Study highlights the interplay of song development and territorial behavior in winter quarters. Under the Tanzanian skies, some thrush nightingale males reside in close proximity to each other, a ...

When most people imagine territorial aggression in the animal kingdom, they picture lions roaring across the savanna or wolves howling at pack borders. Fierce, obvious, and easy to respect. The ...

All societies have some way of recognizing private spaces and punishing those who do not respect the boundaries of these spaces, and this has been true throughout human history. Ancient Romans even ...

Scientists have discovered for the first time that invasive rats on tropical islands are affecting the territorial behavior of fish on surrounding coral reefs. The new study shows that the presence of ...

As they cling to leaf tips, newborn warty birch caterpillars produce vibrations that can ward off invaders approaching their millimeter-size domain. By Becky Ferreira When territorial animals are ...