1. Black-bellied Hummingbird Eupherusa nigriventris, male, La Paz, Alajuela, Costa Rica, February 10, 2003.  Endemic to Central America.  Note the black head and underparts and the rufous secondaries tipped with black.

2. Black-bellied Hummingbird E. nigriventris, male, La Paz, Alajuela, Costa Rica, February 10, 2003.

3. Black-bellied Hummingbird E. nigriventris, male, La Paz, Alajuela, Costa Rica, February 10, 2003.  Note the white vent and undertail coverts.  The three pairs of white outer rectrices are completely hidden at rest.

© Stephen J. Davies

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