Birders from across the country traveled to Marin County this month after a local resident recorded what is believed to be the first sighting of a Eurasian songbird on the North American mainland. The ...

The Eurasian bird — known as the willow warbler — was spotted at the Rodeo Lagoon in the Marin Headlands on Oct. 18 by William Legge of Mill Valley, the Marin Independent Journal reported. It’s ...

(KRON) – A tiny bird — a willow warbler — shocked bird watchers by showing up in Marin County. Its appearance marks the first time the bird has ever been seen in California — or even the lower 48 ...

The genetic make-up of a willow warbler determines where it will migrate when winter comes. Studies of willow warblers in Sweden, Finland and the Baltic States show that “migration genes” differ -- ...

Since antiquity, humans have been fascinated by birds’ intercontinental migratory journeys. A new study from Lund University in Sweden shows that two areas in their genome decide whether a willow ...

There are five to six willow warblers singing in the bushes all around me as I write. The sound they yield seems as fresh as the flush of yellow on the sallows in which they hide. Yet in any top 10 of ...

Researchers have studied flight routes to determine how far willow warblers migrate in the autumn. The results show that the willow warbler holds a long-distance migration record in the 10-gram weight ...

Intersexual selection is regarded to be one of the mechanisms responsible for the evolution of versatility in bird song. In this study I examined if intersexual selection could have contributed to the ...

COIMBATORE: Willow Warbler (Phylloscopus trochilus), a migratory bird from a European palearctic area, has been spotted for the first time in Tamil Nadu. Bird watchers Anand Shibu and B Gokula Shrimon ...

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Willow Warbler ( Phylloscopus trochilus), one of the longest migrating small birds that breeds throughout northern and temperate Europe and the Palearctic, has been sighted for the first time in the ...