Oklahoma Wildlife Authority

Opossums in Oklahoma – Behavior, Risks & Humane Exclusion Guide

Opossums are common nocturnal wildlife in Oklahoma, especially in Oklahoma City, Tulsa, Edmond, Norman, Moore, Midwest City, Yukon, Broken Arrow, and surrounding rural areas. They are the only marsupial native to North America, highly adaptable, and often come into conflict with homeowners due to garbage raids, attic visits, or pet food consumption. This page provides an Oklahoma-focused guide for identifying opossums, understanding their habits, preventing conflicts, and implementing humane exclusion methods.

Tip: Early detection and prevention can protect your home, garden, and pets while preserving Oklahoma’s native wildlife.

Common Opossum Species in Oklahoma

Oklahoma is home to the Virginia Opossum (Didelphis virginiana), the only opossum species in the state:

  • Appearance: Medium-sized (4–14 lbs), grayish fur, long hairless prehensile tail, pointed snout, white face with dark ears
  • Behavior: Nocturnal, solitary, slow-moving, climbs fences and trees easily
  • Habitat: Urban neighborhoods, farmland, wooded areas, and near water sources like ponds, creeks, or irrigation ditches

Opossums are highly adaptable and can den in attics, crawlspaces, sheds, decks, and hollow trees.

Behavior & Activity Patterns in Oklahoma

Opossums are mostly nocturnal and exhibit:

  • Travel 1–2 miles nightly in search of food and water
  • Climb trees, fences, and structures to access shelters
  • Nest in attics, crawlspaces, under decks, sheds, or in hollow trees
  • Forage opportunistically for pet food, garbage, insects, small animals, and fruit
  • Play dead (“playing possum”) when threatened
  • Mothers carry young in a pouch for several weeks; then young ride on her back

Opossums are generally docile but may hiss, growl, or bare teeth if cornered.

Food Sources & Attractants in Oklahoma

Opossums are omnivores and are drawn to human areas in Oklahoma due to:

  • Garbage cans and compost bins
  • Pet food left outside
  • Birdseed or spilled grains
  • Fruits, vegetables, and garden scraps
  • Small rodents, insects, frogs, or carrion
  • Water sources like ponds, creeks, and AC runoff

Neighborhoods with gardens, orchards, and bird feeders often experience higher opossum activity.

Common Entry Points into Oklahoma Homes

Opossums are skillful climbers and can exploit small gaps to enter structures:

  • Attic vents, gable vents, or soffits
  • Loose shingles or roofline gaps
  • Crawlspace doors or basement vents
  • Decks, sheds, and storage areas
  • Chimneys or hollow trees near structures

Adult opossums can squeeze through 4–6 inch openings, smaller for juveniles.

Signs of Opossum Activity

Oklahoma homeowners may notice:

  • Nocturnal scratching, rustling, or thumping in attics, crawlspaces, or sheds
  • Tracks with five toes and small claw marks in mud or dirt
  • Droppings in attic corners, yards, or crawlspaces
  • Scattered garbage or raided compost bins
  • Damage to garden produce or bird feeders
  • Strong musky odor from denning or urine

Opossum damage is usually localized but persistent, particularly near nesting sites or food sources.

Risks & Damage Caused by Opossums

Opossums pose several risks in Oklahoma:

  • Structural damage to attics, roofs, decks, and sheds
  • Chewed insulation, wiring, or stored items
  • Potential disease vectors: leptospirosis, fleas, ticks, and occasional rabies
  • Contamination from droppings and urine
  • Pet food loss and garden damage
  • Attracting other predators due to nesting or food sources

Opossums are less aggressive than raccoons but still require careful exclusion.

Humane Opossum Exclusion Methods (Oklahoma-Friendly)

Humane exclusion is preferred for Oklahoma homeowners:

1. Full Property & Home Inspection

  • Identify den locations, travel paths, and food/water attractants
  • Inspect attics, crawlspaces, sheds, decks, and hollow trees

2. Seal Entry Points

  • Hardware cloth, steel mesh, or metal flashing on vents and openings
  • Secure crawlspace doors, attic vents, and soffits
  • Check roofline gaps and decks for hidden access

3. Remove Food & Water Attractants

  • Secure trash and compost bins
  • Bring pet food indoors
  • Protect bird feeders
  • Remove fallen fruit or garden scraps

4. Habitat Modification

  • Trim trees or overhanging branches
  • Close gaps in sheds, decks, and storage areas
  • Maintain attics and crawlspaces in good repair

5. Ethical Timing

  • Avoid sealing dens during spring or early summer when young are present
  • Relocate juveniles only when adults have left

6. Long-Term Monitoring

  • Inspect sealed points seasonally
  • Recheck after storms, construction, or roof repairs

Seasonal Activity Patterns in Oklahoma

  • Winter: Seek warm dens under decks, sheds, or attics; reduced outdoor movement
  • Spring: Birth season; increased activity and denning
  • Summer: Juveniles begin exploring; moderate nightly foraging
  • Fall: Searching for food caches; preparing for winter shelter

Opossums are highly adaptable and remain active year-round in Oklahoma’s climate.

FAQ – Oklahoma Opossums

Q1: How can I tell if I have an opossum in my attic or crawlspace?
A1: Look for nocturnal scratching, droppings, tracks with five toes, and musky odor.

Q2: Are opossums dangerous to humans or pets?
A2: They are generally docile but may hiss or bare teeth if cornered. They can carry fleas, ticks, and rarely rabies.

Q3: When do opossums give birth in Oklahoma?
A3: Spring (March–May); juveniles ride on their mother’s back for several weeks.

Q4: How can I remove opossums humanely?
A4: Use one-way exclusion devices, seal entry points, remove attractants, and monitor seasonal activity.

Q5: How can I prevent opossums from returning?
A5: Secure trash, remove pet food or fallen fruit, trim trees near structures, and seal attic or deck access points.

Q6: Can I relocate juvenile opossums?
A6: Only when the mother is absent and juveniles are old enough to survive independently.