Endangered Animals in Missouri: What They Are, Where They Live, and What the Law Says

Missouri may not be the first state that comes to mind when you think about endangered wildlife, but it is home to dozens of animal species teetering on the edge of survival. Some live in cave streams you’ll never visit. Others migrate through wetlands that are quietly disappearing. A few cling to single river systems found nowhere else on Earth.

Understanding which animals are endangered in Missouri — and what the law actually requires of you — matters whether you’re a landowner, an outdoor enthusiast, or simply someone who cares about what’s left of the state’s natural heritage. This guide walks you through the listing process, the species themselves, the legal boundaries, and how you can help.

How Endangered Species Are Listed and Protected in Missouri

Endangered species protection in Missouri operates on two parallel tracks: federal law and state law. Both apply simultaneously, and understanding how they work together is the first step to knowing your obligations.

At the federal level, the federal Endangered Species Act (ESA) of 1973 provides for the identification, listing, and protection of both threatened and endangered species and their habitats. ESA administration and enforcement are the responsibility of the U.S. Fish and Wildlife Service and the National Marine Fisheries Service.

At the state level, Missouri has its own framework. In 1972, the Missouri General Assembly passed an Act (Section 252.240 RSMo.) charging MDC with establishing a list of endangered species and providing protection for them. Section 4.111 of the Wildlife Code of Missouri regulates these species.

Key Insight: Missouri’s state law and the federal ESA work alongside each other. A species can be listed under one, both, or neither — and the level of protection it receives depends on which list it appears on.

Before a species reaches the federal list, it typically goes through a candidate phase. The public may petition to list a species, or biologists at the U.S. Fish and Wildlife Service may study a species whose population is thought to be declining and decide themselves whether the species qualifies as a candidate. The law stipulates that FWS scientists must use accurate scientific information collected from several sources to back their candidate decisions.

An endangered species is a species that is in danger of extinction throughout all or a significant portion of its range. A threatened species is a species that is likely to become endangered within the foreseeable future. Missouri’s state list mirrors these definitions but is administered independently by the Missouri Department of Conservation (MDC).

The Missouri Department of Conservation is the administrative, regulatory, and enforcement agency for state-listed species. If you have questions about a specific species or activity, MDC is your primary point of contact at the state level.

Federally Listed vs. State-Listed Endangered Animals in Missouri

Not every animal on Missouri’s state endangered list is also federally protected — and not every federally listed species appears on Missouri’s state list. Knowing the difference tells you which laws apply to any given encounter.

Missouri has approximately 45 federally-listed plant and animal species, though this number is subject to change as species’ population numbers continue to decline and more species are listed as threatened or endangered. The state’s own list, maintained under the Wildlife Code, covers additional species that Missouri has independently determined to be at risk.

Species listed in the Code under 3 CSR 10-4.111 and all federally listed endangered and threatened plants and animals protected by the Endangered Species Act of 1973 are protected by the State Endangered Species Law 252.240. This means that if a species carries a federal listing, Missouri’s state law automatically extends its protection umbrella over it as well.

Important Note: A species doesn’t need to appear on both lists to receive protection. If it’s on either list, you are legally required to avoid harming it, taking it, or disturbing its habitat in ways that could cause injury.

Some species occupy a middle ground. Candidate species are animal and plant species for which the U.S. Fish and Wildlife Service has sufficient information to propose them as endangered or threatened, but for which a proposed listing has not been processed because of higher priority listings. Candidate species do not yet carry full legal protection, but their status signals that populations are under serious pressure. You can explore the endangered animals in Virginia and endangered animals in Washington for comparison on how neighboring and other states manage parallel listing systems.

Notable Endangered Animals Found in Missouri

Missouri’s landscape — from the Ozark highlands to the Mississippi lowlands — supports a surprisingly diverse range of imperiled species. Here are some of the most notable animals currently listed as endangered in the state.

