There are no end of relationship problems at Chester Zoo this week.

From familial clashes to romantic woes, the animals all have a lot to deal with as they try to work out who’s top dog.

There are tensions in the big cat enclosure as Sumatran tiger Kirana and her daughter Kasarna begin to clash over mealtimes, while dominant West African mandrill JC finds his position challenged by his sons, Ludo and Jareth.

Keepers look to the relationship between red pandas Jung and Nima to try to work out what is causing Jung to lose weight, and young Humboldt penguins Frazzle and Munch must avoid being picked on during the annual moult.