Kangaroo the sniffing gains much information from smell cues. This behaviour enforces social cohesion without consequent aggression. During mutual sniffing, if one kangaroo is smaller, it will hold its body closer to the ground and its head will quiver, which serves as a possible form of submission. Greetings between males and females are common, with larger males being the most involved in meeting females. Most other non-antagonistic behaviour occurs between mothers and their young. Mother and young reinforce their bond though grooming. A mother will groom her young during or after it is suckling. A joey will nuzzle its mother's pouch
Phantom kangaroo animal was never found, and national news coverage drew widespread ridicule. In 1974 in Chicago, Illinois, two Chicago police officers were called to investigate a report that a kangaroo was standing in someone's porch. After a brief search, the officers located the animal in an alleyway, but were unable to capture it. Over the next month, numerous kangaroo sightings were reported in Illinois and the neighboring states of Indiana and Wisconsin, with timing suggesting more than one animal if reports were accurate. A kangaroo was seen the next day by a paperboy, the next week in , Illinois, and the