EthoVision 3.1 
State parameters calculated in
EthoVision 3.1
(for instance 'in proximity/not in proximity' or 'mobile/immobile') can be exported to The Observer and analyzed together with the data obtained with the latter software program. You benefit from the fast automated tracking of EthoVision 3.1 for parameters such as movement, proximity, and immobility plus gain the ability to manaully code detailed behaviors such as sniffing, biting, and mounting in The Observer!