Green Heron is a nature documentary that follows the journey of a green heron as it migrates from its wintering grounds in the southern United States to its breeding grounds in the northern United States. Along the way, viewers will get an up-close look at the bird's behavior,
From Wikipedia
The green heron is a small heron of North and Central America. Butorides is from Middle English butor "bittern" and Ancient Greek -oides, "resembling", and virescens is Latin for "greenish".