Horse signals: The sounds and scents of fury

Daniel Ian Rubenstein, Mace A. Hack

Research output: Contribution to journalArticlepeer-review

53 Scopus citations

Abstract

During contests animals typically exchange information about fighting ability. Among feral horses these signals involve olfactory or acoustical elements and each type can effectively terminate contests before physical contact becomes necessary. Dung transplant experiments show that for stallions, irrespective of rank, olfactory signals such as dung sniffing encode information about familiarity suggesting that such signals can be used as signatures. As such they can provide indirect information about fighting ability as long as opponents associate identity with past performance. Play-back experiments, however, show that vocalizations, such as squeals, directly provide information about status regardless of stallion familiarity. Sonographs reveal that squeals of dominants are longer than those of subordinates and that only those of dominants have at their onset high-frequency components.

Original languageEnglish (US)
Pages (from-to)254-260
Number of pages7
JournalEvolutionary Ecology
Volume6
Issue number3
DOIs
StatePublished - May 1 1992

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics

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