vulpine
From Longman Dictionary of Contemporary Englishvulpinevul‧pine /ˈvʌlpaɪn/ adjective formal relating to foxes, or similar to a foxExamples from the Corpusvulpine• It includes hunts coming across groups of foxes sitting about in fields - hardly typical vulpine behaviour.• The thriving vulpine population is seen by various urban authorities as a problem.