Native to New Zealand’s South Island, these parrots have demonstrated a distinctive warbling sound when happy, especially during play.
During playful interactions, dolphins produce a unique series of pulses combined with a whistle expressing pleasure.
Chimpanzees express joy in the most recognisable ways: laughing during play, roughhousing, or tickling.
These massive animals with advanced emotional intelligence and playful natures often exhibit laughter when engaging in friendly jostling or playful tricks with one another.
Dogs exhibit joy through rhythmic panting with bursts of varying frequencies, often resembling laughter. They also wag their tails or display a "happy face" that closely resembles a human smile.