Often seen as a lemon-colored blur among leafy treetops, the American yellow warbler is challenging to view with binoculars or capture with a camera. Patience and a bit of luck make it worth the ...

A new study shows that one group of Galápagos yellow warblers responds to intruders more aggressively than others. It adds ...

Written by FoHVos volunteer Jack Hagan.  Jack and FoHVos Executive Director Jenn Rogers been birding together for 10 years ...

But according to new research, the islands’ yellow warblers are adapting their songs and aggressive behaviors differently based on how close they live to these noisy thoroughfares. The study ...

This new study took a closer look at the impact of vehicle noise pollution on the Galápagos yellow warblers. To stimulate the sound of an intruder, the team played bird songs from a speaker and ...

Only when it is singing will it sometimes climb into full view. A common grasshopper warbler (Locustella naevia). The song is remarkable, going on and on like an angler's reel, in fact the song is ...

Even within the forest, the warblers like to breed in places where there’s a gap in the tree canopy, because it amplifies their song. There used to be more locations where the bird could breed ...