A worldwide community photographing and learning about wildlife
Tyrannus melancholicus
I like the video, Ismael, looks like a young, Tropical Kingbird
Tyrannus melancholicus.
http://www.projectnoah.org/spottings/258...
It's extremely hard to tell this guy apart from the Couch's Kingbird, but the Couch's has a much smaller range that very rarely includes Costa Rica, so it made it easier to know which one it was :)