A group of gentoo penguins will move to an "enhanced" enclosure at Birmingham's National Sea Life Centre.
The mission aims to protect the base which is home to the world’s southernmost Post Office.
This is the second year of the UKAHT's three-year mission to protect the historic base on Goudier Island in Antarctica.
Climate change is blamed for dramatic decline of chinstrap penguins living on a remote volcanic island.
The "very important little penguin" is the first of its kind to hatch in the UK in more than a decade.
The flow cannon feature at Marwell Zoo was powered up at the weekend.
The move follows a chance conversation at the wildlife attraction and replaces imported fish.
Penguins are being kept cool with ice during the heatwave at Birdland in Bourton-on-the-Water.
The "precious egg" was laid at the wildlife attraction in Bourton-on-the-Water.