Ozark Hellbender

The Ozark hellbender is found only in Missouri and Arkansas. Its preferred habitat is large, fairly clear gravelly beds with rocks and logs. They can live up to thirty years and can reach up to 2.5 feet long, though 2 feet in length is average. The Ozark hellbender usually weighs around 4–5 pounds.

From 1991 to 1998 there was an 80% decrease in the population levels. There is also an Eastern hellbender subspecies in the U.S. and its population is slightly more stable than the Ozark hellbender, although both subspecies are declining at an alarming rate due to pollution, silt build-up, dams, and being killed by people either accidentally or purposefully.

Pallid Sturgeon

The pallid sturgeon is a ray-finned fish found only in the lower Mississippi and Missouri river basins. These fish were assessed as critically endangered in 2020. Only 11,700 mature individuals are left today. The subpopulation in the Lower Missouri River is primarily affected by habitat degradation and anthropogenic modification.

Gray Bat and Indiana Bat

The Mark Twain National Forest has potential habitat for 20 federally threatened, endangered, and candidate species in Missouri. They include the Northern Long-eared bat, gray bat, Indiana bat, and the Tricolored Bat. These cave-roosting bats face threats from white-nose syndrome, a fungal disease that has devastated bat populations across North America.

The eastern small-footed bat was listed as endangered in 2018 based on a possible 70% reduction in its geographic range. Although biologists believe their population isn’t constantly declining, eastern small-footed bats are at great risk of getting white-nose syndrome. Estimations indicate a 96% population decline.

Grotto Sculpin

The grotto sculpin is a rare fish adapted to cave conditions. It has recently been designated an endangered species under the Federal Endangered Species Act. It’s found only in Perry County, Missouri. Its extreme geographic limitation makes it one of the most vulnerable fish in the entire state.

Tumbling Creek Cavesnail

There are only 60 individuals left in the world and it is listed as endangered. The snail can be found in only one location in the world — Tumbling Creek Cave, located on private land in Taney County, Missouri. The primary cause of decline is believed to be decreased water quality in the cave stream.

Snuffbox Mussel

The snuffbox has been classified as endangered in Missouri and federally. It has a very limited range in southeastern Missouri and the Ozarks, primarily in the Bourbeuse, Meramec, and St. Francis rivers.

Bachman’s Sparrow

Bachman’s sparrow is a large, ground-nesting sparrow that lives in dry, scrubby areas. It is listed as endangered in Missouri, where its historic habitat is in decline. Habitat loss from fire suppression and land conversion has eliminated much of the open pine woodland this bird depends on.

Pro Tip: The Missouri Department of Conservation’s online Field Guide lists every state-endangered species with photos, range maps, and habitat descriptions — a useful reference before heading into the field.

You can also compare Missouri’s situation to endangered animals in West Virginia, another Midwestern state dealing with cave-adapted and river-dependent species under similar pressures. Missouri’s venomous animals — including the prairie massasauga rattlesnake, which is state-listed — also overlap with the endangered species conversation, since some venomous species face population declines of their own.

What You Cannot Do Around Endangered Animals in Missouri

The legal restrictions around endangered species in Missouri are more specific than most people realize. The core prohibition applies to “taking” a species — but that word covers far more than shooting or trapping.

Section 9 of the ESA prohibits “taking” of species listed as endangered or threatened under the Act. The term “take” is defined as harass, harm, pursue, hunt, shoot, wound, kill, trap, capture, or collect, or attempt to engage in any such conduct.

The term “harm” is defined as significant habitat modification or degradation that results in death or injury to listed species by significantly impairing essential behavioral patterns, including breeding, feeding, or sheltering. The term “harass” is defined as actions that create the likelihood of injury to listed species to such an extent as to significantly disrupt normal behavioral patterns, which include, but are not limited to, breeding, feeding, or sheltering.

