The pronoun 'who' with animals?

[Tom]

Hi

Can we use "who" with animals? If yes, please give a few examples.

I will be grateful,

Tom

[Mister Micawber]

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My dog Fido, who is very unfriendly, bit the mailman. You can use 'who' when the animal possesses a personality (in the mind of the speaker).
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Native English teacher at Mister Micawber's

[Yankee]

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My cat, who used to enjoy sitting on keyboards, died last week.
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"Nearly all men can stand adversity, but if you want to test a man's character, give him power." ~ Abraham Lincoln

[Mister Micawber]

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My condolences, Amy.
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Native English teacher at Mister Micawber's