Lemon-rumped Warbler (Phylloscopus proregulus proregulus)
"Pallas's Leaf Warbler (Phylloscopus proregulus)"
Happy Island, China - May 19, 2008
Canon EOS 40D, Canon 500mm f/4.0 L USM + Extender EF 1.4x II
© Martin Lofgren

Lemon-rumped Warbler (Phylloscopus proregulus proregulus)
"Pallas's Leaf Warbler (Phylloscopus proregulus)"
Happy Island, China - May 11, 2008
Canon EOS 40D, Canon 500mm f/4.0 L USM + Extender EF 1.4x II
© Martin Lofgren

Lemon-rumped Warbler (Phylloscopus proregulus proregulus)
"Pallas's Leaf Warbler (Phylloscopus proregulus)"
Happy Island, China - May 11, 2008
Canon EOS 40D, Canon 500mm f/4.0 L USM + Extender EF 1.4x II
© Martin Lofgren

Lemon-rumped Warbler (Phylloscopus proregulus proregulus)
"Pallas's Leaf Warbler (Phylloscopus proregulus)"
Happy Island, China - May 11, 2008
Canon EOS 40D, Canon 500mm f/4.0 L USM + Extender EF 1.4x II
© Martin Lofgren