Migration
The Cuckoo That Disappears in June
Satellite tracking has finally answered the oldest question in British ornithology, and the answer involves the Congo basin and a remarkable amount of bad luck.
Section
Migration
The Arctic tern's 70,000-kilometre year, radar ornithology, the great connectivity of continental flyways.
Migration
The Eleonora's Falcon and Its Late Summer Clock
A small Mediterranean raptor breeds two months later than every other Western Palearctic falcon. The reason involves migrating songbirds and the wind on the Aegean.
Migration
What the Yellow Sea Mudflats Still Hold
Two decades of seawall construction took most of the East Asian-Australasian Flyway's critical staging habitat. What survived is now under intensive watch.
Migration
The Bar-Tailed Godwit's Eleven-Day Flight
What a single juvenile godwit named B6 told a research team about the absolute limits of non-stop migration.
Migration
A Month of Stopover on the Texas Coast
At High Island and Sabine Woods, the difference between a good migration year and a bad one is measured in caterpillar abundance and the wind on the Gulf.
Migration
The Night Radar Sees What the Eye Cannot
How NEXRAD weather radar, designed for storms, has quietly become the most important tool in North American migration science.
Migration
What the Monarch Shares with the Songbird
Two migrations, one continental, one hemispheric. The parallels are stranger than the differences.
Migration
The Arctic Tern's Seventy-Thousand-Kilometre Year
What a small geolocator attached to a 110-gram bird on a Farne Islands cliff has taught researchers about the longest migration on Earth.