Species Risk Assessment: Reptiles

This document provides species-specific risk assessments for all reptile species in the Pets on the Green collection. Each species profile includes temperament, handling procedures, health monitoring requirements, and safety protocols.

Assessed by:	Ciera O'Rourke
Review Date:	April 2026 (reviewed annually or when collection changes)
Veterinary Care:	Mark Rowland MRCVS, Trinity Veterinary Centre, Maidstone

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AQUATIC TURTLES & TERRAPINS

1. Map Turtle

Temperament Profile:

• Juvenile: Nervous, quick to retract into shell, may bite if handled roughly
• Adult: Generally calm when accustomed to handling, but can be defensive
• Bite risk: Medium - sharp beak capable of breaking skin
• Scratch risk: Low - webbed feet, short claws

Handling Procedures:

• Remove from water using net or scoop - never grab from above
• Allow excess water to drain before passing to participant
• Hold by shell (mid-section), avoiding head and tail
• Use handling towel to prevent slipping
• Keep handling brief (5-10 minutes) - semi-aquatic species stress out of water
• Handle over basin/tray to catch if dropped
• Wash hands immediately after handling (salmonella risk)

Health Monitoring:

• Daily: Activity level, appetite, swimming behaviour, basking behaviour
• Weekly: Shell condition (no soft spots, no shell rot), eye clarity, skin condition
• Monthly: Weight check, beak and claw length
• Signs of illness: Lethargy, refusing food, cloudy eyes, shell damage, respiratory distress (open-mouth breathing)

Suitability for Handling:

• Suitable for: Older children (8+), adults, experienced handlers
• Good for: Educational demonstrations about aquatic reptiles
• Not suitable for: Young children (under 8), very anxious individuals, those with weakened immune systems

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2. Diamondback Terrapin

Temperament Profile:

• Juvenile: Shy, retracts readily, may musk (release foul odor) when stressed
• Adult: Calmer with regular handling, can become defensive during breeding season
• Bite risk: Medium - powerful jaws, can deliver painful bite
• Scratch risk: Low-Medium - stronger claws than map turtle

Handling Procedures:

• Same as map turtle - net from water, allow draining
• Hold firmly by shell mid-section - terrapins more powerful than map turtles
• Be prepared for musking (foul smell) - normal defense mechanism
• Use thick handling towel for secure grip
• Maximum 10 minutes out of water
• Never handle if showing aggression (hissing, lunging)
• Mandatory hand sanitizer after handling

Health Monitoring:

• Daily: Swimming strength, appetite, basking time, alertness
• Weekly: Shell integrity (diamond pattern clear, no pyramiding), skin condition, eye health
• Monthly: Weight, beak/claw length, carapace measurements
• Signs of illness: Buoyancy problems, swollen eyes, lethargy, refusal to bask

Suitability for Handling:

• Suitable for: Confident handlers, adults, older children with supervision
• Good for: Demonstrating brackish water adaptations
• Not suitable for: Young children, nervous handlers, immunocompromised individuals

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TORTOISES

3. Aldabra Tortoise

Temperament Profile:

• Juvenile: Curious, active, generally docile, may bite food mistaken for fingers
• Adult: Very calm, slow-moving, extremely tolerant of handling, can live 100+ years
• Bite risk: Low-Medium - strong beak, may mistake fingers for food (especially lettuce-smelling hands)
• Scratch risk: Very Low - blunt claws, slow movements
• Weight consideration: Adults can reach 250kg+ - not suitable for lifting by participants

Handling Procedures:

• Juvenile: Lift with both hands supporting plastron (bottom shell), never by legs or tail
• Adult: No lifting - bring participants to tortoise, not tortoise to participants
• Stroking allowed on shell, head (if tortoise extends it), and legs
• Avoid touching face/eyes or inserting fingers near mouth
• Can be handled for extended periods (up to 30 minutes) with no stress
• Outdoor handling preferred - natural environment, plenty of space
• Hand hygiene mandatory after touching

Health Monitoring:

