Species Explorer

Browse and search species from the IUCN Red List and GBIF.

54,666 species

Tvegrubet slankløber

CR

Agonum ericeti

Pop: Not assessed|Trend:

Tvegrubet slankløber faces severe threats from habitat loss due to agricultural intensification and urban development, which has fragmented and destroyed much of its specialized heathland habitat. Climate change and altered fire regimes further threaten the specific microhabitat conditions this species requires for survival.

tvillingsporrspindel

EN

Cheiracanthium pennyi

Pop: Not assessed|Trend:

Tvivlsom ovalløber

CR

Amara municipalis

Pop: Not assessed|Trend:

Tvivlsom ovalløber faces severe population declines due to intensive agricultural practices and urban development that have dramatically reduced suitable habitat across its range. The species' specialized habitat requirements make it particularly vulnerable to landscape fragmentation and the widespread use of pesticides in modern farming systems.

twaite shad

CR

Alosa fallax

Pop: Not assessed|Trend:

The twaite shad faces severe population declines across its range due to habitat degradation and barriers to migration. Dam construction and river modifications have blocked access to critical spawning grounds, while water pollution and overfishing have further reduced populations to critically low levels.

twijgschotelkorst

EN

Lecanora confusa

Pop: Not assessed|Trend:

twijgvlekje

VU

Arthonia punctiformis

Pop: Not assessed|Trend:

Twin-spot Flat-body

VU

Agonopterix bipunctosa

Pop: Not assessed|Trend:

Twin-spot Fritillary

CR

Brenthis hecate

Pop: Not assessed|Trend:

The Twin-spot Fritillary faces severe population declines across its range due to habitat loss and degradation of its specialized grassland ecosystems. Agricultural intensification, urban development, and changes in traditional land management practices have eliminated or fragmented critical breeding habitats. Climate change further threatens remaining populations by altering the delicate ecological conditions required for both the butterfly and its host plants.

Twisted Moss

VU

Tortella tortuosa

Pop: Not assessed|Trend:

Twisted Peat Moss

VU

Sphagnum contortum

Pop: Not assessed|Trend:

Twisted Whitlowgrass

EN

Draba incana

Pop: Not assessed|Trend:

Twisted-lobed Dandelion

CR

Taraxacum tortilobum

Pop: Not assessed|Trend:

Twisted-lobed Dandelion faces severe threats from habitat destruction due to agricultural expansion and urban development in its specialized alpine and subalpine environments. Climate change poses an additional critical threat as warming temperatures force suitable habitat to shift to higher elevations, reducing available range for this cold-adapted species. The species' limited distribution and small population size make it particularly vulnerable to local extinctions.

Two Spored Milkcap

CR

Lactarius acerrimus

Pop: Not assessed|Trend:

The Two Spored Milkcap faces severe population declines due to widespread habitat destruction and degradation of its specialized forest ecosystems. Climate change is altering the delicate mycorrhizal relationships this fungus depends on, while increased human disturbance and pollution further threaten remaining populations.

Two-coloured Caecilian

VU

Epicrionops bicolor

Pop: Not assessed|Trend:

Two-lined Mushroomtongue Salamander

EN

Bolitoglossa biseriata

Pop: Not assessed|Trend:

Two-rowed Stickseed

EN

Lappula squarrosa

Pop: Not assessed|Trend:

Two-stamen Sedge

CR

Carex diandra

Pop: Not assessed|Trend:

Two-stamen Sedge faces severe population declines due to widespread wetland habitat destruction and degradation across its range. Climate change and altered hydrology from human activities have further reduced suitable habitat, while agricultural conversion and urban development continue to eliminate remaining populations.

Two-tailed Pasha

VU

Charaxes jasius

Pop: Not assessed|Trend:

Twospotted Lady Beetle

VU

Adalia bipunctata

Pop: Not assessed|Trend:

Twotone Woodwax

CR

Hygrophorus unicolor

Pop: Not assessed|Trend:

The Twotone Woodwax faces severe population declines due to widespread habitat destruction from deforestation and urban development in its specialized forest ecosystems. Climate change is altering the delicate moisture and temperature conditions required for this fungus to fruit and complete its life cycle. Additionally, soil contamination and changes in forest composition are disrupting the mycorrhizal relationships essential for its survival.

twotoothed cephalozia

VU

Cephalozia bicuspidata

Pop: Not assessed|Trend:

Tyk vortelav

VU

Wahlenbergiella mucosa

Pop: Not assessed|Trend:

tykkfingeredderkopp

CR

Gongylidiellum murcidum

Pop: Not assessed|Trend:

The tykkfingeredderkopp faces threats primarily from habitat loss and degradation of its specialized microhabitat requirements. Climate change may further impact the species through alterations to environmental conditions necessary for its survival.

