The book on the small table in the first minute has the title SEX STUFF on the spine.
Vitaphone production reel #1149A.
As the bird tries to get the dog and cat in trouble by making a mess and imitating their voices, a "blink-and-you'll-miss-it" portrait can be seen on the wall to the right of the green curtains. It appears to be a caricature of Mel Blanc.