The ability to generate new meaning by rearranging combinations of meaningless sounds
is a fundamental component of language. Although animal vocalizations often comprise …

The microbial community in the gut is influenced by environmental factors, especially diet,
which can moderate host behaviour through the microbiome-gut-brain axis. However, the …

Vocalisations represent the primary mode of communication for most birds and vary greatly
in form and function within and between species. Cataloguing the vocal repertoire of a …

In many endangered species, reproductive failure is a major barrier to recovery. The critically
endangered kākāpō Strigops habroptilus exemplifies this challenge: 61% of their eggs fail …

The gut microbiota have important consequences for host biological processes and there is
some evidence that they also affect fitness. However, the complex, interactive nature of …

Highlights • Contact calls are specific to individuals but not groups in chestnut-crowned
babblers. • Dual broadcasts of familiar and unfamiliar calls tested for group discrimination. • …

Personality research suggests that individual differences in risk aversion may be explained
by links with life-history variation. However, few empirical studies examine whether …

The microbial community in the gut is influenced by environmental factors, especially diet,
which can moderate host behaviour through the microbiome-gut-brain axis. However, the …

Territorial animals often respond less aggressively to neighbours than strangers. This ‘dear
enemy’ effect is hypothesized to be adaptive by reducing unnecessary aggressive …

Ornithology has a venerable history. Worldwide, birds are both culturally important and one
of the most salient reminders of the natural world, and beyond their regular appearances in …