Never alone
By mansuetus on 2008-12-01 02:00:00
In Switzerland, having only one guinea-pig is against the law.
Details :
The same rule applies for budgerigars, or any other “social species” (meaning that they usually live with a companion). This law on animal protection dating back to September 2008 also specifies that a goldfish should be knocked out before being killed.
The Times – New Swiss law protects rights of 'social' animals
tsr.ch – Une loi unique sur les animaux de compagnie