🟢 Ages 5–8 🔵 Ages 8–11
🦁

Animals & Their World

Dive into a fish tank, follow a butterfly to a flower, watch bees dance in a hive, and see how a whole flock of birds flies as one! Nature has amazing secrets — let's explore them!

11 simulations Ages 5–11 Biology • Nature • Behaviour

🌿 Animal Simulations

Every animal follows simple rules — but together they create amazing behaviour!

🐟
🟢 5+ 🎮 Interactive
Fish Tank
20–30 colourful fish swim around the tank. Click anywhere to drop food — all the fish rush to eat it! Customise the colours, size and number of fish. Pick from Tropical, Saltwater or Deep Sea presets.
💡 Each fish only follows 2 rules: "stay close to friends" and "avoid bumping into them". That's it!
Boids Canvas 2D Sound
🦋
🟢 5+
Butterflies & Flowers
Beautiful butterflies glide smoothly from flower to flower. Click in the meadow to plant a new flower — a butterfly will fly to it! Watch the caterpillar transform: press "Metamorphosis" and see the 5-second magic animation.
💡 Butterflies can see ultraviolet light — flowers look like glowing signs to them!
Steering Canvas 2D Animation
🦅
🔵 8+ 🎮 Interactive
Bird Flock
100–150 birds fly together as one flock — with no leader! Adjust three sliders: Stay Together · Line Up · Don't Bump. Click "Scare!" to make them all scatter from your cursor. A hawk appears and the flock dodges!
💡 Who is the leader? Nobody! Each bird follows just 3 rules — and the whole flock emerges.
Boids Canvas 2D Emergent
🐜
🔵 8+
Ant Colony
Ants leave the nest, search for food, and leave a scent trail back. Other ants follow the trail — the shortest path wins! Watch competition between two colonies: red vs blue. The pheromone heat map shows where ants have been.
💡 This algorithm is used to find the best route for delivery trucks and networks!
ACO Pheromones Canvas 2D
🦊
🔵 8+ 🎮 Interactive
Foxes & Rabbits
A green field: rabbits eat grass, foxes hunt rabbits. Watch the live population graph — when rabbits are few, foxes starve. Then rabbits come back. The cycle never stops! Try the "Rescue Zone" — a safe spot where rabbits are protected.
💡 This cycle is called the Lotka–Volterra equations — scientists use it to study real animal populations!
Lotka–Volterra Agents Graph
🐦
🔵 8+ 3D
3D Bird Swarm
More than 500 birds flying through a 3D space! Rotate the camera to see the flock from any angle. A predator appears and the entire swarm reacts instantly. Sliders control the three Reynolds rules.
💡 Craig Reynolds invented these 3 rules in 1986 — the same rules are used in movies like The Lion King!
Three.js 500+ Agents 3D
🦜
🟢 5+
Parrot Echo
Click a phrase button and watch Polly the parrot send sound waves across the room! When the wave hits the wall it bounces back as an echo — just like a real cave or canyon!
💡 Sound travels at 343 m/s — that's why you hear thunder after you see lightning!
Sound Waves Echo Kids
🐊
🟢 7+
Crocodile Jump
Help a crocodile leap across the river to catch its prey! Adjust the launch angle and power, then watch the parabolic arc. A 45° angle always gives the maximum range!
💡 Every thrown object follows a parabolic arc — from a football to a rocket!
Projectile Motion Physics Kids
🐸
🟢 5+
Pond Frogs
Frogs leap between lily pads on a top-down pond! Every landing creates expanding circular ripples. Add more frogs, adjust speed and count total jumps and ripples!
💡 Water ripples spread outward equally in all directions — that's a circular wave!
Waves Frogs Kids
🦅
🔵 8+
Eagle Hunt
An eagle glides high above the savanna, spots a rabbit below and dives! Choose the dive angle and starting height — steeper means faster but less time to aim!
💡 The Peregrine Falcon dives at over 320 km/h — the fastest animal movement on Earth!
Speed Birds of Prey Physics
🐘
🟢 6+
Elephant Herd
Click anywhere to guide a herd of elephants to the water hole! The matriarch leads and each elephant follows the one ahead. Toggle the memory trail to see their path!
💡 Elephant matriarchs remember water locations for decades — even droughts 30 years ago!
Herd Behaviour Follow Leader Kids

🌟 Amazing Animal Facts

Nature is stranger than fiction — see for yourself!

🐜
Ant internet
The way ants share food routes is almost identical to how your internet router finds the fastest path to a website.
🦋
Complete transformation
Inside a chrysalis, a caterpillar doesn't just grow wings — it dissolves into soup and rebuilds itself completely from scratch!
🐝
Bee GPS dance
A bee returning from flowers does a "waggle dance" — the angle tells others the direction relative to the sun, and the duration tells them the distance.
🐦
No leader needed
A murmuration of 100,000 starlings moves as one because each bird only watches its 7 nearest neighbours — and reacts in 67 milliseconds.

