diff --git a/examples/particleBird.js b/examples/particleBird.js
new file mode 100644
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+++ b/examples/particleBird.js
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+//
+//  particleBird.js 
+//  hifi
+//
+//  This sample script moves a voxel around like a bird and sometimes makes tweeting noises 
+//
+function vLength(v) {
+    return Math.sqrt(v.x * v.x + v.y * v.y + v.z * v.z);
+}
+function printVector(v) {
+    print(v.x + ", " + v.y + ", " + v.z + "\n");
+}
+//  Create a random vector with individual lengths between a,b
+function randVector(a, b) {
+    var rval = { x: a + Math.random() * (b - a), y: a + Math.random() * (b - a), z: a + Math.random() * (b - a) };
+    return rval;
+}
+function vMinus(a, b) { 
+    var rval = { x: a.x - b.x, y: a.y - b.y, z: a.z - b.z };
+    return rval;
+}
+function vPlus(a, b) { 
+    var rval = { x: a.x + b.x, y: a.y + b.y, z: a.z + b.z };
+    return rval;
+}
+function vCopy(a, b) {
+    a.x = b.x;
+    a.y = b.y;
+    a.z = b.z;
+    return;
+}
+//  Returns a vector which is fraction of the way between a and b
+function vInterpolate(a, b, fraction) { 
+    var rval = { x: a.x + (b.x - a.x) * fraction, y: a.y + (b.y - a.y) * fraction, z: a.z + (b.z - a.z) * fraction };
+    return rval;
+}
+
+//  Decide what kind of bird we are 
+var tweet;
+var color;
+var size;
+var which = Math.random();
+if (which < 0.2) {
+    tweet = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Animals/bushtit_1.raw");
+    color = { r: 100, g: 50, b: 120 };
+    size = 0.08;
+} else if (which < 0.4) {
+    tweet = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Animals/rosyfacedlovebird.raw");
+    color = { r: 100, g: 150, b: 75 };
+    size = 0.09;
+} else if (which < 0.6) {
+    tweet = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Animals/saysphoebe.raw");
+    color = { r: 84, g: 121, b: 36 };
+    size = 0.05;
+} else  if (which < 0.8) {
+    tweet = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Animals/mexicanWhipoorwill.raw");
+    color = { r: 23, g: 197, b: 230 };
+    size = 0.12;
+} else {
+    tweet = new Sound("https://s3-us-west-1.amazonaws.com/highfidelity-public/sounds/Animals/westernscreechowl.raw");
+    color = { r: 50, g: 67, b: 144 };
+    size = 0.15;
+} 
+
+var startTimeInSeconds = new Date().getTime() / 1000;
+
+var birdLifetime = 20; // lifetime of the bird in seconds!
+var position  = { x: 0, y: 0, z: 0 };
+var targetPosition = { x: 0, y: 0, z: 0 };
+var range = 1.0;       //   Over what distance in meters do you want your bird to fly around 
+var frame = 0;
+var moving = false;
+var tweeting = 0;
+var moved = false;
+var CHANCE_OF_MOVING = 0.05;
+var CHANCE_OF_TWEETING = 0.05;
+var START_HEIGHT_ABOVE_ME = 1.5;
+var myPosition = MyAvatar.position;
+var properties = {
+    lifetime: birdLifetime,
+    position: { x: myPosition.x, y: myPosition.y + START_HEIGHT_ABOVE_ME, z: myPosition.z },  
+    velocity: { x: 0, y: 0, z: 0 },
+    gravity: { x: 0, y: 0, z: 0 },
+    radius : 0.1,
+    color: { red: 0,
+         green: 255,
+         blue: 0 }
+};
+var range = 1.0;   //  Distance around avatar where I can move 
+//  Create the actual bird 
+var particleID = Particles.addParticle(properties);
+function moveBird() {
+
+    // check to see if we've been running long enough that our bird is dead
+    var nowTimeInSeconds = new Date().getTime() / 1000;
+    if ((nowTimeInSeconds - startTimeInSeconds) >= birdLifetime) {
+        print("our bird is dying, stop our script");
+        Agent.stop();
+        return;
+    }
+
+    myPosition = MyAvatar.position;
+    frame++;
+    if (frame % 3 == 0) {
+        // Tweeting behavior
+        if (tweeting == 0) {
+            if (Math.random() < CHANCE_OF_TWEETING) {
+                //print("tweet!" + "\n");
+                var options = new AudioInjectionOptions();
+                options.position = position;
+                options.volume = 0.75;
+                Audio.playSound(tweet, options);
+                tweeting = 10;
+            }
+        } else {
+            tweeting -= 1;
+        }
+        // Moving behavior 
+        if (moving == false) {
+            if (Math.random() < CHANCE_OF_MOVING) {
+                targetPosition = randVector(- range, range);
+                targetPosition = vPlus(targetPosition, myPosition);
+                if (targetPosition.x < 0) {
+                    targetPosition.x = 0;
+                }
+                if (targetPosition.y < 0) {
+                    targetPosition.y = 0;
+                }
+                if (targetPosition.z < 0) {
+                    targetPosition.z = 0;
+                }
+                if (targetPosition.x > TREE_SCALE) {
+                    targetPosition.x = TREE_SCALE;
+                }
+                if (targetPosition.y > TREE_SCALE) {
+                    targetPosition.y = TREE_SCALE;
+                }
+                if (targetPosition.z > TREE_SCALE) {
+                    targetPosition.z = TREE_SCALE;
+                }
+                //printVector(position);
+                moving = true;
+            }
+        }
+        if (moving) {
+            position = vInterpolate(position, targetPosition, 0.5);
+            if (vLength(vMinus(position, targetPosition)) < (size / 5.0)) {
+                moved = false;
+                moving = false;
+            } else {
+                moved = true;
+            }
+        }
+        if (moved || (tweeting > 0)) {
+            if (tweeting > 0) {
+                var newProperties = {
+                    position: position,
+                    radius : size * 1.5,
+                    color: { red: Math.random() * 255, green: 0, blue: 0 }
+                };
+            } else {
+                var newProperties = {
+                    position: position,
+                    radius : size,
+                    color: { red: color.r, green: color.g, blue: color.b }
+                    };
+            }
+            Particles.editParticle(particleID, newProperties);
+            moved = false;
+        }
+    }
+}
+// register the call back so it fires before each data send
+Agent.willSendVisualDataCallback.connect(moveBird);