Why does noise reduce response to alarm calls? Experimental assessment of masking, distraction and greater vigilance in wild birds

Y Zhou, AN Radford, RD Magrath - Functional Ecology, 2019 - Wiley Online Library
Environmental noise from anthropogenic and other sources affects many aspects of animal
ecology and behaviour, including acoustic communication. Acoustic masking is often …

Australian magpies adjust their alarm calls according to predator distance

M Dutour, SL Walsh, AR Ridley - Bioacoustics, 2021 - Taylor & Francis
Many animals produce antipredator calls in response to the presence of a predator, which,
in some species, can provide information about the distance to predator. Although previous …

Bright birds are cautious: seasonally conspicuous plumage prompts risk avoidance by male superb fairy-wrens

A McQueen, AC Naimo… - … of the Royal …, 2017 - royalsocietypublishing.org
Increased predation risk is considered a cost of having conspicuous colours, affecting the
anti-predator behaviour of colourful animals. However, this is difficult to test, as individual …

Female in-nest attendance predicts the number of ectoparasites in Darwin's finch species

S Kleindorfer, LK Common… - … of the Royal …, 2021 - royalsocietypublishing.org
Selection should act on parental care and favour parental investment decisions that optimize
the number of offspring produced. Such predictions have been robustly tested in predation …

Vocal imitation of mother's calls by begging Red-backed Fairywren nestlings increases parental provisioning

D Colombelli-Négrel, MS Webster… - The Auk …, 2016 - academic.oup.com
Prenatal imitative learning is an emerging research area in both human and non-human
animals. Previous studies in Superb Fairywrens (Malurus cyaneus) showed that mothers are …

[HTML][HTML] Does parental experience with visual and olfactory predator cues have consequences for offspring in guppies?

F Leri, LR Stein - Animal Behaviour, 2024 - Elsevier
Highlights•Guppy adults were exposed to olfactory, visual or combined predator
cues.•Offspring of adults exposed to different sensory cues were raised in freshwater.•Adults …

When aggressiveness could be too risky: linking personality traits and predator response in superb fairy-wrens

J Bilby, D Colombelli-Négrel, AC Katsis, S Kleindorfer - PeerJ, 2022 - peerj.com
Personality syndromes in animals may have adaptive benefits for survival. For example,
while engaging in predator deterrence, reactive individuals tend to prioritise their own …

Predator defense is shaped by risk, brood value and social group benefits in a cooperative breeder

N Teunissen, SA Kingma, A Peters - Behavioral Ecology, 2020 - academic.oup.com
Predation is a major cause of mortality and nest failure in birds. Cooperative predator
defense can enhance nest success and adult survival but, because it is inherently risky …

[HTML][HTML] Koalas showed limited behavioural response and no physiological response to drones

D Colombelli-Négrel, IZ Sach, I Hough… - Applied Animal …, 2023 - Elsevier
Drones have become a popular conservation tool especially when monitoring cryptic
species or species inhabiting locations difficult to access. We developed a non-invasive …

Superb fairy-wrens respond more to alarm calls from mate and kin compared to unrelated individuals

D Colombelli-Négrel, C Evans - Behavioral Ecology, 2017 - academic.oup.com
Variation in the acoustic structure of alarm signals has mainly been viewed as coding
information about the type of predator or the level of threat posed by the predator. Alarm …