They might also be confused with the black-breasted buzzard ( " Hamirostra melanosternon " ), but this species is much smaller, has white patches on the wings, and has a more undulating flight.
12.
As I made my way through the weeds, the goldfinches were always the first birds to flush; keeping just ahead of me they moved in undulating flight to the next patch of thistle, calling as they took off.
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