Based on a molecular neuroendocrine theory about cold environments, thyroid hormone levels, and liganded thyroid hormone receptor interference with estrogen receptor function, experiments were ...

The Wilson Journal of Ornithology, Vol. 125, No. 4 (December 2013), pp. 800-808 (9 pages) Results are reported from a citizen-science program to study the ecology, behavior, and reproduction of an ...

Social behavior consists of a set of interactions among individuals of the same species. A wide range of sociality occurs among animals. Some animals rarely if ever interact with one another, even ...

The 2011 Guide for the Care and Use of Laboratory Animals contains recommendations regarding the amount of cage space for mothers with litters. Literature on cage-space use in breeding rats is sparse.