Search Threatened Species
Explore the IUCN Red List by name, group, country, status, and population trend.
55,200 species
EN
Araxian Cousinia
Cousinia araxena
Stable2countries
CR
Arboreal Seedpod Shieldback
Thoracistus arboreus
Unknown1country
CRArboreal Splayfoot Salamander
Chiropterotriton arboreus
Declining1country
CRArboreal Thorius
Thorius arboreus
Declining1country
VU
Arboreal Treefrog
Dryophytes arboricola
Unknown1country
CRArcadia Velvet Gecko
Oedura lineata
Unknown1country
VU
Arcane Spikethumb Frog
Plectrohyla sagorum
Unknown3countries
VUArched Earthstar
Geastrum fornicatum
Unknown
VUArched Woodwax
Hygrophorus camarophyllus
Unknown
CRArchey's Frog
Leiopelma archeyi
Stable1country
ENArctic Blue
Agriades aquilo
Unknown8countries
VUArctic marsh sedge
Carex holostoma
Unknown
CRArctic Mushroom Scales Lichen
Lichenomphalia hudsoniana
Unknown
EN
Arctic Orangebush Lichen
Seirophora aurantiaca
Declining1country
CRArctic Rush
Juncus arcticus
Unknown
CR
Arctic Rustwort
Marsupella arctica
Unknown
ENArctic Saucer Lichen
Ochrolechia frigida
Unknown
CRArctic Saw-whet Owl
Aegolius funereus
Unknown
VUArctic Skipperling
Carterocephalus palaemon
Unknown44countries
CRArctic Sulfur
Colias palaeno
Unknown
ENArctic Warbler
Phylloscopus borealis
Unknown
ENarctic woodrush
Luzula nivalis
Unknown
CRArdilla terrestre pigmea
Spermophilus pygmaeus
Unknown
EN
Arenal Rivulus
Cynodonichthys fuscolineatus
Unknown1country
VUArenatus Barb
Puntius arenatus
Unknown1country