- Emily G Patterson-Kane: Department of Behavioural Sciences, Animal Biology Division, Sir Stephen Watson Building, Bush Estate, Penicuik EH26 0PH, Scotland, UK.
Nest boxes are a simple and effective form of environmental enrichment. Rats accept a wide range of nest-box types but have the strongest relative T-maze preference for enclosed, opaque, thermoplastic boxes. All laboratories should provide their rats some type of nest box, depending on the most convenient and effective method.