A group of pugs is called a grumble.
10
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Penguins have a gland above their eye that turns saltwater into freshwater.
12
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10