"Griffel bird" is slang--presumably US Navy slang--for the toucan (hence one sees the photographs or film clips of a toucan). However, the screeching sound heard from the toucan is actually that of the Kookaburra bird, which is much smaller than the toucan and does not resemble or sound like it at all.
Early in the show Binghamton refers to the 73 crew in pajamas and says, "When is the uniform of the day, Dr. Dentons?". He is referring to sleepwear that was popular in the early to the mid-1900s under the brand name "Dr. Denton".