Beyond the Tide: Assessing Storm Impacts on African Oystercatchers
Winter storms restrict access to intertidal feeding grounds, posing a potential energetic challenge for African Oystercatchers. © Xabier Vázquez Pumariño
Ecology and Behaviour

Beyond the Tide: Assessing Storm Impacts on African Oystercatchers

When powerful winter storms roll over South Africa’s coasts, the African Oystercatcher faces an invisible threat: days without food as the sea swallows its feeding grounds.

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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
Three Wheatears, Three Routes into Africa
Pied Wheatears breeding at the western edge of their vast Eurasian range take a surprisingly direct migration route through Anatolia and the Arabian Peninsula to non-breeding grounds in Somalia. / Las collalbas pías que se reproducen en el extremo occidental de su extensa área de distribución euroasiática siguen una ruta migratoria sorprendentemente directa a través de Anatolia y la península arábiga hasta sus zonas no reproductoras en Somalia. © Ohad Sherer

Three Wheatears, Three Routes into Africa

Three closely related wheatears leave southern Europe for different parts of Africa. Tracking birds from Spain, Greece and Romania reveals contrasting migration routes and places Eastern Black-eared Wheatears more than 1,000 kilometres beyond their previously described non-breeding range.
Movement and Distribution
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