• Daily: Appetite, activity level, basking behaviour, fecal output
• Weekly: Shell condition (smooth growth, no pyramiding), eye clarity, skin hydration, beak length
• Monthly: Weight, carapace measurements, limb mobility
• Seasonal: Prepare for hibernation/brumation if species appropriate
• Signs of illness: Runny nose, closed eyes, lethargy, soft shell, loss of appetite

Suitability for Handling:

• Suitable for: ALL ages, SEN, dementia care, nervous handlers, wheelchair users
• Good for: Reminiscence therapy, calming presence, educational talks, outdoor sessions
• Excellent first reptile for children - slow, predictable, non-threatening
• Caution: Adult size means no lifting - plan accordingly

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LIZARDS: CHAMELEONS

4. Panther Chameleon

Temperament Profile:

• Juvenile: Skittish, stress-prone, colour changes indicate mood, easily overwhelmed
• Adult: Can become habituated to handling but inherently stress-prone species
• Bite risk: Low-Medium - can bite if cornered but rarely breaks skin
• Scratch risk: Low - weak grip, no sharp claws
• Stress indicators: Dark colors, gaping mouth, hissing, puffing body

Handling Procedures:

• MINIMAL HANDLING - visual demonstrations preferred
• Never grab from above - chameleons perceive this as predator attack
• Offer hand below chameleon, allow it to walk onto hand voluntarily
• Support body fully - chameleons have delicate rib cages
• Keep handling under 5 minutes - highly stress-prone
• Only handle in calm, quiet environment
• Never handle if showing stress colours or defensive posture
• Maximum 1-2 handling sessions per week
• Observation-only for large groups

Health Monitoring:

• Daily: Eye turret movement, tongue projection, colour brightness, appetite
• Weekly: Weight, hydration (urates should be white not yellow/orange), skin shedding
• Monthly: Casque development, grip strength, overall body condition
• Signs of illness: Closed eyes during day, gaping, dark colours consistently, lethargy, swollen joints, metabolic bone disease (MBD) signs

Suitability for Handling:

• Suitable for: OBSERVATION primarily, experienced handlers only for brief handling
• Good for: Visual education (colour change, eye movement, tongue), photography
• Not suitable for: Young children handling, large groups, extended sessions, noisy environments
• Not suitable for: SEN sessions where unpredictability causes anxiety

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LIZARDS: GECKOS

5. Leachianus Gecko (New Caledonian Giant Gecko)

Temperament Profile:

• Juvenile: Nervous, jumpy, may drop tail if startled, can be nippy
• Adult: Generally calm when well-socialised, but can be territorial/defensive
• Bite risk: MEDIUM-HIGH - powerful jaws, can deliver painful bite and lock on
• Scratch risk: Medium - sharp claws for climbing
• Tail drop: Low risk with gentle handling, but possible if roughly grabbed

Handling Procedures:

• Handle with confidence - hesitation triggers defensive response
• Scoop from below, support entire body - never grab from above
• Allow gecko to grip handler's hand/arm naturally
• Keep fingers away from mouth - bite can draw blood
• Never grab tail - tail drop defense mechanism
• Handle over soft surface in case of jump
• Maximum 15-20 minutes handling
• Only experienced handlers or closely supervised

Health Monitoring:

• Daily: Activity level (crepuscular/nocturnal), appetite, fecal output
• Weekly: Skin shedding (should shed in one piece), weight, toe/tail condition
• Monthly: Overall body condition, femoral pore development (males)
• Signs of illness: Lethargy, stuck shed on toes/tail, weight loss, regurgitation, MBD

Suitability for Handling:

• Suitable for: Experienced handlers, confident older children (12+), adults
• Good for: Demonstrating arboreal adaptations, discussing New Caledonian wildlife
• Not suitable for: Young children, nervous handlers, large groups, quick movements

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6. Crested Gecko

Temperament Profile:

• Juvenile: Skittish, fast-moving, frequent jumpers, fragile
• Adult: Calmer, more handleable, still prone to sudden jumps
• Bite risk: Very Low - rarely bite, too small to cause injury
• Scratch risk: Very Low - soft toe pads (sticky feet)
• Tail drop: HIGH RISK - tails do not regenerate, permanent loss if dropped

Handling Procedures:

