Winter is coming.
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The leaves have changed colour and the nights have become colder.
As Canberrans get their coats out of storage, the animals at the National Zoo and Aquarium have begun to change theirs.
Getting winter-ready is just as important for them as it is for us, and the wide variety of species the zoo houses deal with it in different ways.
Some need assistance from the zookeepers through special heating devices like pads, lamps and panels, while others rely on their natural instincts and physicality.
While animals that come from cold, mountainous regions like the red panda and the snow leopard love this time of year, inactive animals like the wombat and the brown bear manage to do even less.
Winnie the bare-nosed wombat has adopted an adorable habit.
"Winnie will actually tuck herself in. People will come see her and she'll have wrapped herself up in blankets and people think the zookeepers have done it," said senior wildlife keeper Renee Osterloh.
Winnie builds herself a bigger, deeper burrow to snuggle in and as the fall retreats, so does she, as breeding season comes to an end.
Brown bear Darkle enjoys her heat slab and the extra bedding she has discovered in her den.
"We turn their heat slabs on, make the environment really warm and cosy for the winter period," Ms Osterloh said.
"So we'll provide the straw but she will actually build it into a bed. They do actually prepare their beds themselves. We do still want them to instinctively, just like out in the wild, these guys will create quite a big burrow and a den system for them to sleep in."
Resident sun bears Arataki and Otay, from a warm, tropical Asian climate, are among some of the zoo's other animals that need to prepare for the approaching chill.
"When Otay first arrived as a rescue bear, Arataki our male was head over heels for her," Ms Osterloh said.
"The two of them go foraging for food together and had a cub called Mary who is now at Taronga Zoo. Otay spends all her time building their shared den, then Arataki comes and messes it up."
To catch a glimpse of these animals, head to the National Zoo and Aquarium on Lady Denman Drive, next to the Scrivener Dam. Open 9.30am-5pm daily.