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Austin Bats at the South Congress Bridge

by Chronicle Staff July 9, 2018October 30, 2025

Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.
Every night from about March through November, spectators watch as, just before sunset, nearly one and a half million Mexican free-tailed bats – one of the world’s largest colonies of this species – take flight from beneath the South Congress Bridge to feast on insects along Lady Bird Lake.

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