Complex sentence: In the first 12 days of the nesting period, 75% of foundresses leave their original nests, and travel to around three nests before settling permanently, choosing the nest with the highest reproductive payoff.
Split into simpler sentences: In the first 12 days of the nesting period, 75% of foundresses leave their original nest, traveling to around three nests before settling permanently. Foundresses visit multiple nests before choosing the nest with the highest reproductive payoff.