Species Explorer

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

54,666 species

Marsh Whorl Snail

CR

Vertigo antivertigo

Pop: Not assessed|Trend:

The Marsh Whorl Snail faces severe threats from wetland habitat destruction and degradation due to agricultural conversion, urban development, and drainage of marshes and fens. Climate change-induced alterations to water levels and increased frequency of extreme weather events further threaten the specialized calcareous wetland environments this species requires. Pollution from agricultural runoff and invasive plant species that alter habitat structure compound these pressures on remaining populations.

Marsh-bedstraw

CR

Galium palustre

Pop: Not assessed|Trend:

Marsh-bedstraw faces severe threats from widespread wetland habitat destruction and degradation due to agricultural conversion, urban development, and water management practices. Climate change is altering precipitation patterns and water levels in remaining marsh habitats, while pollution from agricultural runoff and invasive species competition further compromise the specialized wetland ecosystems this species depends upon.

Marsh's dutchman's pipe

EN

Aristolochia pentandra

Pop: Not assessed|Trend:

Marshmallow Polypore

CR

Irpiciporus pachyodon

Pop: Not assessed|Trend:

The Marshmallow Polypore faces severe threats from widespread deforestation and habitat fragmentation across its range, particularly affecting the old-growth forests it depends upon for suitable host trees. Climate change is altering forest composition and moisture regimes critical for this fungal species, while increased human development continues to reduce available habitat.

måsknotbagge

CR

Trox hispidus

Pop: Not assessed|Trend:

Trox hispidus faces severe population declines due to habitat loss from agricultural expansion and urbanization, which destroys the specific microhabitats required for its carrion-dependent lifecycle. The species' specialized feeding requirements on animal carcasses make it particularly vulnerable to changes in land use patterns and the widespread use of veterinary pharmaceuticals that contaminate its food sources.

massaranduba

EN

Pouteria andarahiensis

Pop: Not assessed|Trend:

Mat lindebuk

CR

Stenostola ferrea

Pop: Not assessed|Trend:

Mat lindebuk faces severe population declines due to widespread deforestation and habitat fragmentation across its range. The species' dependence on specific host trees makes it particularly vulnerable to logging activities and agricultural conversion, while its limited dispersal ability prevents recolonization of degraded areas.

Matchstick Flapwort

VU

Odontoschisma denudatum

Pop: Not assessed|Trend:

Matt Felt Lichen

EN

Peltigera malacea

Pop: Not assessed|Trend:

matt getingbi

VU

Nomada opaca

Pop: Not assessed|Trend:

matt sollöpare

CR

Poecilus punctulatus

Pop: Not assessed|Trend:

Matt sollöpare faces severe population declines due to intensive agricultural practices and habitat degradation across its range. The species is particularly vulnerable to pesticide use and the conversion of traditional agricultural landscapes to intensive monocultures, which eliminate the diverse microhabitats essential for its survival.

Maui Akepa

CR

Loxops ochraceus

Pop: Not assessed|Trend:

The Maui Akepa faces severe threats from habitat destruction due to deforestation and conversion of native forests for agriculture and development. Introduced diseases, particularly avian malaria and pox transmitted by non-native mosquitoes, have devastated populations, while invasive plant species continue to degrade remaining forest habitats.

Maui Nukupuu

CR

Hemignathus affinis

Pop: Not assessed|Trend:

The Maui Nukupuu faces severe threats from habitat destruction due to deforestation and agricultural conversion of native Hawaiian forests. Introduced diseases like avian malaria and pox, spread by non-native mosquitoes, have devastated populations, while invasive plant species continue to degrade remaining habitat quality.

Maui reedgrass

VU

Calamagrostis expansa

Pop: Not assessed|Trend:

May Shade

EN

Cnephasia communana

Pop: Not assessed|Trend:

Mcnamara's Burrowing Snake

VU

Pseudorabdion mcnamarae

Pop: Not assessed|Trend:

Meadow Barley

EN

Hordeum secalinum

Pop: Not assessed|Trend:

Meadow Brome

EN

Bromus commutatus

Pop: Not assessed|Trend:

Meadow Clary

VU

Salvia pratensis

Pop: Not assessed|Trend:

Meadow Dwarf

VU

Elachista triatomea

Pop: Not assessed|Trend:

meadow pipit

EN

Anthus pratensis

Pop: Not assessed|Trend:

Meadow Thistle

CR

Cirsium dissectum

Pop: Not assessed|Trend:

Meadow Thistle faces severe population declines due to widespread habitat loss from agricultural intensification and drainage of wetland areas. The species' specialized requirements for nutrient-poor, wet grasslands make it particularly vulnerable to changes in land management practices and hydrological conditions.

