These goldfinches are showing the difference between female and male in their summer plumage. The male has almost moulted all of the dull colour in exchange for the bright yellows.
You can see them in winter plumage here.

what a lovely couple :) McMommy · 2012-04-13: 09:17

They are so pretty and sing such beautiful songs. Fantastic captures! ArtBee · 2012-04-13: 09:43

Incredible shots anggrekfoto · 2012-04-13: 10:20

# 3 is superb! Beautiful set! Nadir · 2012-04-13: 12:59

Beautiful shots Dave...really great clear focus ! MARETKA88 · 2012-04-13: 13:59

Wonderful captures! ????? · 2012-04-13: 19:46

Superb set! Goldbrandi · 2012-04-15: 17:18