A single breeding pair can produce about 500 mice in about 5 months under ideal conditions. In the wild, their average life span is only a few months. Baby field mice are blind, deaf and bald at birth but mature within about 3 weeks. Females are sexually mature at 4 to 6 weeks. Along with their natural habitat of the fields, they can be found in human habitation including homes and barns.
Fortunately, the Indians know that many fans enjoy entering the park several hours before first pitch, and are willing to accommodate. For a 7 p.m. game, for example, Progressive Field opens at 4:30 p.m., but be sure to line up at Gate C, as it's the only gate that opens this early.
Gates open 90 minutes prior to the scheduled game time for 80 of 81 games (Opening Day, at 2 hours, is the only exception). Minute Maid Park - 1 hour and 40 minutes (1:10 games) or 2 hours (night games) The majority of games in Houston have evening start times and the gate opening time for them is 2 hours. For the Astros' 1:10 games, all gates open at 11:30 AM. And for the small amount of games that start in the 3:00 hour, the ballpark's gates will open at 1:00 for them.