Mums teach the youngsters what to eat, and how to build a sleeping nest. After leaving their mother's care, female orangutans sometimes return to visit their mothers well into their teenage years.
Relationships between adult children and parents can be tense
, but finding ways to support each other after your children have become adults has many benefits.
4. Male Clownfish take a leading role
are proactive parents, as shown in the Pixar film Finding Nemo. Unlike in the film, however, the fish are set free to find their own way in the world – there are no domineering parents telling them what to do 
‘For males, the best way to impress the female is to care for the eggs. She'll get rid of him if she’s not satisfied, so he takes time to keep the eggs clean and protected,’ says Ty Tooze (@Tytooze
), an aquarist at ZSL London Zoo.
A recent landmark study
has linked ultra-clean homes to lower immunity in children, so don’t be too fastidious when it comes to cleaning
5. Galapagos sea lions look out for each other's young
Once their babies reach one week old, Galapagos sea lions
club together to care for their young in nurseries. The group of females and their young are guarded by a single male who spends his time aggressively protecting his territory.
Males who aren’t attached to a group of females live in separate bachelor groups. Mother sea lions rely on each other to watch over the pups while they feed in the sea.
Teaming up with other parents can help mums and dads find extra childcare support. Apps like Sitster
help parents after a period of 2-4 weeks,’ explains David Alderton, a writer who specialises in books about the care of animals. ‘Their parents often form quite a strong pair bond through the breeding season, and a single brood can consist of up to 2,500 offspring.’
For new parents, sharing responsibility for childcare and household chores can improve a marriage