Chris Kratt, katswiri wa zamoyo, ndi mchimwene wake Martin, katswiri wa zinyama, apeza nyama zingapo ndikusintha kukhala nyamazi kuti aziwadziwa bwino. Amachita nawo gawo loti, "Bwanji tikadakhala ndi mphamvu" za nyamayi. Kenako abale amapita kukaphunzira nyama zaufulu ndi zakutchire. Nthawi zambiri amatha kupulumutsa nyama ku ziwopsezo. Abale a Kratt amathandizidwa ndi Aviva Corcovado, injiniya wa biomechanical yemwe anapanga "zovala zamagetsi" zomwe zimalola anthu kutsanzira luso la zinyama ndi zipangizo zina zothandizira abale pa maphunziro awo a zinyama ndi kugonjetsa anthu oipa.