In recent years, there have been over 50 comparative analyses carried out in which social or
ecological variables have been used to explain variation in whole brain size, or a part …

Complex brains and behaviors have occurred repeatedly within vertebrate classes
throughout evolution. What adaptive pressures drive such changes? Both environmental …

Literature Cited to accompany Animal Communication, 2e Page 1 Principles of Animal
Communication, Second Edition Jack W. Bradbury and Sandra L. Vehrencamp Chapter 14 …

Sexual and asexual reproduction are found throughout the plant and animal kingdoms.
Asexual reproduction has its advantages, chief among which is that it does not require the …

From termite mounds that in relative terms are three times as tall as a skyscraper, to the
elaborate nests of social birds and the deadly traps of spiders, the constructions of the …

Mate choice and mate attraction are important behaviours influencing the evolution of
elaborate traits. It is possible that male general cognitive performance plays an important …

Comparative and experimental approaches to cognition in different animal taxa suggest
some degree of convergent evolution. Similar cognitive trends associated with similar …

To what extent do individuals assess the cognitive abilities of the opposite sex when
choosing a mate? With the exception of song learning in birds, the hypothesis that cognitive …

The brain is a trait of central importance for organismal performance and fitness. To date,
evolutionary studies of brain size variation have mainly utilized comparative methods …

Animal signals may result from construction behaviour and can provide receivers with
essential information in various contexts. Here we explore the potential benefits of extended …