10 of the Smartest Animals on Earth

A fish that recognizes its own face, a dog that learned the names of 1,022 toys, and an orangutan that treated its own wound with a medicinal plant. We count down 10 of the smartest animals on Earth, from the honeybee to the chimpanzee. Every fact in this video is checked, and the sources are listed below. Chapters: 0:00 Intro 0:23 #10 Honeybee 1:09 #9 Cleaner Wrasse 1:50 #8 Rat 2:31 #7 Pig 3:13 #6 Dog 3:59 #5 African Grey Parrot 4:44 #4 Raven 5:26 #3 Elephant 6:15 #2 Orangutan 7:01 #1 Chimpanzee 7:49 Which one is your favorite? Sources: #10 Honeybee: https://www.nobelprize.org/uploads/20... | https://www.science.org/doi/10.1126/s... #9 Cleaner Wrasse: https://journals.plos.org/plosbiology... | https://www.pnas.org/doi/10.1073/pnas... #8 Rat: https://www.sciencedirect.com/science... | https://www.science.org/doi/10.1126/s... #7 Pig: https://www.sciencedirect.com/science... | https://www.frontiersin.org/journals/... #6 Dog: https://pubmed.ncbi.nlm.nih.gov/21145... | https://www.nytimes.com/2019/07/27/sc... #5 African Grey Parrot: https://www.sciencedirect.com/science... | https://www.sciencedaily.com/releases... #4 Raven: https://www.science.org/doi/10.1126/s... #3 Elephant: https://www.pnas.org/doi/10.1073/pnas... | https://www.nature.com/articles/s4155... #2 Orangutan: https://www.nature.com/articles/s4159... #1 Chimpanzee: https://www.science.org/doi/10.1126/s... | https://www.cell.com/current-biology/... Footage: Wikimedia Commons, CC0/public domain. Music: original. Voice: AI-generated (text-to-speech). #animals #animalintelligence #animalfacts #wildlife #science