C-SWHC study materials
C-SWHC study resources

C-SWHC cheat sheet

C-SWHC · Keep the key ideas within reach.

Quick reference

Wildlife Health Assessment and Clinical Evaluation

  • Minimum database for a stranded or admitted wild animal: body weight and body condition, hydration status, packed cell volume and total solids, blood glucose, and a full physical exam before any treatment.

  • Body condition scoring in wild species relies on palpation of ribs, spine, pelvic rim, and fat depots; a score outside the species-typical range predicts poor release prognosis.

  • Reference intervals for free-ranging species differ from captive and domestic values; interpret hemograms and chemistry against species-, age-, and season-matched references.

  • Restraint-induced artifacts are common: capture stress raises glucose, creatine kinase, lactate, and heterophil-to-lymphocyte ratio, so draw samples as soon as possible after capture.

  • Reptile and amphibian evaluation depends on environmental temperature; core body temperature below the preferred optimal range depresses immune function and distorts blood values.

  • Avian physical exam sequence: weight, keel and pectoral muscle, oral cavity, nares, coelom, vent, feathers, and a fundic exam for ocular lesions in raptors.

  • Neurologic assessment in wild mammals uses menace, pupillary light reflex, proprioception, and gait observation; abnormal findings must be documented before release decisions.

  • A complete admission record includes species, sex, age class, location and date of find, and handler; these data support both clinical care and population-level analysis.

Quick reference

Wildlife Rehabilitation and Emergency Care

  • Initial stabilization order: warmth, then fluids, then analgesia, then diagnostics; hypothermic animals cannot metabolize drugs or rewarm effectively without external heat support.

  • Fluid resuscitation in birds and mammals uses warmed isotonic crystalloids at roughly 10-20 mL/kg bolus for shock, repeated to effect; subcutaneous routes are inadequate in shock.

  • Hypoglycemia in small birds and mammals is treated with dextrose solution; 50% dextrose is diluted before use to avoid tissue necrosis and osmotic injury.

  • Capture myopathy is a syndrome of exertional rhabdomyolysis; prevention means minimal handling time, blindfolds, thermal support, and sedation when indicated.

  • Fracture triage in birds: wing fractures distal to the elbow carry a better release prognosis than proximal humeral or shoulder fractures.

  • Wound management principles: copious lavage, debridement of devitalized tissue, moist wound healing, and delayed primary closure in contaminated wildlife wounds.

  • Orphaned mammal care hinges on species-specific milk composition; cow's milk causes diarrhea in most wild neonates because of lactose and protein mismatch.

  • Release criteria: healed injuries, restored flight or locomotion, appropriate fear of humans, seasonal timing, and a suitable release site within the native range.

Quick reference

Infectious Disease Management and Biosecurity

  • Quarantine new arrivals for a minimum of 30 days, with species-appropriate testing, before commingling with resident animals.

  • Zoonotic and reportable diseases of wildlife include rabies, highly pathogenic avian influenza, West Nile virus, leptospirosis, and chronic wasting disease; notify authorities per local regulation.

  • Biosecurity hierarchy: isolate infected animals, use dedicated equipment per enclosure, hand hygiene between animals, and directional flow from clean to dirty areas.

  • Disinfection requires cleaning first; organic debris inactivates most disinfectants. Match the disinfectant to the pathogen (enveloped viruses are susceptible to most; parvoviruses and coccidia need stronger agents).

  • Avian influenza response in a rehabilitation setting includes cohorting by species and site, limiting visitors, and using personal protective equipment for carcass handling.

  • White-nose syndrome in bats is caused by the fungus Pseudogymnoascus destructans; suspect cases require isolation and reporting to wildlife authorities.

  • Rabies risk management: any wild mammal with neurologic signs is a rabies suspect; unvaccinated staff exposure requires immediate medical evaluation.

  • Surveillance data from rehabilitation admissions can detect emerging pathogens early; record and report unusual mortality events.

Quick reference

Zoonotic Disease and Public Health Considerations

  • High-risk zoonoses in wildlife practice: rabies, baylisascariasis, leptospirosis, tularemia, plague, salmonellosis, and dermatophytosis.

  • Rabies post-exposure prophylaxis is indicated for bites or mucous membrane exposure from a suspect mammal; pre-exposure vaccination is recommended for staff at risk.

  • Personal protective equipment minimum for handling wildlife: gloves, eye protection, and a mask or respirator when aerosol or splash risk exists.

  • Raccoon roundworm (Baylisascaris procyonis) eggs survive in soil for years; hand washing and avoiding unprotected contact with raccoon latrines are the main controls.

  • Leptospirosis is spread by urine of infected mammals; it enters through mucous membranes and skin breaks, and rodent control plus waterproof barriers reduce risk.

  • Pregnant and immunocompromised staff should be counseled about specific risks such as Toxoplasma, lymphocytic choriomeningitis virus from rodents, and Chlamydia psittaci from birds.

  • Wildlife rehabilitation facilities should maintain written zoonosis protocols, exposure logs, and a designated medical contact for staff exposures.

  • Salmonellosis from reptiles and amphibians is a recognized risk; hand hygiene after contact and exclusion of high-risk animals from children's programs reduce transmission.

