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Hot weather leads to unwanted weight loss in young Rockjumpers

In this study, we examined whether population declines in the Cape Rockjumper were caused by decreased provisioning rates at higher temperatures, leading to smaller nestlings and thus lower fledging or post...

Linking foraging and breeding strategies in tropical seabirds

In this study we challenged the widespread view that tropical seabirds forage more unpredictably than temperate and polar species, and we tested the hypothesis that the foraging behaviour of a species...

Ring Ouzels don't like it hot

As specialists of temperate mountain ecosystems in Europe, Ring Ouzels Turdus torquatus are expected to be particularly vulnerable to climate change. However, the underlying mechanisms by which drier and warmer...

An assay to investigate initial orientation in nocturnally fledging seabirds

Shearwaters and petrels are some of the worlds greatest travellers. The migration of adult Manx shearwaters has been documented by use of small biologging devices. It showed that those seabirds fly from UK, across the globe...

NSO journals in Covid-19 times

As the world grapples with COVID-19 we write, above all, to wish you and those close to you continued good health.  These are uneasy times and we wanted to let you know that the editorial office of the Nordic Society Oikos (NSO) is open (online and virtually).

Transparent Peer Review

We are very happy to announce that Journal of Avian Biology is participating in a pilot on transparent peer review.

Smithsonian scientists track endangered bird through its annual cycle

To fully know a species and develop sound conservation efforts, its full life cycle must be understood. But tracking small migratory birds for thousands of miles has proven challenging, if not impossible, in the past. However, using new and minute technology...

Avian malaria affects lekking behaviour of blue-crowned manakins

This research shows the effects of avian malaria, caused by the infection of protozoans of the genus Plasmodium on the social behavior of Blue-crowned manakins. The birds of this species are well-known for holding exhibitions of dances to females during...

Gut microbiota of migratory passerines during stopover

Studies from mammalian systems have highlighted an important role of the gut microbiota in regulating host digestion, metabolism, and immune function; however the makeup and impacts of gut microbiota in avian gastrointestinal tracts is poorly known.

Comparing geolocator and high-precision GPS data

Few recent technologies have been embraced by the ornithological community as rapidly as solar geolocation tracking devices. Although the first and rather large ‘geolocators’ became available more than two decades ago, with their recent miniaturization...

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