He's a member of the Laughing Hyena species.
5 seconds sound clip from the Popeye the Sailor - Popeye And Gang At The Zoo classic radio play.
You can hear this line at 00:03:30 in the radio play.
Quote context
[...]
- What if I were in the cage and the good public came to feed me hamburgers.
- Come on all hands, aft to the elephant cage so Matey can feed em the peanuts.
- Oh, wait a minute. Look at that funny animal.
- Well I am a blasted swab If that funny looking mutt in the cage ain't a laughing at us.
- He's a member of the Laughing Hyena species.
- You mean an animal that can really laugh?
- Now I asks ya, does that four legged hoop sounds like he was cryin'?
- Well for lands sake, what's he laughin' at?
- He has just seen Popeye's face.
- I says pooie to ya Wimpy. You ain't never won no beauty contest.
[...]