Scientific Name: Anhinga anhinga
Population Estimate: Unknown but Least Concern status
Range / Habitat: Warm shallow water and wetlands throughout southeastern US, Mexico, Central America, South America.
Field Notes: Large black bird with long thin neck and bill. White in wings. Females have a pale neck and head. May be mistaken for a cormorant but longer tail and longer, thinner neck and bill are distinctive.
Personal Notes: We have seen this bird multiple places, but especially enjoyed observing it in a boat crossing of Arenal Lake in Costa Rica.