English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

I compare paternity defense strategies in the variable mating systems of alpine accentors Prunella collaris and dunnocks P. modularis. I show that in dunnocks breeding territoriality functions exclusively for mate defense. Male investment in territoriality increases with the number of females they are defending, and when females are removed males sharply decrease dieir song output and eventually abandon their territories. Further, I show that paternity defense strategies vary in relation to group composition. In single-male groups there is greater investment in territorial defense and less investment in mate guarding during the female fertile period dian in multimale groups. I discuss the influence of the contrasting habitats of dunnocks and alpine accentors on their paternity defense strategies.

Territoriality and song as flexible paternity guards in dunnocks and alpine accentors