Possible Clues:

• Turns up, genetic makeup found in tree juice, for example, produced by bears
• Critters with black eye patches
• Animals in police cars
• Animals getting down to sleep, rolling over
• Reportedly caters to these zoo favourites
• San Diego Zoo attractions
• The god turns sorrowful, and there you have it in black and white
• The animals go back, dejected, to sleep
• They go back for a sorrowful sleep, and there you have it in black and white
• National Zoo creatures