No end in sight for the scourge of Bird scooters, which are fun but can be dangerous

Girls ride across Pacific Avenue on a single Bird scooter as another Bird rider crosses their path in Venice on July 5, 2018. Double riders and riding without helmets are illegal when using the Bird scooter. According to the Bird rental agreement, riders must be 18 years old to operate the scooters.

(Genaro Molina / Los Angeles Times)

July 5, 2018 5:03 PM PT

A Bird scooter rider cruises alongside traffic on Pacific Avenue in Venice on July 5, 2018. Riding without a helmet is illegal when using the Bird scooter.

(Genaro Molina / Los Angeles Times)

Pedestrians move out of the way for a pair of Bird scooter riders who cruise on the sidewalk along Washington Boulevard in Marina del Rey on July 5, 2018. It is illegal for Bird operators to ride on sidewalks.

(Genaro Molina / Los Angeles Times)

A helmetless Bird rider picks up his fallen water bottle while trying to cross Pacific Avenue in Venice on July 5, 2018.

(Genaro Molina / Los Angeles Times)

A helmetless Bird rider makes his way past a bicyclist on Windward Avenue in Venice on July 5, 2018.

(Genaro Molina / Los Angeles Times)

Huy Nguyen, 17, an exchange student from Vietnam, uses a Bird scooter as a bench while getting a bite to eat along Windward Avenue in Venice on July 5, 2018.

(Genaro Molina / Los Angeles Times)

A helmetless Bird rider buzzes along through traffic on Washington Boulevard in Marina del Rey on July 5, 2018.

(Genaro Molina / Los Angeles Times)

A Bird rider carries two extra Bird scooters on Washington Boulevard in Marina del Rey on July 5, 2018.

(Genaro Molina / Los Angeles Times)