internuptial
/ˌɪntəˈnʌpʃl/ /ˌɪntəˈnʌptʃ(ə)l/adjective
Ornithology. Designating the period between successive breeding seasons; relating to or characteristic of this period.
Origin
Mid 19th century (in an earlier sense). From inter- + classical Latin nuptiae wedding + -al.