It has been nine years since Elizabeth the penguin hatched.
These lovebirds are clearly enjoying the waterfront view.
Amigo the penguin was photographed by the Monterey Bay Aquarium with his wing around his mate, Elizabeth.
Elizabeth appeared to be staring longingly back at her mate.
The couple was celebrating Elizabeth’s ninth birthday, or "hatch day," since penguin chicks come from eggs.
Elizabeth arrived to the zoo two years ago and is paired with Amigo, although she continues to be very independent and enjoys spending time on her own, aquarium staff said.
Many penguin species are monogamous and mate for life.
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