• GENTLE HANDLING ESSENTIAL - very delicate species
• Scoop carefully from below, cup hands loosely
• NEVER restrain or grab - will drop tail
• NEVER grab tail - tail loss is permanent (does not regenerate)
• Allow to walk hand-to-hand, be prepared for jumps
• Handle over soft surface or handling basket
• Keep handling brief (5-10 minutes max)
• Supervise children closely - teach gentle touch beforehand

Health Monitoring:

• Daily: Activity (nocturnal), feeding response, fecal matter
• Weekly: Weight, shedding, tail intact, eyelash crests visible
• Monthly: Body condition, toe pad health
• Signs of illness: Sunken eyes (dehydration), weight loss, floppy tail syndrome, stuck shed, lethargy

Suitability for Handling:

• Suitable for: Calm, gentle handlers, older children (8+) with supervision
• Good for: Teaching gentle handling, discussing nocturnal adaptations
• Not suitable for: Young children (under 8), impulsive handlers, large groups
• CRITICAL: Brief handlers on tail drop risk before handling

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7. Leopard Gecko

Temperament Profile:

• Juvenile: Generally calm, may be squirmy, tail-wavy when nervous
• Adult: Extremely docile, tolerates handling well, one of calmest gecko species
• Bite risk: Very Low - rarely bite, gentle if they do
• Scratch risk: Very Low - small claws, slow-moving
• Tail drop: Medium risk if roughly handled, but tail regenerates

Handling Procedures:

• Easy to handle - ideal beginner reptile
• Scoop gently from below, support body fully
• Allow to walk hand-to-hand at own pace
• Avoid grabbing tail - can drop if threatened
• Keep sessions 10-15 minutes to prevent stress
• Cool to touch - explain to handlers this is normal
• Can be handled frequently without stress (unlike chameleons)

Health Monitoring:

• Daily: Appetite, fecal output, activity (crepuscular/nocturnal)
• Weekly: Weight, tail thickness (fat storage), shedding, eye clarity
• Monthly: Body condition score, femoral pore development (males)
• Signs of illness: Sunken eyes, thin tail, stuck shed (especially toes), lethargy, impaction, MBD

Suitability for Handling:

• Suitable for: ALL ages (5+), SEN, nervous handlers, beginners, dementia care
• Good for: First reptile experience, sensory sessions (cool touch, soft skin, slow movement)
• EXCELLENT for: Building confidence with reptiles
• Caution: Still avoid rough handling to prevent tail drop

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LIZARDS: SKINKS

8. Blue-Tongued Skink

Temperament Profile:

• Juvenile: Can be defensive, may hiss and tongue-flick, requires patient socialisation
• Adult: Generally docile and curious when well-handled, very tolerant
• Bite risk: Medium - can bite if threatened, strong jaws but rarely aggressive
• Scratch risk: Low-Medium - short legs with small claws
• Defense display: Blue tongue flash, hissing, flattening body - impressive but usually bluff

Handling Procedures:

• Support entire body - heavy-bodied lizard (300-600g)
• Scoop from below with both hands under body
• Never pick up by tail - can drop tail
• Allow to settle in hands before moving
• Keep hands away from face during feeding times
• Sturdy species - can handle 15-20 minute sessions
• Fascinating for demonstrations - blue tongue display
• Warm to touch compared to other reptiles - often surprises handlers

Health Monitoring:

• Daily: Appetite, activity level, basking behaviour, tongue color (bright blue = healthy)
• Weekly: Weight, skin condition, shedding, fecal output
• Monthly: Body condition, limb mobility, overall vigour
• Signs of illness: Lethargy, loss of appetite, respiratory distress, pale tongue, MBD, retained shed

Suitability for Handling:

• Suitable for: Most ages (6+), confident handlers, educational demonstrations
• Good for: Teaching about Australian wildlife, demonstrating defense mechanisms
• Excellent: Sturdy, predictable, fascinating blue tongue display
• Not suitable for: Very young children (under 6), those intimidated by larger lizards

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9. Bearded Dragon

Temperament Profile:

• Juvenile: Active, curious, may be skittish initially, food-motivated
• Adult: Extremely calm and docile, enjoys human interaction, one of friendliest reptiles
• Bite risk: Very Low - rarely bite, gentle temperament
• Scratch risk: Low-Medium - claws can scratch but not aggressive
• Communication: Head bobbing, arm waving, beard puffing/darkening

