.bird1{
	-webkit-transition:all 1200ms;
	-moz-transition:all 1200ms;
	-ms-transition:all 1200ms;
	-o-transition:all 1200ms;
	transition:all 1200ms;
	-webkit-transform:translate(-10%,-10%);
	-moz-transform:translate(-10%,-10%);
	-ms-transform:translate(-10%,-10%);
	-o-transform:translate(-10%,-10%);
	transform:translate(-10%,-10%);
	-webkit-opacity:0;
	-moz-opacity:0;
	-ms-opacity:0;
	-o-opacity:0;
	opacity:0;

}
.bird2{
	-webkit-transition:all 1500ms;
	-moz-transition:all 1500ms;
	-ms-transition:all 1500ms;
	-o-transition:all 1500ms;
	transition:all 1500ms;
	-webkit-transform:translate(10%,20%);
	-moz-transform:translate(10%,20%);
	-ms-transform:translate(10%,20%);
	-o-transform:translate(10%,20%);
	transform:translate(10%,20%);
	-webkit-opacity:0;
	-moz-opacity:0;
	-ms-opacity:0;
	-o-opacity:0;
	opacity:0;
}

.bird1.on{
	
	-webkit-transform:translate(0%,0%);
	-moz-transform:translate(0%,0%);
	-ms-transform:translate(0%,0%);
	-o-transform:translate(0%,0%);
	transform:translate(0%,0%);
	-webkit-opacity:1;
	-moz-opacity:1;
	-ms-opacity:1;
	-o-opacity:1;
	opacity:1;
}
.bird2.on{
	-webkit-transition-delay: 500ms;
	-moz-transition-delay: 500ms;
	-ms-transition-delay: 500ms;
	-o-transition-delay: 500ms;
	transition-delay: 500ms;
	-webkit-transform:translate(0%,0%);
	-moz-transform:translate(0%,0%);
	-ms-transform:translate(0%,0%);
	-o-transform:translate(0%,0%);
	transform:translate(0%,0%);
	-webkit-opacity:1;
	-moz-opacity:1;
	-ms-opacity:1;
	-o-opacity:1;
	opacity:1;
}