Pest Guides

Yellow Necked Field Mouse

Apodemus flavicollis


Yellow Necked Field Mouse

  • The head and body of a Yellow Necked Field mouse is 95 to 120mm in length; where its tail is 75 – 110mm.
  • The Yellow Necked Field Mouse has large ears, protruding eyes and a long tail.
  • The weight of the Yellow Necked Field Mouse ranges between 14g to 45g.
  • This type of field mouse can be identified by the brown fur on their backs and white fur on the underside with a distinctive complete band of yellow fur around their necks.


  • Breeding occurs from March or April until October, with gestation taking 25 or 26 days.
  • Young are fully weaned after about 18 days and usually start to breed the year following their birth.
  • Most mice do not survive longer than 12 months.


  • Yellow Necked Field Mice can spoil or consume stored food or interfere with electrical wiring.
  • They prefer mature broad-leafed woodland and habitats such as hedges, rural gardens and buildings.
  • These types of mice are more likely to enter buildings than Wood Mice (Apodemus sylvaticus).