Hummingbird migrations take place in spring and fall and those events are cause for excitement among many people. "They are the gateway drug to bird watching because they are incredibly charismatic," ...

The smallest hummingbird in the world is as long as a toothpick and weighs less than a cube of sugar. At just over two inches long and weighing a mere two grams, the bee hummingbird (Mellisuga helenae ...