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NSF Macrodemography project

I recently got awarded an NSF Macrosystems award to study avian demography from a large-scale perspective, in collaboration with Ali Johnston and Frank La So...

BirdCast

At BirdCast we develop and maintains tools that predict and monitor bird migration. These include forecast bird migration maps that predict where and when bi...

3 billion birds lost

For a large collaborative study into ongoing population changes in North America, I tracked bird biomass flows through the US since 2007 with the NEXRAD weat...

Energetics of long-distance migration

How do Dark-bellied Brent Geese (Branta bernicla bernicla) prepare in the Dutch Wadden Sea for their fast migration to Taimyr peninsula in Russia?

Flight behaviour of Common Swifts

Common Swifts (Apus apus) are specialist flyers which spend nearly their entire life on the wing. At night they show impressive (and puzzling) flight behavio...