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Colour changes in rats?

3896 Views 22 Replies 7 Participants Last post by  Wench
I got my very first rat not too long ago, just this Christmas past. Her name is Doris (as lots of you already know), and she is my favourite little pumpkin.

I spend a lot of time with Doris and have looked at her up close many times since I have known her. When I first got her, she was completely black. I have pictures of her all over this site from Christmas up to a few months ago, and she is as black as night.

But recently, her colours have changed drastically. She has gone from being pitch black to being hooded, within about a month. I noticed her gradually getting lighter, and now she is two completely different colours. Her upper half and a streak down her back are still blackish, but her bottom half, her underbelly, and everything else is a very light brown, similar to a light agouti.

Summer is coming now, and I'm assuming it's a seasonal thing. I've just never read anywhere that rats (at least Rattus norvegicus) change their colours seasonally.

Is it a common thing?
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wow that is a dramatic change in color... My ratty Alyssas color designs will change but not her color.. weird, can you post a before and after pic of her??

Wait is it her color changing or the design?? if you can post before and after pics.
hmmm wow... that is odd. when i got my male rat TempleTon he was pitch black also and than his fur started lightening up to a charcole grey/dark grey but i figure thats just from him growing but your ratty is going from black to what is that brown.. idk what to say about your ratty, but that is odd.
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