialized coastal dune and sandy grassland ecosystems. Urban development, agricultural intensification, and coastal erosion have dramatically reduced the availability of suitable microhabitats this ground-dwelling spider requires for survival.
långt broktagel
VUBryoria tenuis

Langtornet randtæge
VUCoriomeris denticulatus
lansettkägelbi
ENCoelioxys lanceolatus
Coelioxys lanceolatus, a cuckoo bee species, faces severe population declines primarily due to habitat loss and degradation of the specialized nesting sites required by its host bee species. The species is particularly vulnerable because it depends entirely on specific host bees for reproduction, making it susceptible to any factors that negatively impact host populations.
Lantaarnsponsgaasvlieg
VUSisyra terminalis

Lapland Longspur
VUCalcarius lapponicus

Lapland poppy
ENPapaver lapponicum
The Lapland poppy faces severe threats from climate change as warming temperatures alter its specialized Arctic and subarctic habitat requirements. Human activities including mining, infrastructure development, and recreational activities further fragment and degrade its limited high-altitude and northern latitude populations.
Lapland Sedge
VUCarex lapponica
laplandse geelgerande waterkever, laplandse geelrand
CRDytiscus lapponicus
Dytiscus lapponicus faces severe threats from habitat loss and degradation of its specialized aquatic environments in northern regions. Climate change poses a particularly significant risk as warming temperatures alter the cold-water habitats this Arctic/subarctic species depends on. Water pollution and human disturbance of pristine northern wetlands further compound the pressures on remaining populations.
lappdunört
ENEpilobium laestadii
Epilobium laestadii faces severe population decline primarily due to habitat loss from urban development and infrastructure projects in its limited alpine and subalpine range. Climate change poses an additional threat by altering the specific temperature and moisture conditions required for this cold-adapted species.

Lappet
CRGastropacha quercifolia
The Lappet moth (Gastropacha quercifolia) faces severe population declines primarily due to habitat loss and degradation of woodland and scrubland environments where its host plants occur. Agricultural intensification, urbanization, and changes in land management practices have significantly reduced suitable breeding habitats. Climate change may also be affecting the species' distribution and the availability of its larval food plants.
lappfjällfly
VULasionycta skraelingia
Larch Knight
CRTricholoma psammopus
The Larch Knight (Tricholoma psammopus) faces severe population decline primarily due to habitat loss from deforestation and land conversion in its limited range. Climate change poses additional pressure by altering the specific environmental conditions required for this mycorrhizal fungus to form associations with its host trees. The species' extremely restricted distribution makes it particularly vulnerable to local extinctions from human activities.

Larch Spike
ENGomphidius maculatus
Gomphidius maculatus, the Larch Spike mushroom, faces severe population declines primarily due to habitat loss from deforestation and forest fragmentation in its native coniferous forest ecosystems. Climate change is altering the delicate mycorrhizal relationships this species depends on with larch trees, while air pollution and acid rain are degrading the soil chemistry essential for its survival.
Larch Woodwax
ENHygrophorus lucorum
Larch Woodwax (Hygrophorus lucorum) faces severe decline primarily due to habitat loss from deforestation and conversion of old-growth larch forests for agriculture and development. Climate change is altering the specific temperature and moisture conditions required for this mycorrhizal fungus to form associations with its host trees. Additionally, air pollution and acid rain are degrading the forest ecosystems where this species occurs.

Large Brindled Clothes
ENTriaxomera parasitella
The Large Brindled Clothes moth faces severe population declines primarily due to habitat loss from urbanization and agricultural intensification, which has eliminated many of its specialized breeding sites. Climate change is altering the distribution and phenology of its host plants, while light pollution disrupts its nocturnal behavior and reproduction cycles.