Taking the average for length (120 cm). The width of a capybara is surprisingly absent from the internet, so I had to improvise by counting pixels:
Finding a clean top-down photo was also surprisingly difficult, but I chose this one because it's laying fairly straight, and there's a visible prominence of its hip bone and spine. I don't want to count fur-fluff in the width, so multiplying the hip to spine count by two gets us a hip-to-hip count of 56 pixels, which is 0.209% of its 268 pixel length. Multiplying wiki's length average by 0.209 gets us a width of: 25.08 cm, x 120 cm gives us an area of 3,009.6 cm² (3.24 sq ft), or to make our units the same, 0.030096 km²
8,515,767 km² (Brazil) / 0.030096 km² (capybara) = 282,953,448.96 capybaras per Brazil
x 3 = 848,860,346.88 capybaras per 1 antarctic ozone hole!
Observations from the European Space Agency's (ESA) Copernicus Sentinel-5P satellite indicate the ozone hole reached approximately 10 million square miles (26 million square kilometers) in area on Sept. 16, 2023 — making it one of the largest seasonal holes ever observed.
Ozone is a naturally occurring gas, and there's a layer of it in the stratosphere that protects us from the sun's ultraviolet, or UV, rays.
The ozone hole still grows and shrinks seasonally, however, due to temperature changes and wind conditions in the stratosphere, reaching a maximum between mid-September and mid-October.
One possible reason for the higher-than-normal growth is the Hunga Tonga volcanic eruption in January 2022, which introduced massive quantities of water vapor into the air.
“The water vapor could have led to the heightened formation of polar stratospheric clouds, where chlorofluorocarbons (CFCs) can react and accelerate ozone depletion," said Inness.
"Based on the Montreal Protocol and the decrease of anthropogenic ozone-depleting substances, scientists currently predict that the global ozone layer will reach its normal state again by around 2050," said Claus Zehner, ESA's mission manager for Copernicus Sentinel-5P.
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