Watch CBSN Live
Beethoven, a 20-year-old Beluga whale at the Georgia Aquarium, poses next to a giant red heart for Valentine's Day, Feb. 3, 2014.
Credit: Addison Hill/Georgia Aquarium
Atlantic bottlenose dolphins accept heart-shaped Jell-O treats from their trainers, Feb. 3, 2014.
Qinu, a 5-year-old Beluga whale, accepts a heart-shaped treat from trainer Kelsey Ford, Feb. 3, 2014.