With half the world's population on lockdown, wild animals are roaming freely in cities and regions usually bustling with people.

The big picture: From South Africa to the South Australian city of Adelaide, take a look at some of the species thriving in areas under restrictions from the novel coronavirus.

Wild boars take advantage of a lack of people during the lockdown in Ajaccio, capital of Corsica, April 18. Photo: Pascal Pochard-Casabianca/AFP via Getty Images

A seabird on clearer waters in a Venice canal, March 17. Italy has reported more "fish, ducks and dolphins in the empty canals," the World Economic Forum notes. This is due to a "reduction in boat traffic," per Snopes which found the return of such wildlife to Italy's waterways "were not necessarily new phenomena" related to the lockdown. Photo: Andrea Pattaro/AFP via Getty Images

Mountain goats roam the streets of LLandudno in Wales, March 31. Photo: Christopher Furlong/Getty Images

Conservationists in Florida told CBS 12 that Leatherback sea turtles have been thriving during the lockdown measures. The state announced Friday that some parks and beaches were reopening for some activities. Photo: Mark Conlin/VW PICS/UIG via Getty Images

Buffalo walk on an empty New Delhi highway, April 8. Photo: Yawar Nazir/Getty Images

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Editor's note: This article has been updated with video of the kangaroo and more information on the wildlife in Venice.