Why and how new migration routes emerge remain fundamental questions in ecology,
particularly in the context of current global changes. In its early stages, when few individuals …

Avian influenza virus (AIV) in wild birds has been of increasing interest over the last decade
due to the emergence of AIVs that cause significant disease and mortality in both poultry and …

Being faced with unknown environments is a concomitant challenge of species' range
expansions. Strategies to cope with this challenge include the adaptation to local conditions …

Migratory aquatic birds play an important role in the maintenance and spread of avian
influenza viruses (AIV). Many species of aquatic migratory birds tend to use similar migration …

Great Black-backed (Larus marinus), Lesser Black-backed (L. fuscus) and Herring (L.
argentatus) gulls have all shown population increases and range expansion in Greenland in …

Avian influenza viruses (AIVs) have been recorded in a broad variety of hosts, including
humans, terrestrial and marine mammals, and domestic and wild birds. Wild aquatic birds …

Vagrancy is critical in facilitating range expansion and colonization through exploration and
occupation of potentially suitable habitat. Uncovering origins of vagrants will help us better …

We present the first confirmed case of hybridization between a Lesser Black-backed Gull
(Larus fuscus) and Herring Gulls (Larus argentatus) in North America (outside of …

RIAS, a Portuguese wildlife rehabilitation centre located in Algarve, has been admitting a
substantial high number of seagulls, since its opening in October of 2009, with consistent …