animal brown field mouse food furry house mouse mammal mouse pail rodent seeds sunflower seeds adaptable aloof appearance appearances cat collar companionable domestic domesticated expression expressions eyes felid feline felis-catus field-mouse friends ginger house-cat independent lanquid pet placid popular positions posture postures reclining relaxing resting social stretched tabby various expressions warm whiskers young busy in office computer program computer specialist computers engineer in office hard work keyboard laptops office work structural analysis white collar man work on computer