Coyotes displayed higher androgens when given coyote odor attractants mid-gestation.

Both males and females had higher androgens as first-time breeders during gestation.

Coyotes demonstrated repeatability across years in hormones and scent-marking.

Fecal androgens were positively associated with exploratory behaviors mid-gestation.

Fecal glucocorticoid, androgen metabolites of both sexes decreased over gestation.