Of course chickens have saliva! How do you think they get their food down? Here's a link talking about it.
http://www.dpi.qld.gov.au/27_2705.htm
Chickens do have taste buds as the links to the Univ of Florida agricultural extension website another member shows but the birds do not have an innate sense of what is edible or inedible which is the reason they will eat styrofoam, staples, plastic, and any odd manner of inedible things.
As far as a sense of smell, the article below says they have an acute sense of smell:
http://www.medicalnewstoday.com/articles/17563.php
Overall, while they may not appreciate Eau d'cologne or a nice merlot.....they've got the same five senses we do.
http://www.dpi.qld.gov.au/27_2705.htm
Chickens do have taste buds as the links to the Univ of Florida agricultural extension website another member shows but the birds do not have an innate sense of what is edible or inedible which is the reason they will eat styrofoam, staples, plastic, and any odd manner of inedible things.
As far as a sense of smell, the article below says they have an acute sense of smell:
http://www.medicalnewstoday.com/articles/17563.php
Overall, while they may not appreciate Eau d'cologne or a nice merlot.....they've got the same five senses we do.