- ...that one burrow of the eastern chipmunk (pictured) was found to contain 390 acorns?
- .. that the Hare Indian dog, now extinct, was not known to bark, but puppies learned to imitate the barking of other dogs when the breed was introduced to Europe?
- ... that the rodents Thomasomys ucucha from Ecuador and Oxymycterus hucucha from Bolivia were both named after the local Quechua word for "mouse"?
- ...that the incisors of blesmols are visible even when their mouths are closed?
- ... that the pebble-mound mice of northern Australia construct mounds of stones around their burrows up to 10 m2 in area?
- ... that the stationmaster of the Kinokawa train station in Kinokawa, Japan was a cat named Tama?