Our recommandation for your trip to Belize. Load these apps on your cell phone.
https://merlin.allaboutbirds.org/ (Android and IOS)
Best and biggest Bird database)
https://birdnet.cornell.edu/ (only Android right now)
Best bird sound recognitian app)
https://maps.me/en/download/ (Android and IOS)
Offline map and navigation for Belize etc