Title
Ploughing behaviour of Babyrousa babyrussa (Suidae, Mammalia) suggests a scent-marking function Ploughing behaviour of Babyrousa babyrussa (Suidae, Mammalia) suggests a scent-marking function
Author
Publication type
article
Publication
London ,
Subject
Biology
Source (journal)
Journal of zoology. - London
Volume/pages
238() :Part 2 , p. 209-219
ISSN
0952-8369
ISI
A1996TV69900002
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
A unique form of behaviour, 'ploughing behaviour', was studied in experiments carried out on 13 babirusa, three adult males, two sub-adult males, five adult females and three sub-adult females. Ploughing behaviour was observed when individual animals were introduced singly into empty sand-filled enclosures at Antwerp Zoo. The animal put its snout into the sand to such a depth that the sand was just in front of its eyes, whereupon it knelt and slid forward on to its chest. The head and chest of the animal were thereby pushed forward through the sand and canted left and right alternately. Ploughing behaviour was almost exclusively performed by adult males, the periods of longest duration being seen either in the enclosure of another male or in a freshly cleaned enclosure. The copious amounts of saliva which were produced as foam at the sides of the mouth prior to ploughing had disappeared by the end of this activity. This supports the idea that ploughing by the babirusa has a scent-marking function. The adult female did not show ploughing behaviour.
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