In practical terms, this means the following actions are prohibited without a permit:

• Hunting, trapping, or collecting any listed animal
• Handling, possessing, or transporting a listed species (alive or dead)
• Selling or purchasing a listed species or its parts
• Destroying, altering, or degrading habitat in ways that injure listed animals
• Disturbing a listed animal during breeding, nesting, feeding, or sheltering

In addition to taking a species, delivering, receiving, selling, purchasing, or transporting a threatened or endangered animal species is prohibited without a permit, whether the species is alive or dead. Permits are also required for individual or group activities that involve interfering with a species’ habitat.

Common Mistake: Many people assume that unintentional disturbance is legal. It is not. The ESA’s definition of “harass” includes negligent acts that disrupt normal behavioral patterns — meaning accidental harm can still trigger legal consequences.

The ESA provides for the protection of threatened and endangered species and the habitats that are considered critical to the survival of these species, including breeding, nesting, roosting, and foraging areas. This is especially relevant if you’re near known habitat areas like cave systems, Ozark stream corridors, or Bootheel wetlands. Missouri’s caves receive additional protection: caves can provide habitat for sensitive species, including those that are federally or state protected. Missouri State Statutes protect caves from trespass, vandalism, contamination, and destruction.

The Wildlife Code of Missouri prohibits the pursuit, taking, possession, or any use of wildlife except as provided in the Code. This state-level prohibition runs parallel to the federal ESA and applies to all native wildlife, not just listed species.

Endangered Species on Private Land in Missouri

One of the most common misconceptions about endangered species law is that it only applies to public lands. It does not. If a listed animal lives on, migrates through, or uses your property, federal and state protections still apply.

Animal species are considered public resources, even when on private land. Federal law prohibits killing or “taking” an endangered or threatened animal or harming its habitat; exceptions may be provided in some cases.

However, Missouri’s state law draws an important distinction between animals and plants. In Missouri, state-endangered animals — not their habitats — are protected under state law. This means that while you cannot harm the animal itself, Missouri’s state-level rules are narrower than federal rules when it comes to habitat modification on private land. Federal habitat protections still apply for federally listed species regardless of land ownership.

If your planned activity — such as clearing land, draining wetlands, or altering a stream — could affect a federally listed species, you may need to pursue an incidental take permit. Individuals engaging in activities that might result in the taking of a protected species must abide by a Habitat Conservation Plan (HCP), which includes information on how to mitigate or minimize any impacts to the species or its habitat.

The USFWS may, under specified circumstances, issue permits that allow the take of federally listed species, provided that the take is incidental to, but not the purpose of, otherwise lawful activity. Non-federal entities may obtain an “incidental take permit” for the take of listed species under Section 10(a)(1)(B), after development and approval of a Habitat Conservation Plan (HCP).

Key Insight: If you’re a landowner and you discover a listed species on your property, the best first step is to contact MDC or USFWS before taking any action. Early consultation can prevent costly legal problems and often results in workable solutions.

Missouri also recognizes voluntary stewardship as a path forward. Active restoration efforts are taking place on private lands to help improve water quality for species like the Tumbling Creek cavesnail, demonstrating that private landowners can play a positive role in recovery efforts. Learning about extinct animals puts the stakes in perspective — the species on Missouri’s endangered list today could become tomorrow’s extinctions without active protection on both public and private ground. If you raise farm animals, understanding how agricultural runoff and stream modification affect listed aquatic species is also worth knowing.

How to Report an Endangered Animal Sighting in Missouri

Your observations in the field have real scientific value. Missouri’s conservation agencies actively rely on public sightings to track population trends, confirm range boundaries, and identify new threats to listed species.

The Missouri Department of Conservation maintains a formal process for submitting species reports. MDC requests that you submit reports of all sightings of species and natural communities listed in their checklist on the forms provided. Special criteria apply to birds and reports should follow the guidelines listed in Appendix A of the checklist.

