Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
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A group of pugs is called a grumble.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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Dolphins have names for one another.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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