Daniel J. Field:
Common Chiffchaff (Phylloscopus collybita), Eilat, Israel
Daniel J. Field:
Common Chiffchaff (Phylloscopus collybita), Royal Victoria Park, Bath, Somerset, United Kingdom
Daniel J. Field:
Yellow-throated Woodland Warbler (Phylloscopus ruficapilla), Wilderness National Park, Western Cape, South Africa
Daniel J. Field:
Common Chiffchaff (Phylloscopus collybita), Cambridge, Cambridgeshire, United Kingdom
Daniel J. Field:
Common Chiffchaff (Phylloscopus collybita), Cambridge, Cambridgeshire, United Kingdom
Daniel J. Field:
Chestnut-crowned Warbler (Phylloscopus castaniceps), Bukit Fraser, Pahang, Malaysia
Daniel J. Field:
Wood Warbler (Phylloscopus sibilatrix), Athens, Greece
Daniel J. Field:
Willow Warbler (Phylloscopus trochilus), Smithy Fen, Cambridgeshire, United Kingdom
Daniel J. Field:
Willow Warbler (Phylloscopus trochilus), Hickling Broad, Norfolk, United Kingdom
Daniel J. Field:
Canary Islands Chiffchaff (Phylloscopus canariensis), Tenerife, Canary Islands
Daniel J. Field:
Willow Warbler (Phylloscopus trochilus), Hickling Broad, Norfolk, United Kingdom
Daniel J. Field:
Arctic Warbler (Phylloscopus borealis), Bangkok, Thailand
Daniel J. Field:
Western Bonelli's Warbler (Phylloscopus bonelli), Lleida, Spain
Daniel J. Field:
Mountain Leaf Warbler (Phylloscopus trivirgatus), Mount Kinabalu, Sabah, Malaysia
Daniel J. Field:
Arctic Warbler (Phylloscopus borealis), Danum Valley, Sabah, Malaysia
Daniel J. Field:
Arctic Warbler (Phylloscopus borealis), Danum Valley, Sabah, Malaysia
Daniel J. Field:
Wood Warbler (Phylloscopus sibilatrix), near Douira, Morocco
Daniel J. Field:
Western Bonelli's Warbler (Phylloscopus bonelli), Erg Chebbi, Morocco