Michigan

Biodiversity Intelligence Dashboard

Threatened

473

CR + EN + VU

Critically Endangered

142

CR

Endemic Threatened

0

Found only here

Declining

0%

0 species

Category Breakdown

Distribution of 473 threatened species

CR 142
EN 180
VU 151
CR: 142
EN: 180
VU: 151
Taxonomic Breakdown

Threatened % by group

mammals80/80 (100%)
birds56/56 (100%)
amphibians84/84 (100%)
insects9/9 (100%)
other invertebrates180/180 (100%)
plants24/24 (100%)
corals4/4 (100%)
molluscs7/7 (100%)
crustaceans26/26 (100%)
arachnids3/3 (100%)
All Species in Michigan (473)
SpeciesStatusGroupTrend
Taylor's Pigmy SalamanderThorius troglodytesENamphibians?
Lake Lerma SalamanderAmbystoma lermaenseENamphibians?
Small-footed MyotisMyotis leibiiENmammals?
Peninsular MyotisMyotis peninsularisENmammals?
Mexican Long-nosed BatLeptonycteris nivalisENmammals?
Bigfoot Splayfoot SalamanderChiropterotriton magnipesENamphibians?
Yellow-legged SalamanderBolitoglossa flavimembrisENamphibians?
Oaxacan SalamanderBolitoglossa macriniiENamphibians?
Yellowbelly Mushroomtongue SalamanderBolitoglossa flaviventrisENamphibians?
Engelhardt's SalamanderBolitoglossa engelhardtiENamphibians?
Morelos SalamanderPseudoeurycea altamontanaENamphibians?
Mustached False Brook SalamanderPseudoeurycea mystaxENamphibians?
Jumping SalamanderIxalotriton nigerENamphibians?
Yellow-peppered SalamanderAmbystoma flavipiperatumENamphibians?
Black-spotted SalamanderPseudoeurycea nigromaculataENamphibians?
Sierra Juarez False Brook SalamanderPseudoeurycea juareziENamphibians?
Cortes SalamanderCryptotriton nasalisENamphibians?
MacDougall's Pigmy SalamanderThorius macdougalliENamphibians?
Toluca Stream SiredonAmbystoma rivulareENamphibians?
Mountain Stream SiredonAmbystoma altamiraniENamphibians?
Puerto Hondo Stream SalamanderAmbystoma ordinariumENamphibians?
Findley's MyotisMyotis findleyiENmammals?
Mono ColoradoAteles geoffroyiENmammals?
Volcano RabbitRomerolagus diaziENmammals?
Tropical HareLepus flavigularisENmammals?
Mearns's SquirrelTamiasciurus mearnsiENmammals?
Narrow-nosed Harvest MouseReithrodontomys tenuirostrisENmammals?
Magdelena Wood RatXenomys nelsoniENmammals?
ZempoaltepecPeromyscus melanocarpusENmammals?
El Carrizo Deer MousePeromyscus ochraventerENmammals?
Mexican Black Howler MonkeyAlouatta pigraENmammals?
Red-backed Squirrel MonkeySaimiri oerstediiENmammals?
Tres Marias RabbitSylvilagus graysoniENmammals?
Black-tailed MousePeromyscus melanurusENmammals?
Mexican Prairie MarmotCynomys mexicanusENmammals?
Thomas's Giant Deer MouseMegadontomys thomasiENmammals?
Santa Cruz MousePeromyscus sejugisENmammals?
Tarabundi VoleMicrotus oaxacensisENmammals?
Tres Marias Island MousePeromyscus madrensisENmammals?
Winkelmann's MousePeromyscus winkelmanniENmammals?
Nelson's Giant Deer MouseMegadontomys nelsoniENmammals?
Horned GuanOreophasis derbianusENbirds?
Zempoaltepec VoleMicrotus umbrosusENmammals?
Oaxacan Giant Deer MouseMegadontomys cryophilusENmammals?
Mexican Water MouseRheomys mexicanusENmammals?
Tropical Pocket GopherGeomys tropicalisENmammals?
Michoacan Pocket GopherZygogeomys trichopusENmammals?
Nelson's Spiny Pocket MouseHeteromys nelsoniENmammals?
Coahuilan Box TurtleTerrapene coahuilaENother invertebrates?
Tancitaran Dusky RattlesnakeCrotalus pusillusENother invertebrates?
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Biodiversity Brief — Michigan

Outlook: Deteriorating

Middle America represents one of Earth's most biodiverse regions, encompassing the Central American land bridge that connects North and South America. This narrow corridor contains multiple biodiversity hotspots, including the Mesoamerican forests and portions of the Tumbes-Chocó-Magdalena region. The region's significance stems from its role as a biological corridor facilitating species exchange between continents, creating exceptional endemism levels across cloud forests, lowland rainforests, and coral reef systems along both Pacific and Caribbean coasts. Current biodiversity data reveals an alarming situation: all 98 assessed species are threatened, with every single species classified as critically endangered according to IUCN Red List 2025. This 100% threat rate across all taxonomic groups—mammals (24/24), birds (5/5), amphibians (25/25), insects (5/5), other invertebrates (29/29), molluscs (1/1), and crustaceans (9/9)—indicates severe ecosystem degradation. Primary threats include rapid deforestation for cattle ranching and palm oil plantations, particularly affecting cloud forest ecosystems. Coastal development threatens mangrove systems and coral reefs, while mining operations impact montane forests. Climate change exacerbates these pressures, causing upslope migration of species in mountainous regions and coral bleaching events. The trajectory appears deteriorating without immediate intervention, though regional conservation corridors show promise for ecosystem connectivity restoration.

Key Biomes & Ecosystems

Tropical Rainforest
Cloud Forest
Mangroves
Coral Reefs
Dry Forest
Montane Forest

Conservation Achievements

The Mesoamerican Biological Corridor initiative represents the region's most significant conservation achievement, establishing protected area networks across national boundaries to maintain ecosystem connectivity. Costa Rica's Payment for Ecosystem Services program has successfully reversed deforestation trends, while Belize's marine protected areas cover 13% of territorial waters. Guatemala's Maya Biosphere Reserve demonstrates community-based forest management, and Panama's expansion of national parks has increased protected coverage to over 20% of national territory.

Source: IUCN Red List 2025-2, GBIF, national survey data