Usage examples (7)

• Predation by a small but growing number of skuas Catharacta skua (170 pairs) may be partly responsible.
• Only the marauding subantarctic skua Catharacta antarctica feeds on the island, mostly on spectacled petrels.
• American sheathbill (Chionis alba); south polar skua (Catharacta maccormicki); brown skua (Catharacta lonnbergi); southern black-backed gull (Larus dominicanus); and,
• Le Corre suggests that the occurrence of the white-tailed brown morph at Europa may act as a defensive camouflage against kleptoparasitism (a behavior of stealing another...