Bats of Yolo Causeway
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Each summer, roughly a quarter-million migratory Mexican free-tailed bats nestle beneath the Yolo Causeway, forming "batnadoes" at dusk as they hunt insects.

šŸ“œ Home to a quarter-million Mexican free-tailed bats.
šŸ” Witness spectacular 'batnadoes' at dusk.

Why Go

šŸ¦‡ Observe large colonies of Mexican free-tailed bats
šŸŒ… Experience unique 'batnadoes' at sunset
šŸŒ‰ Learn about the Yolo Causeway's ecosystem
šŸ‘Ŗ Family-friendly viewing, children under 15 free on tours

Why Avoid

āš ļø Popular tours sell out extremely fast

Tips

šŸš— Park outside Yolo Bypass Wildlife Area gates, view from levee.
šŸ—“ļø Best viewing June through September.

Cost

šŸ’° Tours cost $14 per person, children under 15 free.

Hours

šŸ•’ Nightly flights at dusk, tours run June through September.

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