The name of Yosemite Sam's pirate ship is "La Marie Douce" (The Sweet Mary).
Bugs ends the cartoon by breaking the fourth wall and nodding to Captain John Paul Jones' line, "I have not yet begun to fight!"
Sam, digging a hole in the sand to bury his treasure chest and singing "Dead Man's Chest", instead of the word "rum" breaks to the words "Ma's Old Fashioned Cider" to a conga beat. This is a parody of an advertising jingle for Dad's Old Fashioned Root Beer.
Mel Blanc famously voiced smart aleck birds both for Warner Brothers cartoons as well as in the TV series The Flintstones.