▁equal ▁to ▁one - half ▁of ▁the ▁dog ' s ▁height ▁at ▁the ▁with ers . ▁The ▁head ▁has ▁a ▁broad , ▁slightly ▁dom ed ▁sk ull ▁and ▁the ▁m uzz le ▁is ▁slightly ▁higher ▁at ▁the ▁nose ▁than ▁the ▁stop , ▁when ▁viewed ▁in ▁profile . ▁The ▁tail ▁is ▁set ▁low , ▁thick ▁at ▁the ▁base ▁and ▁tap ers ▁to ▁a ▁point . ▁ ▁It ▁has ▁been ▁described ▁as ▁looking ▁similar ▁to ▁the ▁American ▁Bul ld og , ▁but ▁very ▁tall ▁with ▁a ▁solid ▁white ▁coat . ▁The ▁bre ed ▁has ▁also ▁been ▁described ▁as ▁looking ▁similar ▁to ▁the ▁American ▁Pit ▁Bull ▁Ter rier , ▁even ▁though ▁the ▁American ▁Pit ▁Bull ▁Ter rier ▁is ▁far ▁smaller ▁( 1 3 . 5 ▁to ▁ 2 7 ▁kil og rams ). ▁ ▁History ▁ ▁In ▁ 1 9 2 8 , ▁Antonio ▁N ores ▁Mart ine z , ▁a ▁medical ▁doctor , ▁professor ▁and ▁sur geon , ▁set ▁out ▁to ▁bre ed ▁a ▁big ▁game ▁hunting ▁dog ▁that ▁was ▁also ▁capable ▁of ▁being ▁a ▁loyal ▁pet ▁and ▁guard ▁dog . ▁Antonio ▁Mart ine z ▁picked ▁the ▁Cord oba ▁Dog ▁to ▁be ▁the ▁base ▁for ▁the ▁bre ed . ▁This ▁bre ed ▁is ▁ext inct ▁today , ▁but ▁it ▁was ▁said ▁that ▁as ▁a ▁large ▁and ▁f ero cious ▁dog , ▁it ▁was ▁a ▁great ▁h unter . ▁Mart ine z ▁crossed ▁it ▁with ▁the ▁Great ▁D ane , ▁Box er , ▁Spanish ▁M ast iff , ▁Old ▁English ▁Bul ld og , ▁Bull ▁Ter