Insects are the most diverse group of animals on Earth, but their small size and high diversity
have always made them challenging to study. Recent technological advances have the …

During seasonal changes around the globe, trillions of insects are on the move. Many insect
populations, including butterflies, moths, hoverflies, and dragonflies, make repeated …

Species extinctions have defined the global biodiversity crisis, but extinction begins with loss
in abundance of individuals that can result in compositional and functional changes of …

Remote sensing has revolutionised many aspects of ecological research, enabling
spatiotemporal data to be collected in an efficient and highly automated manner. The last …

Billions of animals cross the globe each year during seasonal migrations, but efforts to
monitor them are hampered by the unpredictability of their movements. We developed a bird …

Avian migration is one of Earth's largest processes of biomass transport, involving billions of
birds. We estimated continental biomass flows of nocturnal avian migrants across the …

Large networks of weather radars are comprehensive instruments for studying bird
migration. For example, the US WSR‐88D network covers the entire continental US and has …

Nocturnal avian migration flyways remain an elusive concept, as we have largely lacked
methods to map their full extent. We used the network of European weather radars to …

Many migratory species have experienced substantial declines that resulted from rapid and
massive expansions of human structures and activities, habitat alterations and climate …

The aerosphere is utilized by billions of birds, moving for different reasons and from short to
great distances spanning tens of thousands of kilometres. The aerosphere, however, is also …