Northern Black-throated Trogon (male), Osa Peninsula, Costa Rica

Bosque del Cabo Rainforest Lodge, near Puerto Jimenez, Osa Peninsula, Costa Rica (August 2012)

Status is classified as Least Concern. Formerly part of Black-throated Trogon but now considered a separate species Northern Black-throated Trogon by most authorities. Also known as Graceful Black-throated Trogon. For more information on this bird species see the following links:
Northern black-throated trogon (Trogon tenellus) / Wikipedia
Northern Black-throated Trogon Trogon tenellus / Bird Forum
BirdLife International / Black-throated Trogon Trogon rufus
Cornell Lab of Ornithology / Northern Black-throated Trogon Trogon tenellus

Recent research indicates that Black-throated Trogon comprises five species with distinct non-overlapping ranges (see Birdguides article):

Northern / Graceful Black-throated Trogon Trogon tenellus
Kerr's Black-throated Trogon Trogon cupreicauda
Amazonian Black-throated Trogon Trogon rufus
Southern Black-throated Trogon Trogon chrysochloros
Alagoas Black-throated Trogon Trogon muriciensis

Northern / Graceful Black-throated Trogon Trogon tenellus only occurs in Central America so would be the identity assigned to the bird in this image.

Tv(Shutter Speed) 1/500
Av(Aperture Value) 3.2
Exposure Compensation 0
ISO Speed 1250