Many told me that they have seen the last one but be careful: Streak-throated Bush-Tyrant is also here
and by far more common!
(We have some doubts when they have seen Santa Marta Bush-Tyrant and not Streak-throated.)
The
Tyrian Metaltail Metallura tyrianthina
) has a blue tail here and is sometimes considered as a proper species:
Santa Marta Metaltail