Before revision: | journal=Psychological Bulletin|volume=127|issue=1|pages=45–86|issn=0033-2909|pmid=11271756|doi=10.1037/0033-2909.127.1.45 </ref>
After revision: | journal=Psychological Bulletin|volume=127|issue=1|pages=45–86|issn=0033-2909|pmid=11271756|doi=10.1037/0033-2909.127.1.45 Many animals express individual behavioral traits that are stable over time and context280pxPersonality in animals has been investigated across a variety of different scientific fields including agricultural science, animal behaviour, anthropology, psychology, veterinary medicine, and zoology.