Here’s how to report effectively:

1. Document the sighting carefully. Record the date, time, exact location (GPS coordinates if possible), and the animal’s behavior. Photographs are extremely helpful.
2. Identify the species if you can. Use MDC’s online Field Guide or a reliable field guide for Missouri wildlife. Do not handle or approach the animal to get a better look.
3. Contact MDC directly. You can reach the Missouri Department of Conservation through their website or regional offices. The Natural Heritage Program within MDC manages the statewide database of rare species occurrences.
4. Use iNaturalist or similar platforms. Citizen science platforms like iNaturalist feed verified observations into databases used by conservation agencies. Missouri biologists actively monitor these submissions.
5. Report to USFWS for federally listed species. If you believe you’ve encountered a federally listed animal — especially one that appears injured or dead — contact the U.S. Fish and Wildlife Service Midwest Region as well.

The Missouri Natural Heritage Program receives biological data from the Missouri Natural Features Inventory, field biologists, universities, scientific literature, herbaria, and other individuals and organizations. Public sightings fit directly into this network and can trigger follow-up surveys in areas that haven’t been formally monitored.

Pro Tip: When photographing an endangered species for a report, prioritize keeping your distance. A clear photo taken from 20 feet away is far more useful — and legally safer — than a close-up that required you to disturb the animal.

For cave-dwelling species, reporting is especially critical. The Forest Service conducts population studies and surveys for many species in cooperation with the Missouri Department of Conservation, the U.S. Fish and Wildlife Service, and other partners, including universities, the Northern Research Station, and the Cave Research Foundation. If you encounter what appears to be a cave-adapted fish, bat, or invertebrate, that information can directly inform ongoing survey efforts.

Penalties for Harming or Taking an Endangered Animal in Missouri

The consequences for violating endangered species law in Missouri are serious at both the federal and state levels. Ignorance of a species’ protected status is not a recognized legal defense.

Under federal law, the penalties are substantial. Any individual that knowingly takes a listed species can be fined up to $25,000 by the federal government for each violation. Criminal penalties under the ESA can also include imprisonment for up to one year per violation. Each individual act of taking counts as a separate violation, meaning penalties can compound quickly.

Missouri’s state law adds another layer of consequences. The State of Missouri maintains endangered species legislation that protects these species under the Revised Statutes of Missouri, RSMo Section 252.240 and the Missouri Wildlife Code. Violations of the Wildlife Code can result in fines, loss of hunting and fishing licenses, and criminal charges depending on the severity of the offense.

Beyond intentional violations, accidental harm can also carry legal weight. The U.S. Fish and Wildlife Service defines harm to mean “an act which actually kills or injures wildlife.” Harassment of a species is defined as “an intentional or negligent act or omission which creates the likelihood of injury to wildlife by annoying it to such an extent as to significantly disrupt normal behavioral patterns.”

Important Note: If you accidentally kill or injure an endangered animal — for example, during construction or land-clearing work — you are legally required to report it. Attempting to conceal the incident can result in significantly higher penalties than the original violation.

State governments may apply further restrictions on the taking of an endangered or threatened species beyond what federal law requires. Missouri exercises this authority through the Wildlife Code, which gives MDC enforcement power over both state-listed and federally listed species within the state.

If you’re involved in any project near known endangered species habitat — from land development to stream restoration — consulting with MDC’s Missouri Natural Heritage Program before breaking ground is the safest approach. Their staff can flag potential issues and guide you toward compliant practices. Understanding the full range of Missouri’s wildlife — including species that share habitat with endangered animals, like those profiled in guides on animals that eat snakes or animals native to Australia for ecological context — can deepen your appreciation for why biodiversity protection matters. Missouri’s threatened species are not isolated cases; they reflect the health of entire ecosystems that support everything from stray animals to the most colorful animals in the region.

Missouri’s endangered species laws are not obstacles — they are the legal framework that keeps rare animals from disappearing entirely. Knowing what those laws require puts you in a position to act responsibly, whether you’re hiking through Ozark stream corridors, managing farmland near a river, or simply curious about what’s still out there.