The term 'Mongoose Cousin' refers to two animals that are related to the mongoose, the MEERKAT and the HYENA. The MEERKAT is a small mammal native to parts of Africa and is known for its social behavior and burrowing habits. The HYENA is a large carnivorous mammal found in Africa and parts of Asia and is known for its scavenging and hunting habits. Both the MEERKAT and the HYENA are related to the mongoose, making them cousins of the mongoose.