According to ABC News, rat laughter may provide a clue as to why humans laugh. Heck, I've known for quite awhile rats laugh.
I hope no one is protesting those animal experiments!
UPDATE: And thanks to our friend Angelratgirl, you can hear rat giggling here (MP3 at the bottom of the page).
Posted by Publius at March 31, 2005 09:26 PMHi, I enjoyed your rat pics, I once had many rats, now I only have one because of where I live. Your site makes me want more badly. I love rats and I like the way you incorporated tips on making them happy like cage size into your stories and pics. I have several Ferret cages from when I had my rat commune. One for females and one for males. They are so big and I customized them so each cage was 4 stories tall and they could climb through holes to get to each level. I miss them so much. Thank you for bringing back the memories.
Posted by: Kimberly at April 10, 2005 03:20 PM