anyone with pet rats knows they giggle.And scientists have proved it!
Mice also have a squeal they use to invite play. It took a while to discover that because it is inaudible to humans.
February 08, 2017
pam Miner over 9 years ago
anyone with pet rats knows they giggle.And scientists have proved it!
pschearer Premium Member over 9 years ago
Mice also have a squeal they use to invite play. It took a while to discover that because it is inaudible to humans.