SAN FRANCISCO (CBS SF) — The San Francisco Board of Supervisors unanimously voted Tuesday to establish standards for bird-safe buildings in the city.

The legislation, introduced by Supervisor Eric Mar, seeks to prevent what Mar said are up to a billion bird deaths reported in North America each year from collisions with building windows or facades.

The ordinance would regulate certain types of new construction, replacement facades and building features.

Options for avoiding collisions between birds and buildings would include adding treatments to buildings such as exterior screens or ultraviolet patterns that would be visible to the birds, according to the legislation.

Mar said the ordinance, supported by the American Bird Conservancy and the Golden Gate Audubon Society, would help make San Francisco “a leader in the global effort” to prevent bird deaths.

The ordinance was given initial approval in the 11-0 vote Tuesday, and will return to the board next week for final approval.

(Copyright 2011 by CBS San Francisco. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)


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