The social role of song in wild zebra finches

H Loning, L Verkade, SC Griffith, M Naguib - Current Biology, 2023 - cell.com
Male songbirds sing to establish territories and to attract mates. 1, 2 However, increasing
reports of singing in non-reproductive contexts 3 and by females 4, 5 show that song use is …

Androgen and estrogen sensitivity of bird song: a comparative view on gene regulatory levels

C Frankl-Vilches, M Gahr - Journal of Comparative Physiology A, 2018 - Springer
Singing of songbirds is sensitive to testosterone and its androgenic and estrogenic
metabolites in a species-specific way. The hormonal effects on song pattern are likely …

Altruistic bet-hedging and the evolution of cooperation in a Kalahari bird

P Capilla-Lasheras, X Harrison, EM Wood… - Science …, 2021 - science.org
Altruism is globally associated with unpredictable environments, but we do not understand
why. New theory has highlighted that unpredictable environments could favor the evolution …

Seasonal hormone fluctuations and song structure of birds

M Gahr - Coding strategies in vertebrate acoustic …, 2020 - Springer
Traditionally, it is assumed that singing of birds is a male-typical testosterone-dependent
behavior. In this review I point out that singing outside the breeding season is common in …

Beyond a biased binary: a perspective on the misconceptions, challenges, and implications of studying females in avian behavioral endocrinology

KO Smiley, SE Lipshutz, AA Kimmitt… - Frontiers in …, 2022 - frontiersin.org
For decades, avian endocrinology has been informed by male perspectives and male-
focused research, leaving significant gaps in our understanding of female birds. Male birds …

Social dominance and rainfall predict telomere dynamics in a cooperative arid‐zone bird

EM Wood, P Capilla‐Lasheras, DL Cram… - Molecular …, 2022 - Wiley Online Library
In many vertebrate societies dominant individuals breed at substantially higher rates than
subordinates, but whether this hastens ageing remains poorly understood. While frequent …

Dominance-related contributions to collective territory defence are adjusted according to the threat

JE York, KJ Wells, AJ Young - Animal behaviour, 2019 - Elsevier
Highlights•Simulated intrusions were used to contrast contributions to territory
defence.•Dominants contribute significantly more than subordinates to territory …

Early-moulting Red-backed Fairywren males acquire ornamented plumage in the absence of elevated androgens

SM Lantz, J Boersma, H Schwabl… - Emu-Austral …, 2017 - Taylor & Francis
Sexual ornaments, including plumage ornamentation, are often studied during breeding
periods even though signal development can take place months earlier. This temporal …

Plumage coloration and social context influence male investment in song

LJ Henderson, KR Brazeal, TP Hahn - Biology letters, 2018 - royalsocietypublishing.org
Animals use multiple signals to attract mates, including elaborate song, brightly coloured
ornaments and physical displays. Female birds often prefer both elaborate male song and …

Sound and Vocal Production and Function

G Ritchison - In a Class of Their Own: A Detailed Examination of …, 2023 - Springer
Acoustic communication plays a critical role in the lives of most species of birds. The focus of
this chapter is on the ways that birds produce both nonvocal and vocal sounds. The anatomy …