Photos: Vaux’s swifts return

Dozens of Vaux’s swifts swarm before bedding down for the night in a chimney on top of a building at 5th Street and Broadway in downtown Los Angeles on Friday.  (Genaro Molina / Los Angeles Times)

National Park Service ranger Kya-Marina Le shares a poster with visitors about the Vaux’s swifts at Spring Street Park, where many viewed the flock of birds swarming over a chimney before bedding down for the night in downtown Los Angeles on Friday.  (Genaro Molina / Los Angeles Times)

Around 50 people gathered on top of a parking garage to watch dozens of Vaux’s swifts swarm before bedding down for the night in a chimney on top of a building at 5th Street and Broadway in downtown Los Angeles on Friday.  (Genaro Molina / Los Angeles Times)

Jada Domanski, 9, left, and National Park Service ranger Kya-Marina Le keep an eye out from Spring Street Park as a flock of Vaux’s swifts begin to fly overhead before bedding down for the night in a chimney on top of a downtown building at 5th and Broadway Streets on Friday.  (Genaro Molina / Los Angeles Times)

Around 50 people watch from on top of a parking garage as dozens of Vaux’s swifts swarm before bedding down for the night in a chimney on top of a building at 5th Street and Broadway in downtown Los Angeles on Friday.  (Genaro Molina / Los Angeles Times)

People watch Vaux’s swifts at Spring Street Park in downtown Los Angeles.  (Genaro Molina / Los Angeles Times)