A substantial amount of research has been carried out on recognition behaviour in natural
populations of pinnipeds. This work includes detailed anecdotal and quantitative …

The important role that mate choice plays in the lives of animals is matched by the large and
active research field dedicated to studying it. Researchers work on a wide range of species …

The voices of birds have always been a source of fascination. Nature's Music brings together
some of the world's experts on birdsong, to review the advances that have taken place in our …

Female songbirds are thought to assess males based on aspects of song, such as repertoire
size or amount of singing, that could potentially provide information about male quality. A …

Some animal vocalizations have been described as referential, or semantic, because
individuals respond to them as if they designate some object or event. Alternatively, subjects …

Motor constraints on vocal production impose a trade–off between trill rate and frequency
bandwidth within birdsong. We tested whether domesticated canary (Serinus canaria) …

Bird song is unusual as a sexually selected trait because its expression depends on
learning as well as genetic and other environmental factors. Prior work has demonstrated …

Pseudoreplication is one of the most influential methodological issues in ecological and
animal behavior research today. At its inception, the idea of pseudoreplication highlighted …

Animal vocalizations used for long-distance communication are shaped by acoustic
properties of the environment. Studies of the relationship between signal design and sound …

Anthropogenic change such as road construction and subsequent traffic noise in pristine
habitats has been shown to be detrimental to a range of vertebrate taxa. The effect of …