He produced a number of scientific works on the birdlife of the Alps , and was the first to describe the willow tit .
Conrad von Baldenstein was an ornithologist , entomologist and apiarist .
Conrad von Baldenstein produced a number of scientific works on the birdlife of the Alps , and was the first to describe the willow tit .
Conrad von Baldenstein was an ornithologist , entomologist and apiarist .