Mealy Bigfoot Webcap

VU

Cortinarius caerulescens

Pop: Not assessed|Trend:

Mealy Oyster

VU

Ossicaulis lignatilis

Pop: Not assessed|Trend:

Mealy Tooth

VU

Hydnellum ferrugineum

Pop: Not assessed|Trend:

medium cottongrass

VU

Eriophorum medium

Pop: Not assessed|Trend:

Medium Tree Finch

CR

Camarhynchus pauper

Pop: Not assessed|Trend:

The Medium Tree Finch faces severe threats primarily from invasive parasites, habitat degradation, and extremely limited range. The species is critically endangered due to the devastating impact of the introduced parasitic fly Philornis downsi, which kills nestlings, combined with habitat loss from invasive plant species and human activities on its restricted range in the Galápagos Islands.

Medusa Brittlestem

EN

Psathyrella caput-medusae

Pop: Not assessed|Trend:

Mélanippe pupillée (La)

EN

Epirrhoe pupillata

Pop: Not assessed|Trend:

mellomlodnetunge

EN

Trichoglossum variabile

Pop: Not assessed|Trend:

Melvin charr

CR

Salvelinus grayi

Pop: Not assessed|Trend:

Melvin charr faces severe threats from habitat degradation, invasive species introductions, and climate change impacts on cold-water lake ecosystems. The species' restricted range and specialized habitat requirements make it particularly vulnerable to environmental changes and human activities affecting pristine alpine and subarctic lake systems.

Menderes barbel

VU

Luciobarbus kottelati

Pop: Not assessed|Trend:

Menthol Brittlegill

VU

Russula albonigra

Pop: Not assessed|Trend:

Menzies' metaneckera moss

CR

Metaneckera menziesii

Pop: Not assessed|Trend:

Menzies' metaneckera moss faces severe threats from habitat destruction due to deforestation and urban development in its limited range. Climate change poses additional risks through altered precipitation patterns and temperature shifts that affect the specific moisture conditions this moss requires for survival.

Mérida Sunangel

EN

Heliangelus spencei

Pop: Not assessed|Trend:

Mersawa Merah

CR

Anisoptera megistocarpa

Pop: Not assessed|Trend:

Mersawa Merah faces severe population decline due to extensive logging and deforestation throughout its range in Southeast Asian tropical forests. The species' valuable timber has made it a primary target for commercial exploitation, while agricultural expansion and palm oil plantations continue to fragment and destroy its remaining habitat.

Meta Robber Frog

VU

Pristimantis frater

Pop: Not assessed|Trend:

metsätaitosukeltaja

VU

Agabus congener

Pop: Not assessed|Trend:

Mew Gull

CR

Larus canus

Pop: Not assessed|Trend:

The Mew Gull faces severe population declines due to habitat loss from coastal development, pollution of marine and freshwater environments, and climate change impacts on breeding and feeding areas. Disturbance at nesting colonies and reduced prey availability from overfishing and ecosystem changes further threaten remaining populations. Conservation status may vary by region or assessment authority.

Meylan's Pouchwort

VU

Calypogeia integristipula

Pop: Not assessed|Trend:

Miarakandro

EN

Gigasiphon humblotianum

Pop: Not assessed|Trend:

Michael's Fold Truffle

VU

Hydnotrya michaelis

Pop: Not assessed|Trend:

Midas Tree-weaver

CR

Midia midas

Pop: Not assessed|Trend:

The Midas Tree-weaver faces severe population declines due to widespread deforestation and habitat fragmentation across its limited range. Climate change is altering precipitation patterns critical for the specialized forest ecosystems this species depends on, while invasive species compete for nesting sites and food resources.

Midden Inkcap

VU

Coprinus sterquilinus

Pop: Not assessed|Trend:

Middlekauf's Shieldback Katydid

CR

Idiostatus middlekauffi

Pop: Not assessed|Trend:

Middlekauf's Shieldback Katydid faces severe threats from habitat loss and fragmentation due to urban development and agricultural expansion in its limited California range. The species' restricted distribution and specialized habitat requirements make it extremely vulnerable to environmental changes and human activities.

Midnight parrotfish

EN

Scarus coelestinus

Pop: Not assessed|Trend:

mierbodemkrabspin

EN

Ozyptila scabricula

Pop: Not assessed|Trend:

Mierderito

VU

Pimelodus coprophagus

Pop: Not assessed|Trend:

Milchweiße Lorchel

VU

Helvella lactea

Pop: Not assessed|Trend:

Milky Conecap

EN

Conocybe apala

Pop: Not assessed|Trend:

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