Some viral videos of unlikely friends may lead to a new study about the nature of relationships.
Animal pairs you'd never expect like a bear frolicking with a tiger or a cat snuggling with a mouse are piquing the interest of scientists.
They say the unique alliances could help them understand how species communicate and what motivates animals to connect.
The research could even provide insight on the factors that go into normal relationships.
They believe other species share abilities once considered exclusive to humans like emotions and morality.