Max Planck Institute for Ornithology
Male Gorillas 'Hum' and 'Sing' While Eating their Favorite Food
Male wild gorillas appear to "hum" or "sing" while eating their favorite food. Since these calls are too quiet to be a sort of "diner bell," researchers suggest they are used to coordinate group feeding activities. In other words, if the food is tasty, males signal to women and younger group members to join in on the good eats.
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