I would argue that it's the pigeon:

Girl's Behavior
Guy's Behavior
Flirting
Dating
Relationships
Fashion & Beauty
Health & Fitness
Marriage & Weddings
Shopping & Gifts
Technology & Internet
Break Up & Divorce
Education & Career
Entertainment & Arts
Family & Friends
Food & Beverage
Hobbies & Leisure
Other
Religion & Spirituality
Society & Politics
Sports
Travel
Trending & News I would argue that it's the pigeon:

I was going to say Canada Geese... but on 2nd thought they deserve to be hated. So I am going with Racoons. We should respect their adaptability.
Well not an animal but can I say Spiders? If not then I would choose Snakes.
Spiders are animals.
But yeah they keep insects out of your house.
Opinion
3Opinion
I agree.
Homo sapiens.
Sharks?
Vulture
A mouse.
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