11. The Sea Skua failed to hit its target and failed to explode. 12. Nine accompanying Blackburn Skuas shoot down an Italian Cant Z . 501. 13. Hybrids with the brown skua are known from southern Argentina. 14. Other threats include predation of nestlings by Subantarctic skuas and black rats. 15. Damage from the explosion caused the Skua to fall into the sea. 16. Many snow petrels and south polar skuas also breed in this area. 17. Lieutenant Bostock was killed in another Blackburn Skua on the same raid. 18. The spectators include seals, penguins and divebombing skuas . 19. Other studies have shown the effects that skuas can have on other birds. 20. Outside the breeding season, skuas take fish, offal, and carrion.
