Aggressive Behaviour of Black Skimmers (Rynchops Niger)

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11 Scopus citations

Abstract

The aggressive behaviour of skimmers was studied in a mixed species colony of black skimmers and common terns located on a sandy beach in New York. The levels and intensity of intraspecific aggression varied according to sex, season, and time of day. Males engaged in more intraspecific aggression, whereas females engaged in more interspecific defense. These differences suggest that interspecific defense is an appropriate response to the real threat of chick loss due to other birds (of both species). In general, females were defending space and their chicks, whereas males seemed to defend space, their chicks, and females. The aggression observed at any point in the reproductive cycle correlates with the magnitude of the threat.

Original languageEnglish (US)
Pages (from-to)207-222
Number of pages16
JournalBEHAVIOUR
Volume76
Issue number3-4
DOIs
StatePublished - Jan 1 1981

All Science Journal Classification (ASJC) codes

  • Animal Science and Zoology
  • Behavioral Neuroscience

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