Highly pathogenic avian influenza (HPAI) outbreaks in wild birds and poultry are no longer a
rare phenomenon in Europe. In the past 15 years, HPAI outbreaks—in particular those …

Many fields of science begin with a phase of exploration and description, followed by
investigations of the processes that account for observed patterns. The science of ecology is …

Analyses of HPAI H5 viruses from poultry outbreaks across a wide Eurasian region since
July 2020 including the Russian Federation, Republics of Iraq and Kazakhstan, and recent …

Long-distance migratory organisms are under strong selection to migrate quickly. Stopovers
demand more time than flying and are used by individuals to refuel during migration, but the …

Commentary 1282[Auk, Vol. 122 al. 2002, Tankersley and Orvis 2003). Given that migration
may constitute the most vulnerable and unpredictable period of the annual cycle (Moore …

Estimation of demographic parameters is central to research questions in wildlife
management, conservation, and evolutionary ecology. I review the 7 major classes of mark …

Birds usually migrate by alternating flight bouts and stopovers for refueling. The decision
when to leave a stopover place is of paramount importance for the success of migration …

Many features of the migration of passerine birds are endogenously programmed and have
a strong genetic basis. At least in inexperienced migrants, the general seasonal course of …

Nearly 300 species of landbirds, whose populations total billions, migrate between the
Neotropics and North America. Many migratory populations are in steep decline, and …

Migratory birds replenishing their fuel stores have to decide when to leave their stopover site
for the next flight bout. We studied whether the decision to leave a stopover site depends on …