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 (495)
SpeciesStatusGroupTrend
Newman's Knob-scaled LizardXenosaurus newmanorumENother invertebrates?
Mertens' Earth SnakeGeophis fulvoguttatusENother invertebrates?
Isthmian Dwarf BoaUngaliophis continentalisENother invertebrates?
Fringe-toed Sand LizardUma exsulENother invertebrates?
Peña Nevada Agave lizardSceloporus chaneyiENother invertebrates?
Geophis talamancaeENother invertebrates?
Dary's Burrowing SnakeAdelphicos daryiENother invertebrates?
Adelphicos ibarrorumENother invertebrates?
Flathead Knob-scaled LizardXenosaurus platycepsENother invertebrates?
Socorro Island Tree LizardUrosaurus auriculatusENother invertebrates?
Dunn's Tropical Ground SnakeTrimetopon simileENother invertebrates?
Mena's Centipede SnakeTantilla lempiraENother invertebrates?
Roatan Long-tailed SnakeEnulius roatanensisENother invertebrates?
WishywillyCtenosaura oedirhinaENother invertebrates?
Motagua Spiny-tailed IguanaCtenosaura palearisENother invertebrates?
Lipetz's Tropical Night LizardLepidophyma lipetziENother invertebrates?
Yellow-lined Centipede SnakeTantilla flavilineataENother invertebrates?
Chapinophis xanthocheilusENother invertebrates?
Tamaulipan Montane Garter SnakeThamnophis mendaxENother invertebrates?
Roatan VinesnakeOxybelis wilsoniENother invertebrates?
Hardy's Hook-nosed SnakeFicimia hardyiENother invertebrates?
Sibon lamariENother invertebrates?
Rio Aguán IguanaCtenosaura melanosternaENother invertebrates?
Redbelly Earth RunnerChersodromus rubriventrisENother invertebrates?
Blackbelly Garter SnakeThamnophis melanogasterENother invertebrates?
Ocellated AntbirdPhaenostictus mcleannaniENbirds?
Spiny ChuckwallaSauromalus hispidusENother invertebrates?
Mouse AnoleAnolis sminthusENother invertebrates?
Rough-necked Alligator LizardBarisia rudicollisENother invertebrates?
Tawny-faced QuailRhynchortyx cinctusENbirds?
Cope's Arboreal Alligator LizardAbronia auritaENother invertebrates?
Pygmy Alligator LizardGerrhonotus parvusENother invertebrates?
Herrera's Alligator LizardBarisia herreraeENother invertebrates?
Loveridge's AnoleAnolis loveridgeiENother invertebrates?
Gro’s ManticoresMorunasaurus groiENother invertebrates?
Oaxaca HummingbirdEupherusa cyanophrysENbirds?
Glow-throated HummingbirdSelasphorus ardensENbirds?
Hobart Smith’s AnoleAnolis hobartsmithiENother invertebrates?
Meyer's AnoleAnolis johnmeyeriENother invertebrates?
Venerable Collared LizardCrotaphytus antiquusENother invertebrates?
Baja California Legless LizardAnniella geronimensisENother invertebrates?
Black RailLaterallus jamaicensisENbirds?
Sierra Madre SparrowXenospiza baileyiENbirds?
Guadalupe JuncoJunco insularisENbirds?
Worthen's SparrowSpizella wortheniENbirds?
Mangrove HummingbirdAmazilia boucardiENbirds?
White-vented PlumeleteerChalybura buffoniiENbirds?
Red-lored AmazonAmazona autumnalisENbirds?
Maroon-fronted ParrotRhynchopsitta terrisiENbirds?
Thick-billed ParrotRhynchopsitta pachyrhynchaENbirds?
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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