Antarctic Glaciers facts

While investigating facts about Antarctic Glaciers Melting and Antarctic Glaciers Growing, I found out little known, but curios details like:

Nearly three per cent of Antarctic ice glaciers are made up of penguin pee

how old are antarctic glaciers?

Almost 3 percent of the ice in the Antarctic glaciers is penguin urine.

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across. Here are 2 of the best facts about Antarctic Glaciers Map and Antarctic Glaciers Penguin Urine I managed to collect.

what percentage of the antarctic continent is covered by glaciers?