Handling Procedures:

• Very easy to handle - ideal ambassador animal
• Support body with one hand under chest, other supporting back legs
• Can rest on lap, shoulder, or arm
• Often becomes calm and still when handled - may close eyes contentedly
• Warm to touch - good for sensory experiences
• Can handle extended sessions (20-30 minutes) without stress
• Rough/spiky texture interesting for tactile exploration
• Watch for beard darkening (stress signal) and return to vivarium if seen

Health Monitoring:

• Daily: Appetite, basking time, activity level, alertness
• Weekly: Weight, beard color (should be pale when relaxed), shedding progress
• Monthly: Body condition, limb mobility, eye clarity, nail length
• Seasonal: Brumation preparation (winter slowdown)
• Signs of illness: Lethargy, glass surfing (pacing), black beard persistently, MBD, impaction, respiratory infection

Suitability for Handling:

• Suitable for: ALL ages (3+), SEN, dementia care, nervous handlers, wheelchair users
• Good for: Building confidence, sensory sessions (warm, rough texture), educational talks
• EXCELLENT: One of best reptiles for handling - calm, predictable, tolerant
• Ideal for: Care homes, schools, birthday parties, first reptile experience

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SNAKES

10. Royal Python (Ball Python)

Temperament Profile:

• Juvenile: Can be defensive initially, may ball up when stressed, requires gentle socialisation
• Adult: Extremely docile and calm, slow-moving, tolerates handling very well
• Bite risk: Very Low - rarely bite, defensive posture is to ball up, not strike
• Constriction: None - will wrap around arm for security but non-constricting species
• Stress response: Balls up with head protected in center - namesake behavior

Handling Procedures:

• Excellent handling snake - ideal introduction to snakes
• Support body in at least 2 places - never let snake dangle
• Allow snake to explore hand-to-hand slowly
• Keep movements calm and slow - sudden movements startle
• Cool, smooth, dry to touch - contrary to common 'slimy' misconception
• Can wrap around arm/wrist - explain this is for security, not aggression
• Natural fidget toy - slow predictable movement calming for many
• Can handle for 15-20 minutes comfortably
• Never handle within 48 hours of feeding (regurgitation risk)

Health Monitoring:

• Daily: Activity (nocturnal), tongue flicking, body posture
• Weekly: Weight, shedding progress, fecal output after feeding
• Monthly: Body condition, scale condition, feeding response
• Signs of illness: Respiratory infection (wheezing, mucus), scale rot, stuck shed, refusal to feed (can be fussy eaters), mouth rot

Suitability for Handling:

• Suitable for: Most ages (7+), SEN (excellent living fidget), anxious individuals
• Good for: Overcoming snake fears, sensory regulation, educational talks
• EXCELLENT: Calm, predictable, non-threatening, therapeutic for anxiety
• Not suitable for: Those with genuine snake phobia (use gradual desensitization)

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11. Corn Snake

Temperament Profile:

• Juvenile: Active, curious, fast-moving, may be nippy if not well-handled
• Adult: Generally calm and handleable, more active than royal python
• Bite risk: Low - can bite if mistaken for food or startled, but small teeth, non-venomous
• Constriction: Minimal - may wrap but very weak constrictor
• Activity level: Higher than royal python - more lively and exploratory

Handling Procedures:

• Good handling snake, slightly more active than royal python
• Support body continuously - likes to explore
• Allow to move hand-to-hand freely
• Be prepared for more movement than royal python
• May be quicker to explore surroundings - supervise closely
• Wash hands before handling if recently handled food - prevents feeding response
• Handle 10-15 minutes (slightly shorter than royal due to activity level)
• Beautiful coloration - excellent for photography and visual interest

Health Monitoring:

• Daily: Activity level, alertness, tongue flicking
• Weekly: Weight, feeding response, shedding cycle, fecal output
• Monthly: Body condition, scale integrity, overall health
• Signs of illness: Lethargy, regurgitation, stuck shed, scale issues, respiratory infection, loss of appetite

Suitability for Handling:

