Moment From The Secret of NIMH

Mrs. Brisby meets a rat guard
Mrs. Brisby faces a rat guard as she searches for Nicodemus.
A widowed field mouse must move her family -- including an ailing son -- to escape a farmer's plow. Aided by a crow and a pack of superintelligent, escaped lab rats, the brave mother struggles to transplant her home to firmer ground.
Tags: secret, mouse, widow, crow, illness, half dressed cartoon animal