🃏 Remember the Animal

Tap a card to reveal each animal's appearance and secret superpower!

🐟Tap to reveal!
FishStreamlined silver body, forked tail. Each fish copies 3 neighbours — creating perfect schooling with no leader!
🦋Tap to reveal!
ButterflyPatterned wings of tiny scales. Completely melts into soup inside its chrysalis, then rebuilds itself from scratch!
🐝Tap to reveal!
BeeYellow-black stripes, hairy body. Does a "waggle dance" — angle = flower direction, duration = distance!
🦅Tap to reveal!
BirdHollow bones reduce weight. A flock of 100,000 starlings moves as one body — each bird only watches its 7 nearest neighbours.
🐜Tap to reveal!
AntSix legs, segmented body. Leaves pheromone trails that grow stronger when more ants follow them — solving shortest-path problems!
🐋Tap to reveal!
WhaleSmooth streamlined body, fluke tail moves up-down. Sings at 186 dB — the loudest sound of any animal on Earth!
🐬Tap to reveal!
DolphinGrey, smooth skin, curved dorsal fin. Uses echolocation clicks up to 200 kHz, 10× higher than humans can hear!
🦊Tap to reveal!
FoxRusty-red fur, bushy white-tipped tail. Hunts rabbits — but if rabbits get rare, foxes drop too. Lotka-Volterra cycles!
🐧Tap to reveal!
PenguinBlack-white tuxedo, flippers. Huddles in −60 °C winds — penguins on the outside rotate inward, sharing warmth equally!
🐰Tap to reveal!
RabbitLong ears, round body, cottontail. When fox numbers are high, rabbit population crashes — then recovers. A natural cycle!

🧩 What Animal Am I?

5 questions — how well do you know the animal kingdom?

Question 1 of 5

📖 Learn More

Dive deeper into the science behind animal behaviour

< class="rel-art-card" href="../../content/articles/boids-algorithm.html" > Article Boids Algorithm — 3 Rules of Flocking Separation, Alignment, Cohesion — the vector maths behind collective animal movement. → Article Ant Colony Optimisation Pheromone matrix, evaporation, roulette selection — how ants solve the Travelling Salesman Problem. → Article Lotka–Volterra Equations The mathematical model of predator-prey cycles — why populations oscillate forever. →
All articles →

Key Concepts

Topics and algorithms you'll explore in this category

Interactive ModelReal-time browser simulation with live parameter controls
WebGL / Canvas 2DHardware-accelerated rendering in the browser
Mathematical FoundationDifferential equations and numerical integration
Open SourceMIT-licensed code — inspect, fork, and learn
No Install RequiredRuns directly in Chrome, Firefox, Safari, Edge
Educational FocusBuilt to explain the underlying science clearly

Frequently Asked Questions

Common questions about this simulation category

Do these simulations require installation?
No. Every simulation runs entirely in your web browser using WebGL and Canvas 2D. Nothing to install or download — open the page and the simulation starts immediately.
Can I use these simulations for teaching?
Yes — all simulations are designed to be educational and run without an account or login. They are widely used in university lectures, high-school science classes, and self-directed learning. Embed them via iframe or link directly.
What devices do the simulations support?
All simulations work on desktop browsers (Chrome, Firefox, Edge, Safari). Many work on mobile and tablets too, though some physics-heavy simulations benefit from the GPU performance of a desktop or laptop.

🎉 More Fun Sections

About Animals & Wildlife Simulations

Fish schools, bird flocks, penguin colonies, and predator hunts — live

Animals and wildlife simulations use agent-based modelling to reproduce the collective behaviours observed in nature. Fish-school simulations apply the Boids steering rules — separation, alignment, cohesion, and obstacle avoidance — to hundreds of agents simultaneously, producing the escape manoeuvres and polarised schooling seen in real fish. Predator-prey simulations add a pursuing hunter whose sensing range and speed create oscillating population cycles.

Butterfly migration, penguin huddle thermoregulation, and beehive foraging simulations each demonstrate how global patterns emerge from purely local agent interactions with no central coordinator. These models are used in ecology research to study how collective sensing improves predator detection and how habitat corridors affect population connectivity. Adjusting sensing radius, attraction strength, or energy costs reveals the trade-offs that shaped real animal behaviour through evolution.

Each simulation in this category is built with accuracy and interactivity in mind. The underlying mathematical models are the same ones used in academic research and professional engineering — just made accessible through a web browser. Changing parameters in real time and observing the results is one of the most effective ways to build intuition for complex scientific and engineering concepts.