Quick reference

Wildlife Nutrition and Husbandry

  • Raptors are carnivores requiring whole-prey diets; muscle meat alone causes calcium deficiency and metabolic bone disease.

  • Insectivorous reptiles and amphibians need calcium supplementation and gut-loaded insects; a calcium-to-phosphorus ratio near 2:1 is a common target for growing animals.

  • Herbivore hindgut fermenters such as rabbits and many rodents require high-fiber diets; abrupt dietary change causes dysbiosis and diarrhea.

  • Neonatal formula composition should match the species' milk: deer and rabbit milk is concentrated, while many carnivore milks are higher in protein and fat than cow's milk.

  • Energy needs scale with body mass; basal metabolic rate scales approximately with mass to the 0.75 power, so small species need more energy per unit mass.

  • Thermoregulation support: ectotherms require a temperature gradient with a preferred optimal temperature zone; endotherm neonates require an incubator with humidity control.

  • Enclosure design must provide species-appropriate space, substrate, hiding cover, perches, and enrichment to prevent stereotypic behavior and feather or fur damage.

  • Water quality in aquatic enclosures is monitored for ammonia, nitrite, nitrate, pH, and temperature; poor water quality is a common cause of morbidity in turtles and fish.

Quick reference

Anesthesia, Analgesia, and Surgery in Wildlife

  • Anesthetic protocols are species-specific; ketamine combined with a benzodiazepine or alpha-2 agonist is common in mammals, while birds often receive isoflurane or sevoflurane via mask or intubation.

  • Pre-anesthetic fasting is short in birds because of high metabolic rate and risk of hypoglycemia; prolonged fasting is avoided.

  • Monitoring during anesthesia includes heart rate, respiratory rate, mucous membrane color, reflexes, and temperature; hypothermia is the most common complication in small patients.

  • Analgesia is required for painful procedures; opioids, nonsteroidal anti-inflammatory drugs, and local anesthetics are used with attention to species-specific toxicity.

  • Reptiles have variable and temperature-dependent drug responses; calculate doses by body weight and maintain species-appropriate temperature during and after anesthesia.

  • Surgical asepsis for wildlife follows the same principles as domestic practice: sterile field, instrument sterilization, and appropriate draping.

  • Orthopedic fixation in birds and small mammals uses light-weight implants; external coaptation alone is adequate for many closed fractures.

  • Postoperative care includes thermal support, analgesia, nutritional support, and monitoring for self-trauma; some species require Elizabethan collars or body wraps.

Quick reference

Conservation Medicine and Population Health

  • Conservation medicine links individual animal health to population and ecosystem health; rehabilitation data can inform population-level surveillance.

  • Disease surveillance in free-ranging populations uses stratified sampling by species, age, sex, and location to estimate prevalence and detect outbreaks.

  • Population viability analysis incorporates mortality, reproduction, and environmental stochasticity; health data improve model accuracy.

  • Wildlife health investigations of mortality events follow a systematic approach: case definition, case finding, hypothesis generation, and laboratory confirmation.

  • Antimicrobial resistance in wildlife reflects environmental contamination; surveillance in wild species can serve as an indicator of ecosystem antimicrobial use.

  • Rehabilitation release decisions affect population genetics and disease spread; releasing animals outside native range or with unknown health status is a conservation risk.

  • One Health frameworks integrate human, animal, and environmental health; wildlife clinicians contribute to zoonotic and emerging disease detection.

  • Habitat loss and climate change alter disease dynamics; range shifts can bring naive species into contact with new pathogens.

Quick reference

Regulatory, Ethical, and Legal Aspects of Wildlife Care

  • In the United States, migratory birds are protected under the Migratory Bird Treaty Act; possession and rehabilitation require federal permits.

  • State wildlife agencies regulate rehabilitation permits, species eligibility, and release criteria; federal permits are required for threatened and endangered species.

  • The Endangered Species Act prohibits take of listed species; rehabilitation of listed species requires specific authorization.

  • The Lacey Act prohibits interstate transport of illegally taken wildlife; documentation must accompany any animal movement across state lines.

  • Ethical principles in wildlife care: minimize suffering, prioritize release of viable animals, and avoid habituating animals to humans.

  • Euthanasia is appropriate for animals with untreatable conditions or poor release prognosis; it must follow accepted humane methods.

  • Record-keeping requirements often include acquisition and disposition records, medical records, and annual reports to permitting agencies.

  • Confidentiality and data sharing: location data for sensitive species may be restricted to prevent poaching or disturbance.

Quick reference

Facility Management and Record Keeping

  • Medical records should document signalment, history, physical exam, diagnostics, treatments, and outcomes in a consistent, legible format.

  • Daily logs record food intake, weight, behavior, and enclosure conditions; trends are more informative than single observations.

  • Isolation and quarantine areas must be physically separate with dedicated equipment and separate airflow where possible.

  • Facility design includes secure enclosures, escape prevention, pest control, and a necropsy area for carcass examination.

  • Inventory control for drugs and supplies includes expiration tracking and controlled-substance logs where applicable.

  • Emergency preparedness plans cover power failure, fire, flood, and mass casualty intake, with contact lists and evacuation routes.

  • Staff training records document handling, zoonosis, and biosecurity training, supporting both compliance and safety.

  • Data management includes backup of electronic records and retention schedules consistent with permit requirements.