The house sparrow is a very social bird. The only land bird is the house sparrow, introduced by man. Better a live Sparrow than a stuffed Eagle. As Sparrow and Barbossa flee to the Trident's island, Salazar gives chase. Barbossa and Salazar encounter Sparrow, who escapes to an island. Barbossa sinks "Interceptor" and maroons Sparrow and Elizabeth. The island is also home to the endangered San Clemente Island sage sparrow. He was once a crewman on "Black Pearl" under Captain Jack Sparrow. At Isla Cruces, Norrington, Sparrow, and Turner duel to claim Davy Jones' heart. He insists on being introduced as "Captain" Jack Sparrow. Phoenix or a combination of six AIM-7 Sparrow and four AIM-9 Sidewinder missiles. Will and Elizabeth free Sparrow from the gallows, but they are quickly caught. The differences between sparrow species can be subtle. Other factors may include its robust immune response, compared to the Eurasian tree sparrow. "Goodnight Sweetheart" focuses on the life of Gary Sparrow (Nicholas Lyndhurst).