Tystie

VU

Cepphus grylle

Pop: Not assessed|Trend:

Uferseggen-Spornzikade

VU

Anakelisia fasciata

Pop: Not assessed|Trend:

Ufersumpfspinnchen

VU

Glyphesis taoplesius

Pop: Not assessed|Trend:

ullörtssköldbagge

CR

Cassida seladonia

Pop: Not assessed|Trend:

Cassida seladonia faces severe population declines due to habitat loss from agricultural intensification and urban development across its European range. The species' specialized feeding requirements on specific host plants make it particularly vulnerable to changes in land use and management practices that reduce the availability of suitable vegetation.

Umbellate Jagged Chickweed

EN

Holosteum umbellatum

Pop: Not assessed|Trend:

Umbellate Wintergreen, Pipsissewa, Prince's Pine

EN

Chimaphila umbellata

Pop: Not assessed|Trend:

Uncumanu

VU

Prumnopitys harmsiana

Pop: Not assessed|Trend:

ungersk hjorttryffel

VU

Elaphomyces virgatosporus

Pop: Not assessed|Trend:

Unshoe-the-horse

EN

Botrychium lunaria

Pop: Not assessed|Trend:

Untidy Earwort

CR

Scapania cuspiduligera

Pop: Not assessed|Trend:

Scapania cuspiduligera faces severe threats from habitat degradation and loss of its specialized bryophyte communities. Climate change poses additional risks through altered moisture regimes and temperature fluctuations that affect the delicate microhabitats this liverwort requires. The species' limited distribution and specific ecological requirements make it particularly vulnerable to environmental changes.

Upper Crust

VU

Amaurodon cyaneus

Pop: Not assessed|Trend:

Upright Chickweed

CR

Moenchia erecta

Pop: Not assessed|Trend:

Upright Chickweed faces severe population declines due to habitat loss from agricultural intensification and urban development across its native range. The species' specialized requirements for nutrient-poor, sandy soils in open grasslands and heathlands make it particularly vulnerable to land-use changes and habitat fragmentation.

Upright Pottia

VU

Microbryum rectum

Pop: Not assessed|Trend:

Urn Haircap

VU

Pogonatum urnigerum

Pop: Not assessed|Trend:

Urrao Rocket Frog

EN

Hyloxalus breviquartus

Pop: Not assessed|Trend:

urskogsmygga

VU

Pachyneura fasciata

Pop: Not assessed|Trend:

Urskovsspidshale

CR

Scraptia fuscula

Pop: Not assessed|Trend:

Scraptia fuscula faces severe population declines due to habitat loss from deforestation and agricultural conversion of its specialized woodland environments. The species' dependence on dead wood and fungal associations makes it particularly vulnerable to forest management practices that remove decaying timber, while its limited dispersal ability restricts recolonization of degraded areas.

Uruguay harlequin frog

EN

Lysapsus limellum

Pop: Not assessed|Trend:

utropstecknad korthuvudmal

CR

Scythris knochella

Pop: Not assessed|Trend:

Scythris knochella faces severe population declines due to habitat loss from agricultural intensification and urban development across its limited range. The species' specialized ecological requirements and restricted distribution make it particularly vulnerable to environmental changes and fragmentation of suitable habitats.

vaalealätkäkiiluri

VU

Thinophilus flavipalpis

Pop: Not assessed|Trend:

Väddblomfluga

VU

Cheilosia nebulosa

Pop: Not assessed|Trend:

vaddporing

VU

Anomoporia kamtschatica

Pop: Not assessed|Trend:

Vadehavsovalløber

CR

Amara strenua

Pop: Not assessed|Trend:

Vadehavsovalløber (Amara strenua) faces severe threats from habitat loss and degradation of coastal wetland ecosystems. Climate change-induced sea level rise and increased storm intensity threaten the specialized tidal marsh habitats this species depends on, while agricultural intensification and coastal development further fragment remaining suitable areas.

vågåkantlav

EN

Lecanora margacea

Pop: Not assessed|Trend:

vågfibbla

VU

Hieracium obtusoserratum

Pop: Not assessed|Trend:

vähäsilmupalkonen

VU

Ithytrichia clavata

Pop: Not assessed|Trend:

valamuerto

VU

Senna pendula

Pop: Not assessed|Trend:

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