Cobra on the loose in Thousand Oaks

An L.A. County animal control officer catches the cobra in a Thousand Oaks backyard.   (Anne Cusack / Los Angeles Times)

Los Angeles County animal control officers carry the cobra in a box to their truck Thursday afternoon. It was captured after being spotted crossing the street into the yard where it attacked a dog earlier this week.  (Anne Cusack / Los Angeles Times)

Los Angeles County animal care and control officers search for a venomous cobra in Thousand Oaks on Thursday morning.  (Al Seib / Los Angeles Times)

Los Angeles County animal care and control officers continue their search for a venomous cobra in Thousand Oaks on Thursday morning.  (Al Seib / Los Angeles Times)

Los Angeles County animal care and control officers continue their search for a venomous cobra in Thousand Oaks on Thursday morning.  (Al Seib / Los Angeles Times)

Residents talk to Department of Fish and Wildlife warden Dennis Rosenberg, second from right, as department officials and local animal control officers search the neighborhood around the 1300 block of Rancho Lane in Thousand Oaks for an at-large cobra.  (Anne Cusack / Los Angeles Times)

A Twitter photo of the cobra on the loose is displayed on a smartphone by a neighbor as officials with the California Department of Fish and Wildlife and local animal control officers search the neighborhood around the 1300 block of Rancho Lane in Thousand Oaks on Wednesday.  (Anne Cusack / Los Angeles Times)

L.A. County Animal Control officer Manuel Gonzalez, left, and state Department of Fish and Wildlife warden Dennis Rosenberg hop a fence Wednesday after searching for a cobra where it was last seen in Thousand Oaks.  (Anne Cusack / Los Angeles Times)