Species Explorer

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

54,666 species

Tawny Shears

VU

Hadena perplexa

Pop: Not assessed|Trend:

Tawny-faced Quail

EN

Rhynchortyx cinctus

Pop: Not assessed|Trend:

Tawny-throated Dotterel

EN

Oreopholus ruficollis

Pop: Not assessed|Trend:

Teer baardmos

VU

Usnea fragilescens

Pop: Not assessed|Trend:

Teesdale Feather-moss

EN

Rhynchostegiella teneriffae

Pop: Not assessed|Trend:

tegelröd blombock

CR

Nivellia sanguinosa

Pop: Not assessed|Trend:

The primary threat to tegelröd blombock is habitat loss from intensive forestry practices that remove deadwood and old-growth forest structures essential for breeding. Forest fragmentation and urbanization have further reduced available habitat and isolated remaining populations. Climate change may compound these pressures by altering forest ecosystems and increasing environmental stress.

Temnochile bleu

CR

Temnoscheila caerulea

Pop: Not assessed|Trend:

Temnoscheila caerulea faces severe population declines due to widespread deforestation and habitat fragmentation across its range. The species' dependence on old-growth forest ecosystems makes it particularly vulnerable to logging activities and agricultural conversion, while climate change is altering the temperature and moisture conditions essential for both the beetle and its prey species.

Ten-day Fern

EN

Rumohra adiantiformis

Pop: Not assessed|Trend:

Tengmalm’s Owl

CR

Aegolius funereus

Pop: Not assessed|Trend:

Tengmalm's Owl faces severe threats from climate change-induced habitat shifts that are pushing suitable boreal forest conditions northward and to higher elevations, fragmenting populations and reducing available nesting sites. Intensive forestry practices that remove old-growth forests eliminate essential nesting cavities, while habitat fragmentation disrupts prey availability and breeding success across much of its range.

Tennessee Cave Salamander

VU

Gyrinophilus palleucus

Pop: Not assessed|Trend:

tentacled lagoon worm

VU

Alkmaria romijni

Pop: Not assessed|Trend:

Teplouchovs bastborre

VU

Carphoborus teplouchovi

Pop: Not assessed|Trend:

Texas Sensitive Pea

EN

Chamaecrista flexuosa

Pop: Not assessed|Trend:

The Gypsy

VU

Cortinarius caperatus

Pop: Not assessed|Trend:

The Humpback

EN

Cantharellula umbonata

Pop: Not assessed|Trend:

The Sickener

VU

Russula emetica

Pop: Not assessed|Trend:

Thick-billed Murre / Brunnich's Guillemot

EN

Uria lomvia

Pop: Not assessed|Trend:

Thick-margined Mini-miner

VU

Andrena falsifica

Pop: Not assessed|Trend:

Thick-nerved Apple-moss

VU

Philonotis calcarea

Pop: Not assessed|Trend:

thicklip grey mullet

VU

Chelon labrosus

Pop: Not assessed|Trend:

Thiên Tuế Côn Đáo

VU

Cycas condaoensis

Pop: Not assessed|Trend:

Thin-scale Cottongrass

VU

Eriophorum angustifolium

Pop: Not assessed|Trend:

Thin-tailed Burbot

VU

Lota lota

Pop: Not assessed|Trend:

thinleaf camasey

CR

Henriettea membranifolia

Pop: Not assessed|Trend:

Thinleaf camasey faces severe threats from deforestation and habitat fragmentation across its limited range in the Caribbean and northern South America. The species' specialized habitat requirements and small population sizes make it extremely vulnerable to ongoing forest conversion for agriculture and urban development, while climate change poses additional risks to its montane forest ecosystems.

Thintail Skate

VU

Dipturus leptocauda

Pop: Not assessed|Trend:

Thistle Broomrape

CR

Orobanche reticulata

Pop: Not assessed|Trend:

Thistle Broomrape faces severe threats from habitat loss due to agricultural intensification and urban development across its limited range. The species' parasitic dependence on specific thistle host plants makes it particularly vulnerable to changes in land management practices and the decline of its host species populations.

Thomise tronqué

EN

Pistius truncatus

Pop: Not assessed|Trend:

Thor's Fritillary

CR

Boloria thore

Pop: Not assessed|Trend:

Thor's Fritillary faces severe population declines due to habitat loss and fragmentation of its specialized alpine and subalpine environments. Climate change poses an additional critical threat as warming temperatures force this cold-adapted species to retreat to increasingly limited high-elevation refugia. The species' dependence on specific host plants and narrow ecological requirements make it particularly vulnerable to environmental changes.

thorn coral

VU

Stylocoeniella cocosensis

Pop: Not assessed|Trend:

Thracian Shad

CR

Alosa vistonica

Pop: Not assessed|Trend:

The Thracian Shad faces severe threats from dam construction and river modifications that block spawning migrations, combined with water pollution and habitat degradation in both marine and freshwater environments. Overfishing and bycatch in commercial fisheries have further reduced populations. The species' restricted geographic range makes it particularly vulnerable to these localized pressures.

