pigeon_organizer.rb

pigeons = []
pigeon_list = {}

pigeon_data.each {|props, vals| pigeon_data[props].
  each {|prop, bird_set| pigeons += bird_set}}
pigeons.uniq!

pigeons.each do |pigeon|
  pigeon_list[pigeon] = {:color => [], :gender => "", :lives => ""}

  pigeon_data[:color].each do |color, bird_set|
    pigeon_list[pigeon][:color] << color.to_s if bird_set.include?(pigeon)
  end

  pigeon_data[:gender].each do |gender, bird_set|
    pigeon_list[pigeon][:gender] = gender.to_s if bird_set.include?(pigeon)
  end

  pigeon_data[:lives].each do |lives, bird_set|
    pigeon_list[pigeon][:lives] = lives.to_s if bird_set.include?(pigeon)
  end
end