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

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The idea that tiny amounts of antidepressants present in our rivers ...

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 ...

What are the causes of such diverse behaviors among living organisms? How do we study behavior? Research in animal behavior informs ecology and evolution and offers solutions for problems in ...

An international research team has used high tech methods to uncover a mechanism through which the right combination of bacteria in the gut can lead to microbiome resilience to dietary alterations, ...

This blog post addresses behavior across all animal species. It considers what we can learn about behavior when we do not limit our study to just humans. Studying nonhuman animal behaviors is ...

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.

Ross Sea killer whales from the Antarctic are distinguished by their narrow angled eye patch. The smallest of the three Antarctic types, these orcas eat fish that are found primarily under the ice ...

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 ...

When a feline gets threatened, it engages in a suite of behaviors that seem to have the purpose of facilitating its own survival. A cat will growl angrily. It will arch its back. And even the fur on ...