Not So Solitary: Female Ruffs Cluster Nests Around Leks and Neighbours
The spectacular male display is the visible centre of a breeding system shaped just as strongly by female choice. © Sergey Volkov
Ecology and Behaviour

Not So Solitary: Female Ruffs Cluster Nests Around Leks and Neighbours

Female Ruffs reveal a hidden social strategy: new research shows their nests cluster around leks and neighbours, reshaping how we understand habitat selection in this declining wader.

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What Do Shearwaters Eat? Uncovering a Mediterranean Food Web
The Mediterranean endemic, Yelkouan Shearwater, relies heavily on small pelagic fish such as anchovies and mackerel, linking its fortunes closely to the region’s marine food web. © Jessica Joachim

What Do Shearwaters Eat? Uncovering a Mediterranean Food Web

DNA metabarcoding and stable isotope analysis reveal how two Mediterranean shearwaters share the same prey — and what that overlap tells us about life in a changing marine ecosystem.
Ecology and Behaviour
Gyorgy Szimuly

Gyorgy Szimuly
Sound-based surveys uncover fine-scale habitat selection in the declining Crested Tit
Forest birds are often assumed to depend primarily on age and maturity, yet fine-scale structure and composition may shape habitat use long before breeding begins. © Steve Roach

Sound-based surveys uncover fine-scale habitat selection in the declining Crested Tit

New research from Finland suggests that Crested Tits respond more to fine-scale forest structure than to forest age in early spring, challenging assumptions about how habitat quality is defined in managed boreal forests.
Ecology and Behaviour
Gyorgy Szimuly

Gyorgy Szimuly
Six Years After First Breeding, Alpine Swifts Are Colonising Hungary
The Alpine Swift was considered a rare visitor to Hungary until breeding was first confirmed in 2020. Six years later, it is breeding in several Hungarian cities, and its numbers continue to grow. / El vencejo real se consideraba un visitante raro en Hungría hasta que se confirmó por primera vez su reproducción en 2020. Seis años después, se reproduce en varias ciudades húngaras y su población sigue creciendo. © James Hoagland

Six Years After First Breeding, Alpine Swifts Are Colonising Hungary

Six years after Alpine Swifts first bred in Hungary, their numbers are increasing and new breeding sites are appearing. What began as an exceptional event is starting to look like an established population.
News
Gyorgy Szimuly

Gyorgy Szimuly
When Can a Bird Afford to Moult?
Common Bulbuls can breed year-round, yet their moult remains strongly seasonal and responsive to body condition and diet. / Los bulbules naranjeros pueden reproducirse durante todo el año, pero su muda sigue siendo marcadamente estacional y responde a la condición corporal y a la dieta. © Jeff Maw

When Can a Bird Afford to Moult?

In Common Bulbuls, the conditions associated with starting moult differ from those associated with completing it quickly. An experiment in Nigeria shows how body condition and diet shape different stages of feather replacement.
Conceptual Notes Avian Diet
Gyorgy Szimuly

Gyorgy Szimuly
Do GPS Tags Affect Small Shorebirds?
Advances in lightweight GPS technology are allowing researchers to study the movements of even small shorebirds like the Kentish Plover (Anarhynchus alexandrinus) while carefully assessing the welfare implications of tagging. © Ayuwat Jearwattanakanok

Do GPS Tags Affect Small Shorebirds?

Solar-powered GPS tags are opening new possibilities in shorebird research — but how close are we to the limits of what small birds can carry without consequence?
Fieldwork and Technology
Gyorgy Szimuly

Gyorgy Szimuly
The Art of Recognition: Firefinch Reframes the Path to Becoming an Ornithologist
Unlike photography, illustration allows repeated field impressions to be compressed into a single scene — combining posture, behaviour, habitat, and the way a species is most often remembered by observers in the field. Cotton Pygmy Geese illustrated by Faansie Peacock for Firefinch. © Firefinch / Faansie Peacoc

The Art of Recognition: Firefinch Reframes the Path to Becoming an Ornithologist

Birding apps usually promise speed, certainty, and instant answers. Firefinch moves in another direction entirely – towards attention, illustration, and the slower process of learning how to truly recognise birds.
Fieldwork and Technology
Gyorgy Szimuly

Gyorgy Szimuly