• Suitable for: Confident handlers, older children (8+), adults
• Good for: Active demonstrations, teaching about North American snakes
• Not suitable for: Very young children, those wanting very slow/calm snake (choose royal python)

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LIZARDS: IGUANAS

12. Orange (Zero) Iguana

Temperament Profile:

• Juvenile: Variable temperament, can be flighty, requires extensive socialization
• Adult: Depends heavily on socialization - can be calm or defensive, territorial during breeding season
• Bite risk: HIGH - powerful jaws, sharp teeth, can inflict serious injury
• Scratch risk: HIGH - long sharp claws designed for climbing
• Tail whip: HIGH RISK - powerful muscular tail used as defensive weapon, very painful
• Size consideration: Can reach 5-6ft as adult, significant strength

Handling Procedures:

• ADVANCED HANDLER ONLY - not suitable for general handling sessions
• Juvenile: Support entire body, control head gently but firmly
• Adult: May require two handlers for large individuals
• Restrain tail to prevent whipping
• Wear long sleeves to protect from claws
• Watch for signs of aggression: dewlap extension, head bobbing, darkening of color, open mouth
• NEVER handle during breeding season (increased aggression)
• Keep handling sessions brief (under 10 minutes)
• Observation-only for most participants - handling by experienced staff only

Health Monitoring:

• Daily: Basking behavior, activity level, appetite (herbivore - greens/vegetables)
• Weekly: Weight, skin color vibrancy, fecal output, hydration
• Monthly: Body condition, claw/nail length, overall vitality
• Seasonal: Breeding behavior changes (increased territoriality)
• Signs of illness: MBD (very common in iguanas), lethargy, loss of appetite, abnormal fecal matter, retained shed

Suitability for Handling:

• Suitable for: OBSERVATION ONLY for general public
• Good for: Educational talks (herbivorous lizard, South American wildlife), visual demonstrations
• EXPERIENCED HANDLER ONLY for any physical interaction
• Not suitable for: Children handling, nervous handlers, care homes, large groups
• HIGH RISK: Bites, scratches, and tail whips can cause serious injury

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GENERAL REPTILE SAFETY PROTOCOLS

Universal Hygiene Protocols:

• Hand sanitizer MANDATORY after handling ANY reptile (salmonella risk)
• Wash hands with soap and water when facilities available
• Never touch face/mouth during or immediately after reptile handling
• Equipment cleaned between sessions (handling towels, baskets)
• Reptiles never placed on food preparation surfaces or dining tables

Temperature Considerations:

• Reptiles are ectothermic (cold-blooded) - body temperature matches environment
• Cool to touch is normal - explain to handlers
• Keep handling environment warm (18-24C minimum)
• Return to heated vivarium if reptile becomes too cool
• Never handle in cold environments (outdoor winter sessions)

Pre-Session Health Checks:

• Visual assessment: alertness, body condition, skin/scale condition
• Behavioral check: responsive, normal activity level
• No recent feeding (48 hours minimum for snakes, 24 hours for lizards)
• No shedding in progress (eyes clear, skin not dull/milky)
• Any signs of illness = no handling that day

Maximum Handling Times:

• Fragile species (chameleons, crested geckos): 5-10 minutes max
• Standard species (leopard geckos, corn snakes): 10-15 minutes
• Hardy species (bearded dragons, royal pythons, tortoises): 15-30 minutes
• Aquatic species (turtles/terrapins): 5-10 minutes (stress out of water)
• Advanced species (iguanas): 5-10 minutes EXPERIENCED HANDLERS ONLY

Emergency Procedures:

• Bite: Remove animal safely, clean wound, apply antiseptic, seek medical advice if deep
• Scratch: Clean wound, antiseptic, monitor for infection
• Dropped reptile: Assess for injury, return to vivarium for observation, vet check if needed
• Tail drop (geckos): Stay calm, explain this is natural defense, animal will be fine but tail won't regenerate (crested) or will regenerate differently (leopard)
• Escape: Secure area, locate calmly, gentle recapture with towel/container
• All incidents recorded and parents/participants informed

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Pets on the Green Ltd - Company No. 17111255
4 Redvers Road, Warlingham, Surrey, CR6 9HN