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barbarahelm.bsky.social

@barbarahelm.bsky.social

Reposted by @barbarahelm.bsky.social

Journal of Avian Biology @avianbiology.bsky.social · 09/03/2026

✨ New Special Issue Out! "New frontiers in avian physiology: what’s migration got to do with it?" This special issue highlights emerging frontiers across scales, from molecules to whole organisms, in relation to the physiological mechanisms behind birds’ migratory feats ➡️ vist.ly/4u94s 🪶

Cover credit and caption: Migratory birds face the complex challenges of migration with an array of physiological adaptations, exemplified clockwise: thermoregulatory, endocrine, microbial, energy metabolism (fuel use), immune and mitochondrial. Water colour painting of a bar-tailed godwit by Abby McBride.

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Reposted by @barbarahelm.bsky.social

Journal of Avian Biology @avianbiology.bsky.social · 10/03/2026

✨ Editorial: a summary and synopsis of the studies included in the special issue on migration physiology written by the editorial team @pablosalmon.bsky.social @barbarahelm.bsky.social #TiiaKärkkäinen ➡️ vist.ly/4ucex #ornithology #birds #migration #physiology

Special issue flyer. Photo shows bar-tailed godwits (image: iStock)

Editorial team behind the special issue: Tiia Kärkkäinen, Pablo Salmón and Barbara Helm

Figure from the editorial: Features and topics of the studies included in the Special Issue. (A) Global distribution of studies with Flyway System boundaries and names defined according to BirdLife International. The circle size represents the number of studies per country. (B) Taxonomic composition of studies grouped into broad species categories. (C) Distribution of studies across physiological domains addressed in this issue. Each category represents a primary focus, although several studies span multiple topics.

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Reposted by @barbarahelm.bsky.social

Journal of Avian Biology @avianbiology.bsky.social · 10/03/2026

Studies like this are increasingly valuable for understanding the physiological limits of migratory species and projecting the potential impacts of climate change on migratory performance.

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Reposted by @barbarahelm.bsky.social

Journal of Avian Biology @avianbiology.bsky.social · 10/03/2026

✨ Special issue spotlight - Thermal resilience across hot frontiers #JulianHasenbichler and colleagues compare panting onset temperatures in 14 short- and long-distance migrant species during autumn migration in Austria before they face major thermal barriers. ➡️ vist.ly/4uees #ornithology

Eurasian reed warbler (top left), barn swallow (top right), reed bunting (lower left) and red-backed shrike (lower right) - four of the 14 species studied by Hasenbichler et al. Photos: Wikimedia common (TRinaud, Dion Art, Charles J. Sharp and gilgit2).

Fig. 1 from the article: the onset of panting temperature (TPANT, the value of TA where a sharp increase in evaporative water loss was observed) and TPANT_OBSERVED (the value of TA where we could visually assess the beginning of panting) of migratory passerines (n = 102), measured at the Biological Station Illmitz from August to October 2021.

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