A system for marking a non-human biological object and removing a sample of the biological object, which object is in particular an animal, comprising: a first tag part (1), a second tag part (2), a pin (3), a sample container (10) and, a sample removing stopper (20) the system further including a functional compound arranged within a compartment of the system such that said functional compound is in communication with said sample when said sample has been introduced into the sample container.