Cyanocorax morio
Drawn from open occurrence records in and around Arenal, aggregated onto a 25 km grid. A cell is matched by its centre, which can sit up to 16 km outside the boundary, so this covers the surrounding country too.
Occurrence records measure where people looked and found something, which is not the same as where the animal is. This is a relative likelihood, not a probability.
Records exist for January, February, March, April, May, June, July, August, September, October, November and December. A quiet month can mean the animal was absent, or that nobody was looking.
A grid cell is a square of the map, not a sighting: 4 squares of 25 km carry records for Brown Jay in and around Arenal, and the 44,130 records behind them were collected by other people and published openly. Nothing here counts animals, and a place with more records is not always a place with more animals.
Arenal, Manuel Antonio and Monteverde are the three atlas places where the Brown Jay is recorded, with records gathering most thickly in Costa Rica, Belize, Mexico, Guatemala and Honduras. The atlas holds about 373,000 open records of this bird from eight countries. Because this map is based on where records concentrate, it shows only a portion of the total range.
Of the 193 species with an atlas page recorded in and around Arenal, the Brown Jay is the 8th most recorded.
The full atlas page, and everywhere else it is recorded