Field guide for Costa Rica showing 360 of the most spectacular and commonly encountered bird species. -Images for each species. -Vocalizations for most. -Range maps, descriptions, field marks, and other information for all. NO ADVERTISEMEMTS. FREE UPGRADES. Additional features include: -Comprehensive SEARCH filter -Search by name -Sorting options -Make target lists -Check as seen, heard, or unseen/heard -Personal notes -Camera, email notes and photos. -Similar Species feature allows quick comparison of field sightings New, improved note keeping, including note filtering, recording GPS position, and emailing 1 or a batch of notes in eBird format. 'Which Bird is it?' Record and photo bird, email to us for help in identification