1. The ‘jackass penguin’ is a flightless bird.  It is given this name ‘jackass’, for its call is similar to the ‘braying’ of a donkey or ass; found in South Africa.  2. The ‘laughing jackass’ is a flying bird related to the kingfishers.  It is given this name ‘laughing jackass’ because its call is similar to a loud and hilarious human laugh!  In the recent times it is  renamed ‘laughing kookaburra’, its native name; found in Australia.