1. Other species which are locally rare are redstart, nightingale and wood warbler . 2. The IUCN first evaluated the status of the elfin woods warbler in 1988. 3. These woodland areas are the home of pied flycatchers, sparrow hawks and wood warblers . 4. It is known for being the last remaining locality of wood warbler in Surrey. 5. There, among the 38 species under " vireos-wood warblers " was " yellow-rumped warbler ." 6. They are typically greenish in colour and resemble wood warblers apart from their heavier bills. 7. They are typically greenish in color and resemble wood warblers , apart from their heavier bills. 8. They are typically greenish in colour and resemble wood warblers , apart from their heavier bills. 9. They are typically greenish in color and resemble wood warblers apart from their heavier bills. 10. They are typically greenish in color and resemble wood warbler , s apart from their heavier bills.