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*Study | Gulls promote multi-species colonies as they leave former refuges
The yellow-legged gull (Larus michahellis) is often considered an over-abundant pest species, stemming from a belief that is not entirely correct.
Special Issue | Ask the editors: human pressures on bird reproduction
What’s it like to edit a special issue for JAB? Hear it from the guest editors of “Avian reproductive behaviours in the context of human-induced environmental change.”
*Cover | Incubation behaviour in a double-nesting alpine bird Alectoris graeca saxatilis: similar nest attendance by males and females
September-October cover depicting a rock partridge pair, featuring the article 'Incubation behaviour in a double-nesting alpine bird Alectoris graeca saxatilis: similar nest attendance by males and females' by Bernard-Laurent et al. Photo credit: Jean Guillet.
*Study | Brood awakening: how red kites weigh risk like feathered economists
Parental care is a balancing act — parents must protect their young while minimizing risks to themselves, to ensure current, but also future reproductive success.
*Study | Overcoming technological constraints in the tracking of small, elusive birds
Advances in GPS and biologging technology have greatly enhanced our understanding of wildlife ecology, providing valuable data on movement, habitat use, behaviour, and biological rhythms.
*Study | Mechanisms matching timing to resources: comparisons of closely related seasonally sympatric, migratory and non-migratory populations
The climate is warming, and many bird species are keeping up by altering when they migrate, breed, and molt, that is, by altering their phenology. To make accurate predictions about future responses to climate warming, knowledge of the mechanisms regulating timing is needed.
New editor | Paul Dufour, subject editor for JAB
Paul is a research associate at the Swiss Ornithological Institute in Sempach, Switzerland. Read more about his research and interests in this interview.
*Study | Radar revelations: insect availability influences parental provisioning in breeding tree swallows
While tree swallows have been the focal species in hundreds of studies, little is known about their high elevation populations. Simons et al. addressed this gap by researching a breeding population of swallows at Colorado State University’s Mountain Campus.
Study | Variation in physiological indicators among forest birds
Before we can assess the impact of environmental factors on bird communities, it is crucial to first understand natural variation in physiological indicators.