Northern Waterthrush

Arenal, the Osa Peninsula and Corcovado are the three atlas places where the Northern Waterthrush is recorded, with records concentrating in the United States, Canada, Belize, Costa Rica and Panama. The atlas holds about 553,000 open records of this bird from 17 countries, and the map shows where these records concentrate.

Records follow a seasonal pattern. They peak in April, May, August, September and October, while the lowest numbers are recorded in January, February, June, July and December.