Which of the following provides the correct information about the source of this video?

It is a real video, captured by a Montreal parks department official who was shooting video for a promotional campaign.  It is a fake video created by a group of birds’ rights activists to draw attention to the plight of eagles.  It is a hoax video created by college students studying digital video, special effects and animation.  It is an authentic video captured by a bystander with a cellphone and posted to YouTube.