public Bird()
: base()
{
Sound = "Tweet";
flyingType = new ItFlys();
}
public Bird()
{
Sound = "Squeek";
FlyingType = new ItFlys();
}
public Bird()
{
setSound("Tweet");
flyingType = new ItFlys();
}
public Bird(string name)
{
Name = name;
FlyingType = new ItFlys();
}