Unlike the case for females, male nest-building among ring doves depends on the behavior of the prospective mate rather than on hormonal mechanisms.

This finding is consistent with a large collaborative study [ 19 ] showing breastfeeding to be protective for breast cancer through hormonal or other mechanisms.

Some sources state that the term implies a hormonal mechanism.

The breeding cycle of these frogs is affected by extrinsic environmental conditions and intrinsic reproductive hormonal mechanisms.

The degree of secretory activity is regulated by neural and hormonal mechanisms (men produce greater volumes of sweat than women).

Plasma calcium levels are regulated by hormonal and non-hormonal mechanisms.

Social and hormonal mechanisms underlying male reproductive strategies in black howler monkeys (Alouatta pigra).

A low-fat diet might influence breast cancer risk through hormonal mechanisms.

Hand-warming involves arteriole vasodilation produced by a beta-2 adrenegeric hormonal mechanism.

Thus, the authors said, nervous system and hormonal mechanisms may play critical roles in regulating longevity in some animals.