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Author Topic: Aggressive young chinchilla – any advice?  (Read 2269 times)

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shelverman

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Aggressive young chinchilla – any advice?
« on: May 31, 2017, 12:39:19 AM »

I have two 7-month-old chinchillas. I got them at the same time, when they were about 3 months old. Their names are Hemingway and Fitzgerald.

Hemingway came from a breeder. He is well socialized and friendly.

Fitzgerald came from PetSmart. (I know, I know. I would not have planned to buy a chin from PetSmart, but it was one of those "wormed his way into my heart" situations.) He was small, sweet, and incredibly docile. Unfortunately, he hasn't stayed that way. As he got older, his personality drastically changed. He went from calm and docile to hyper and afraid.

With my wife and me, he's okay. I would not describe him as "friendly," but he is tolerant of our affection. He's willing to be petted, but he nibbles constantly (and will try to hump us any chance he gets).

The real problem is with Hemingway. When they get anywhere near each other, Fitz tries to claw and bite him. I wasn't concerned by this at first, assuming they just needed time to acclimate. However, their cages have been side-by-side for 3 months, and the problem hasn't gotten better. When their cages are just 2 inches apart, they're fine... but if that crucial 2-inch gap closes, the claws come out. I don't understand it.

Anyway, I have three questions for you fine people:

{1} Is it likely that Fitzgerald's aggressiveness will fade with age, perhaps after he finishes going through his hump-everything puberty stage?

{2} Is there anything else I can try WITHOUT giving them an opportunity to hurt each other?

{3} Ruling out abuse and trauma, because I'm not aware of either one occurring... what causes a really docile chinchilla to become paranoid and aggressive?
« Last Edit: May 31, 2017, 06:51:15 PM by shelverman »
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Flint

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Re: Aggressive young chinchilla – any advice?
« Reply #1 on: May 31, 2017, 11:57:31 AM »

Age and hormones. He's simply becoming aware of his sexuality.
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GrayRodent

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Re: Aggressive young chinchilla – any advice?
« Reply #2 on: June 08, 2017, 03:01:26 PM »

Chinchillas do get hormonal. Also not all chins are compatible with each other. Also I have a chin that is very sexual compared to the other and I think he'll always be that way. If a chinchilla is biting the other they are not compatible.
However chinchillas do hump each other when they are together. It is normal behavior and they do this to establish a pecking order (dominance mounting) and it is normal for females and males. Biting is not normal and cannot be tolerated. I recommend you plan to have two cage setups or a split cage setup.
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shelverman

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Re: Aggressive young chinchilla – any advice?
« Reply #3 on: July 05, 2017, 12:16:10 AM »

Thank you both.

I just bought a two-tiered Ferret Nation cage and have resigned myself to separate living spaces indefinitely.

(Though, I may consider seeking another home for this chinchilla if his behavioral problems don't improve in the next year. It's not fair to my other chinchilla for him to live alone, or be restricted to half the available space, just because this chinchilla is so grumpy.)
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GrayRodent

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Re: Aggressive young chinchilla – any advice?
« Reply #4 on: July 06, 2017, 01:40:25 PM »

Sorry to hear that. I have two chins that I was hoping to combine but they are not compatible. There are advantages to keeping them separate. It helps you monitor their food and water intake more accurately.
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