White Necked Jacobin
Birds of Panama - large bird photo gallery
The White-necked Jacobin (Florisuga mellivora) is a large and attractive hummingbird that ranges from Mexico south to Peru, Bolivia and south Brazil. Other common names are Great Jacobin and Collared Hummingbird. For more details from Wikipedia about the White Necked Jacobin please see this page here.
These White Necked Jacobin images where taken at the Panama Rainforest Discovery Center, near the Pipeline Road in Panama.