Dolphins have names for one another.
18
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11