Three Kings Rangiora

EN

Brachyglottis arborescens

Pop: Not assessed|Trend:

Three-lined Soldier

EN

Oxycera trilineata

Pop: Not assessed|Trend:

Three-ranked Bristle Moss

VU

Seligeria tristichoides

Pop: Not assessed|Trend:

Three-square Bulrush

CR

Schoenoplectus pungens

Pop: Not assessed|Trend:

Three-square Bulrush faces severe threats from wetland habitat destruction and degradation due to urban development, agricultural conversion, and water management practices that alter natural hydrology. Climate change-induced shifts in precipitation patterns and increased frequency of extreme weather events further threaten the specialized wetland ecosystems this species depends upon.

three-toed Guanabara frog

VU

Euparkerella tridactyla

Pop: Not assessed|Trend:

Threefork Polypody

CR

Enterosora trifurcata

Pop: Not assessed|Trend:

Threefork Polypody faces severe threats from habitat destruction due to deforestation and agricultural expansion in its limited range. The species' restricted distribution makes it particularly vulnerable to localized environmental changes and human activities that fragment or destroy its specialized epiphytic habitat.

Threelobed Bazzania

CR

Bazzania trilobata

Pop: Not assessed|Trend:

Threelobed Bazzania faces severe threats from habitat destruction and degradation of its specialized bryophyte communities in moist forest environments. Climate change poses additional risks through altered precipitation patterns and temperature regimes that affect the delicate moisture balance required for this liverwort's survival. Pollution and atmospheric changes further compromise the sensitive ecosystems where this species occurs.

Throw-wax

CR

Bupleurum rotundifolium

Pop: Not assessed|Trend:

Throw-wax faces severe population declines primarily due to intensive agricultural practices that have eliminated its traditional arable habitat. The species has experienced dramatic range contractions across Europe as modern farming methods, including herbicide use and changes in crop rotation practices, have made agricultural landscapes inhospitable to this annual plant.

Thrush Nightingale

VU

Luscinia luscinia

Pop: Not assessed|Trend:

Thyme Dodder

VU

Cuscuta epithymum

Pop: Not assessed|Trend:

Thyme Pug

VU

Eupithecia distinctaria

Pop: Not assessed|Trend:

Thyme-leaved Sandwort

CR

Arenaria leptoclados

Pop: Not assessed|Trend:

Thyme-leaved Sandwort faces severe threats from habitat destruction and fragmentation due to urban development, agricultural expansion, and infrastructure projects that destroy its specialized sandy and rocky habitats. Climate change poses additional risks through altered precipitation patterns and increased drought frequency, while invasive plant species compete for resources in its limited suitable habitats.

Thymeleaf Dragonhead

EN

Dracocephalum thymiflorum

Pop: Not assessed|Trend:

Thymianblattzikade

EN

Chlorita dumosa

Pop: Not assessed|Trend:

Tiger Sawgill

CR

Lentinus tigrinus

Pop: Not assessed|Trend:

Habitat loss through deforestation and intensive forest management practices that remove dead wood have severely reduced available substrates for this fungus. Climate change and altered precipitation patterns are disrupting the specific moisture conditions required for spore germination and mycelial growth, while air pollution may be affecting its sensitive reproductive processes.

Tiger sorubim, Tiger catfish, Tiger-shovelnose

VU

Pseudoplatystoma tigrinum

Pop: Not assessed|Trend:

Tigerstriped catfish

VU

Brachyplatystoma tigrinum

Pop: Not assessed|Trend:

Timavo sculpin

VU

Cottus scaturigo

Pop: Not assessed|Trend:

Timbiri Barb

CR

Systomus timbiri

Pop: Not assessed|Trend:

The Timbiri Barb faces severe threats from habitat degradation and water pollution in its limited range within the Western Ghats of India. Dam construction, agricultural runoff, and urban development have significantly altered the pristine stream ecosystems this endemic species depends upon for survival.

timmersågsfibbla

CR

Hieracium serratoellipticum

Pop: Not assessed|Trend:

Timmersågsfibbla faces severe threats from habitat degradation and fragmentation in its specialized alpine and subalpine environments. Climate change poses an additional critical risk by altering the temperature and moisture conditions essential for this species' survival in high-elevation ecosystems. The species' extremely limited distribution and small population size make it particularly vulnerable to local extinctions.

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