As a result, the species is classed as critically endangered by the International Union for the Conservation of Nature (IUCN).

Source: https://www.banburyguardian.co.uk/read-this/chester-zoo-critically-endangered-lemur-born-4459622

Extensive hunting and trapping for the illegal wildlife trade has driven the drastic decline in numbers and, as a result, the species is listed as endangered by the International Union for the Conservation of Nature (IUCN) and BirdLife International.

Source: https://www.leaderlive.co.uk/news/23988799.joy-extremely-rare-parrot-chicks-hatch-chester-zoo/?ref=rss

In 2000, the species was declared Extinct in the Wild by the IUCN Red List.

Source: https://pressat.co.uk/releases/extinct-in-the-wild-antelope-bought-back-from-brink-of-extinction-d602e6f48242f297b62eb84f4ce4ecac/

Kirk’s dik-dik can be found in Kenya, Tanzania and Namibia and are currently listed on the International Union for the Conservation of Nature (IUCN) Red List as Least Concern.

Source: https://www.andoveradvertiser.co.uk/news/23825048.tiny-dik-dik-calf-born-marwell-zoo-hampshire/?ref=rss

Knysna seahorses are endemic to the Garden route where they are only found in 3 estuaries, they are also the most threatened species of seahorse in the world and the first listed as Endangered on the IUCN Red List in 2004.

Source: https://www.africanews.it/english/south-africa-forestry-fisheries-and-the-environment-on-high-rainfall-and-flooding-resulting-in-abalone-and-seahorse-washouts/

Robbie Burger, a macroecologist at the University of Kentucky who was not involved in the study, said that although the IUCN has the most data on biodiversity, it doesn't account for all the ways humans encroach on other species.

Source: https://phys.org/news/2023-07-vertebrate-species-eaten-humans.html