Common chiffchaff of grasses, bracken, nettles or similar plants. Its breeding habitat is quite specific, and even near relatives do not share it; for example, the willow warbler ("P. trochilus") prefers younger trees, while the wood warbler ("P. sibilatrix") prefers less undergrowth. In winter, the common chiffchaff uses a wider range of habitats including scrub, and is not so dependent on trees. It is often found near water, unlike the willow warbler which tolerates drier habitats. There is an increasing tendency to winter in western Europe well north of the traditional areas, especially in coastal southern England and the mild urban microclimate
The Sibley Guide to Birds The Sibley Guide to Birds The Sibley Guide to Birds is a reference work and field guide for the birds found in the continental United States and Canada. It is written and illustrated by ornithologist David Allen Sibley. The book provides details on 810 species of birds, with information about identification, life history, vocalizations, and geographic distribution. It contains several paintings of each species, and is critically acclaimed for including images of each bird in flight. Two regional field guides using the same material as "The Sibley Guide to Birds" were released in 2003, one for the western half of