Chidziwitso choyamba cha mtundu uwu chinawonekera kumapeto kwa zaka za zana la khumi ndi zisanu ndi zitatu. Chipolopolo cha Chingerezi - mtundu umene wakhalabe wosasinthika ndi nthawi, wakhala akusunga makhalidwe ake onse momwe zingathere.
Kwazaka 40 zapitazo, pali mitundu iwiri ya mtundu wa American Bulldog: mtundu wa Johnson (Wachikale) ndi Scott mtundu (Standard). Mtundu woyamba umasiyanitsidwa ndi thupi lalikulu, chimbudzi chachifupi ndi zachilengedwe zoyang'anira bwino. Pakuti mtundu wachiwiri umakhala ndi zing'onozing'ono zowonongeka, koma kwambiri masewera a thunthu, opangidwira phokoso ndi kutchulidwa mwachangu kufunafuna. M'chikhalidwe cha American Bulldog mtundu, kufotokozera kunja kwa galu ukufotokozedwa mwatsatanetsatane, komanso zizindikiro za khalidwe lake. Ngakhale m'kalata iyi, zolephera za nyamazi zimafotokozedwa, mwazinthu izi: kuchitira nkhanza kwambiri kapena kuchita manyazi kwambiri. Nyuzipepala ya American Bulldog ikhala ndi maumboni angapo, omwe amatha kukhala okhulupilika komanso ofewa, alibe zofunikira zolephereka ndipo sichifunikanso kusagwiritsidwa ntchito pamasewero ndi mikangano.
Bulldog ya America - kufotokoza mtundu wa mtunduwo
Agalu a ku America a Bulldog, ngakhale ali ndi malingaliro okhwima, ali ndi chiyanjano chabwino ndi chikondi chakuya kwa mamembala awo. Agaluwa ndi ochezeka kwa alendo, komanso amamvetsetsa kwambiri ana. Komabe, ngati sali oleredwa kuyambira ali aang'ono, matenda akuluakulu omwe amachitika mu chikhalidwe cha galu adzasokoneza mgwirizano wapakati pakati pa nyamayo ndi wolumikiza, komanso ndi agalu ena. Zizindikiro za mtundu wa American Bulldog umamupatsa iye monga bwenzi lodalirika ndi mlonda, mnzake wapamtima. Monga momwe mbiri imasonyezera, zinyama izi, ndi kukula kwawo ndi maphunziro, zimakhala ndi chidziwitso cholimba cha uzimu, komanso chiyanjano kwa mbuye wawo. Kupeza galu wa mtundu wa American bulldog kumalimbikitsidwa kwa anthu okhumba kwambiri ndi opindulitsa.