In this time of the year it is very easy to find flocks of spanish sparrows arround the mature field of rice looking for a feast of grain. This image is from the past weekend in the nearby of Doñana while we were looking for cranes and geese. A very nice light with the sun very low on the sky and a dark background.
Nikon D2X AFS Nikkor 300VR+1,4XTC HSC mode (6,8 Mp) f6,3 1/1250s ISO320 manual exposure -0,33EV (additional underxposing in CS4 for a more dramatic light)
That is an impressive flock of birds, Juan. They remind me of Queleas in Africa. Lovely light and dark sky. I might be tempted to clean up some of teh more major cut-offs on the edges of the frame.