Emergence Calendar
Daily emergence predictions based on sunset times, weather, and moon phase. Plan your visit for the best conditions.
Spectacular/Excellent
Good
Fair
Poor/Unlikely
🗓️ Season Guide
March - April
Early season. Bats return from Mexico. Colony building. Good viewing but smaller numbers.
May - June
Maternity season. Females give birth. Pups not yet flying. Consistent emergence.
July - August ⭐ PEAK
Peak season! Pups start flying (late July). Maximum colony size of 1.5M+ bats.
September - October
Late season. Migration south begins. Numbers decline but still spectacular.