Yolo Causeway Viaduct |
The Mexican Free-Tailed Bat is a remarkably evolved creature. It flies from sunset to sunrise and catches its weight in insects (using its wings and a catcher's mitt of a tail to funnel them in). The male sings to win a mate, the female has one child a year, and they emit a high pitched series of sounds to locate their prey.
Bats love bridges but bridge inspectors don't love bats. Their excretions are the source of the debilitating Hantavirus. However, California State environmental planners require any bats removed from a bridge to be given a new home near their preferred habitat. In the photo below a zoologist is taking visitors on a tour of Yolo Causeway (at sunset) to witness the daily exodus of the bats.
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