Jack Mercer's falsetto voice for the parrot was the same one he later used to voice Felix the Cat.
Popeye deals with a dachshund, an English sheepdog, and some cavalier King Charles spaniel puppies in this short. There's also a laughing dog that looks quite a bit like rival studio Disney's Pluto, who first appeared in 1930.
Popeye imitates an auctioneer then says "Sold to an American!" This is a reference to the radio advertisement for Lucky Strike cigarettes.