you watch closely you will see it also uses that finger for some else. this footage filmed in a limo century in the us inspired one biologist to investigate. inspired one biologist to investigate. the first time that i was investigate. the first time that i was seeing - investigate. the first time that i was seeing it - investigate. the first time | that i was seeing it picking its nose i was really amazed and really surprised because it was putting the entire length of its middle finger inside its nasal cavity and it s about eight centimetres and i was really wondering, where this finger is going. and another thing that was really surprising is that that was the first time i was seeing another animals than human picking its nose. , ., . , ., nose. the researchers found that a dozen nose. the researchers found that a dozen species - nose. the researchers found that a dozen species of- that a dozen species of primates including chimpanzees, gorillas and orangutans also frequently p
and really surprised because it was putting the entire length of its middle finger inside its nasal cavity and it s about eight centimetres. and i was really wondering, where this finger is going. and another thing that was really surprising is that that was the first time i was seeing another animals than human picking its nose. the researchers found that a dozen species of primates, including chimpanzees, gorillas and orangutans also frequently pick their noses. this suggests, they say, that the behaviour involved because it has potential benefits. they think proteins in nasal mucus might even benefit the immune system. whatever the reason, scientists point out that humans aren t the only animals that pick our noses, and that, however revolting you think it might be, is a habit that should be investigated. you have been watching bbc news. there is plenty more coming up. and we will have plenty more on that story as well, i m sure. i will say