Feeding Enrichment in a Captive Pack of European Wolves (Canis Lupus Lupus): Assessing the Effects on Welfare and on a Zoo's Recreational, Educational and Conservational Role.
Animals (Basel). 2019 Jun 8;9(6):331. doi: 10.3390/ani9060331.
Animals (Basel). 2019.
PMID: 31181742
Free PMC article.