Since the rainy weather was ending at the west side of the Lower Rio Grande Valley this afternoon, I drove out to Anzalduas County Park.  Since there had been a lot of rain the birds in the park were still in their cover so I scanned the trees on the other side of the Rio Grande River with my spotting scope.  I soon spotted this Zone-tailed Hawk perched in a tree along the shore.  It was pretty distant, about 600 feet across but I got good views in my spotting scope.  I saw it's bright yellow cere, black head and body.  When it turned to face in my direction I could see at least two white tail bands, one quite wide and one at end of tail. It is clearly an adult.  I expected the hawk as well as other birds of prey and vultures had soaked wings so I figured it would remain on the perch for awhile, especially since it continued to be cloudy and cool so it would take longer for the feathers to dry.  So I called one birder who had previously emailed me asking me to call if I saw the ...