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Behavioural responses of Amur tigers (Panthera tigris altaica) and African lions (Panthera leo) to conspecific urine and to a component of tiger marking fluid
Linköping University, Department of Physics, Chemistry and Biology, Biology.
2018 (English)Independent thesis Advanced level (degree of Master (Two Years)), 40 credits / 60 HE creditsStudent thesis
Abstract [en]

Olfactory signals are an important means of social communication among felids. However, not much is known about how individual volatiles of body-borne odours influence behavioural responses. 2-acetyl-1pyrroline has recently been identified as a characteristic component of tiger marking fluid, while being absent from lion marking fluid. One pride each of captive Amur tigers (Panthera tigris altaica) and African lions (Panthera leo) were presented with wooden logs impregnated with four different odours and their behaviour was observed. The tigers displayed significantly more interactions towards the marking fluid component (2-acetyl-1-pyrroline), the conspecific urine odour, and the fruity odour (iso-pentyl acetate) than towards the near odourless control (diethyl phthalate). The lions displayed significantly more behaviours towards conspecific urine than towards any of the other odours.  In general all lions interacted more with the logs than tigers. Hence, these results support the notion that 2-acetyl-1-pyrroline is a species-specific odorant for tiger olfactory communication. Furthermore, the results show that a single compound (2-acetyl-1pyrroline) can elicit behavioural responses to the same degree as a complex chemical mixture (tiger urine). The high number of interactions performed by both species towards the wooden logs impregnated with conspecific urine suggests that conspecific odours are suitable to use as olfactory enrichment for captive felids.

Place, publisher, year, edition, pages
2018. , p. 23
Keywords [en]
Tiger, Lion, Olfaction, Communication, Enrichment, Behaviour
National Category
Behavioral Sciences Biology
Identifiers
URN: urn:nbn:se:liu:diva-148053ISRN: LITH-IFM-A-EX--18/3448--SEOAI: oai:DiVA.org:liu-148053DiVA, id: diva2:1210661
External cooperation
Kolmårdens Djurpark
Subject / course
Biology
Presentation
2018-05-23, BL32, Linköpings Universitet- B-Huset, Linköping, 09:40 (English)
Supervisors
Examiners
Available from: 2018-05-31 Created: 2018-05-29 Last updated: 2018-05-31Bibliographically approved

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CiteExportLink to record
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