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Singing Mice and Brain Chemistry
Shirlockc writes "The Public Library of Science has a research article on how male mice actually sing in the presence of females. They actually posted some of the audios adjusted for human ears as these songs are ultrasonic. The authors are comparing these warbles to bird songs. The songs are quite complex so do the mice learn them and/or improve on them? This can be a potential model for investigating how brain chemistry works during learning."
David Attenborough, noted naturalist, remarked upon the discovery of a rare night-singing tree mouse found in the Sheba Islands in the south Pacific. The musendrophilus has a very haunting song. Also their webbed paws are highly prized by the natives for the creation of their musical instruments.
It is unknown if they are related to the rare "tree squeaks" that live in the treetops and squeak every time the wind rustles their home's boughs.